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CVS commit: pkgsrc/pkgtools/R2pkg/files



Module Name:    pkgsrc
Committed By:   rillig
Date:           Fri Oct 25 19:00:16 UTC 2019

Modified Files:
        pkgsrc/pkgtools/R2pkg/files: R2pkg.R R2pkg_test.R

Log Message:
pkgtools/R2pkg: format source code


To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.27 pkgsrc/pkgtools/R2pkg/files/R2pkg.R
cvs rdiff -u -r1.21 -r1.22 pkgsrc/pkgtools/R2pkg/files/R2pkg_test.R

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: pkgsrc/pkgtools/R2pkg/files/R2pkg.R
diff -u pkgsrc/pkgtools/R2pkg/files/R2pkg.R:1.26 pkgsrc/pkgtools/R2pkg/files/R2pkg.R:1.27
--- pkgsrc/pkgtools/R2pkg/files/R2pkg.R:1.26    Sat Oct 19 22:10:58 2019
+++ pkgsrc/pkgtools/R2pkg/files/R2pkg.R Fri Oct 25 19:00:16 2019
@@ -1,4 +1,4 @@
-# $NetBSD: R2pkg.R,v 1.26 2019/10/19 22:10:58 rillig Exp $
+# $NetBSD: R2pkg.R,v 1.27 2019/10/25 19:00:16 rillig Exp $
 #
 # Copyright (c) 2014,2015,2016,2017,2018,2019
 #      Brook Milligan.  All rights reserved.
@@ -141,41 +141,37 @@ licenses[['POSTGRESQL']]                
 adjacent.duplicates <- function(lines)
   c(FALSE, lines[-length(lines)] == lines[-1])
 
-paste2 <- function(s1,s2)
-{
-  if (is.na(s1) && is.na(s2)) return ('')
-  if (is.na(s1) && !is.na(s2)) return (s2)
-  if (!is.na(s1) && is.na(s2)) return (s1)
-  if (!is.na(s1) && !is.na(s2)) return (paste(s1,s2))
+paste2 <- function(s1, s2) {
+  if (is.na(s1) && is.na(s2)) return('')
+  if (is.na(s1) && !is.na(s2)) return(s2)
+  if (!is.na(s1) && is.na(s2)) return(s1)
+  if (!is.na(s1) && !is.na(s2)) return(paste(s1, s2))
 }
 
 end.paragraph <- function(lines)
   if (length(lines) > 0) append(lines, '') else lines
 
-as.sorted.list <- function(df)
-{
+as.sorted.list <- function(df) {
   l <- list()
   df <- df[!duplicated(df),]
   if (nrow(df) > 0)
-    {
-      key <- as.vector(df[,1])
-      value <- as.vector(df[,2])
-      key <- order(key,value)
-      l <- as.list(value[key])
-    }
+  {
+    key <- as.vector(df[, 1])
+    value <- as.vector(df[, 2])
+    key <- order(key, value)
+    l <- as.list(value[key])
+  }
   l
 }
 
-mklines.get_value <- function(mklines, varname, default = '')
-{
+mklines.get_value <- function(mklines, varname, default = '') {
   values <- mklines$old_value[mklines$key == varname]
   if (length(values) == 0)
     values <- mklines$old_value[mklines$key == paste0('#', varname)]
   if (length(values) == 1) values[1] else default
 }
 
-categorize.key_value <- function(df,line='line')
-{
+categorize.key_value <- function(df, line='line') {
   re_varassign <- paste0(
     '^',
     ' *',
@@ -198,8 +194,7 @@ categorize.key_value <- function(df,line
   df
 }
 
-categorize.depends <- function(df, line='line')
-{
+categorize.depends <- function(df, line='line') {
   df$depends <- df$key_value & df$key == 'DEPENDS'
   df$category[df$depends] <- unlist(relpath_category(df[df$depends, line]))
   df
@@ -212,32 +207,29 @@ categorize.buildlink <- function(df, lin
   df
 }
 
-fix.continued.lines <- function(df,line='line')
-{
+fix.continued.lines <- function(df, line='line') {
   if (nrow(df) < 2)
     return(df)
 
   continued <- grepl('\\\\$', df[, line])
   continued_key_value <- df$key_value & continued
 
-  if (FALSE %in% df[continued,'key_value'])
+  if (FALSE %in% df[continued, 'key_value'])
     level.warning('unhandled continued line(s)')
 
-  for (i in 1 : (nrow(df) - 1))
-    {
-      if (!continued_key_value[i])
-        next
-
-      df[i, line] <- sub('[\t ]*\\\\$', '', df[i, line])
-      df$key_value[i + 1] <- TRUE
-      df$key[i + 1] <- df$key[i]
-      df[i + 1, line] <- paste0(df$key[i], '+=', df[i + 1, line])
-    }
+  for (i in 1:(nrow(df) - 1)) {
+    if (!continued_key_value[i])
+      next
+
+    df[i, line] <- sub('[\t ]*\\\\$', '', df[i, line])
+    df$key_value[i + 1] <- TRUE
+    df$key[i + 1] <- df$key[i]
+    df[i + 1, line] <- paste0(df$key[i], '+=', df[i + 1, line])
+  }
   df
 }
 
-read_mklines <- function(filename)
-{
+read_mklines <- function(filename) {
   df <- data.frame()
   for (line in as.list(readLines(filename)))
     df <- rbind(df, data.frame(line = line, stringsAsFactors = FALSE))
@@ -252,16 +244,14 @@ read_mklines <- function(filename)
   df
 }
 
-read.file.as.list <- function(filename)
-{
+read.file.as.list <- function(filename) {
   result <- list()
   info <- file.info(filename)
-  size <- info[filename,'size']
-  if (!is.na(size) && size > 0)
-    {
-       contents <- readLines(filename)
-       result <- as.list(contents)
-    }
+  size <- info[filename, 'size']
+  if (!is.na(size) && size > 0) {
+    contents <- readLines(filename)
+    result <- as.list(contents)
+  }
   result
 }
 
@@ -270,22 +260,19 @@ remove.punctuation <- function(s) gsub('
 remove.quotes <- function(s) gsub('[\'`"]', '', s)
 remove.articles <- function(s) gsub('\\b[Aa]n?\\b', '\\1', s)
 
-case.insensitive.equals <- function(s1,s2)
-{
+case.insensitive.equals <- function(s1, s2) {
   s1.lower <- tolower(simplify.whitespace(s1))
   s2.lower <- tolower(simplify.whitespace(s2))
   s1.lower == s2.lower
 }
 
-weakly.equals <- function(s1,s2)
-{
+weakly.equals <- function(s1, s2) {
   case.insensitive.equals(
     remove.articles(remove.quotes(remove.punctuation(s1))),
     remove.articles(remove.quotes(remove.punctuation(s2))))
 }
 
-license <- function(mklines, s)
-{
+license <- function(mklines, s) {
   license <- licenses[[s]]
   if (is.null(license))
     license <- s
@@ -298,68 +285,59 @@ license <- function(mklines, s)
 find.Rcpp <- function(imps, deps)
   any(grepl('Rcpp', paste(imps, deps)))
 
-buildlink3.mk <- function(imps,deps)
-{
+buildlink3.mk <- function(imps, deps) {
   BUILDLINK3.MK <- data.frame()
   buildlink3.mk.list <- read.file.as.list('BUILDLINK3.MK')
-  for (line in buildlink3.mk.list)
-    {
-      fields <- strsplit(line[[1]],'/',fixed=TRUE)
-      key <- fields[[1]][3]
-      value <- line
-      BUILDLINK3.MK <- rbind(BUILDLINK3.MK,data.frame(key=key,value=value))
-    }
-  if (find.Rcpp(imps,deps))
-    {
-      buildlink3.line <- '.include "../../devel/R-Rcpp/buildlink3.mk"'
-      key <- 'devel'
-      value <- buildlink3.line
-      BUILDLINK3.MK <- rbind(BUILDLINK3.MK,data.frame(key=key,value=value))
-    }
+  for (line in buildlink3.mk.list) {
+    fields <- strsplit(line[[1]], '/', fixed = TRUE)
+    key <- fields[[1]][3]
+    value <- line
+    BUILDLINK3.MK <- rbind(BUILDLINK3.MK, data.frame(key = key, value = value))
+  }
+  if (find.Rcpp(imps, deps)) {
+    buildlink3.line <- '.include "../../devel/R-Rcpp/buildlink3.mk"'
+    key <- 'devel'
+    value <- buildlink3.line
+    BUILDLINK3.MK <- rbind(BUILDLINK3.MK, data.frame(key = key, value = value))
+  }
   BUILDLINK3.MK
 }
 
-varassigns <- function(key, values)
-{
+varassigns <- function(key, values) {
   fields <- list()
-  for (l in values)
-    {
-      value <- unlist(l)
-      if (value != '')
-        fields <- append(fields, varassign(key, list(value)))
-      else
-        fields <- append(fields, list(''))
-    }
+  for (l in values) {
+    value <- unlist(l)
+    if (value != '')
+      fields <- append(fields, varassign(key, list(value)))
+    else
+      fields <- append(fields, list(''))
+  }
   fields
 }
 
 categories <- function() basename(dirname(getwd()))
 
-filter.imports <- function(s)
-{
-  for (pkg in base.packages)
-    {
-      re.pkg <- paste('^',pkg,sep='')
-      s <- s[!grepl(re.pkg,s)]
-    }
+filter.imports <- function(s) {
+  for (pkg in base.packages) {
+    re.pkg <- paste('^', pkg, sep = '')
+    s <- s[!grepl(re.pkg, s)]
+  }
   s
 }
 
-make.imports <- function(s1,s2)
-{
-  s <- paste2(s1,s2)
-  s <- gsub('([[:alnum:]]+)[[:blank:]]+(\\([^\\)]*\\))?[[:blank:]]*,?','\\1 \\2,',s)
-  imports <- na.omit(unlist(strsplit(s,',[[:blank:]]*')))
+make.imports <- function(s1, s2) {
+  s <- paste2(s1, s2)
+  s <- gsub('([[:alnum:]]+)[[:blank:]]+(\\([^\\)]*\\))?[[:blank:]]*,?', '\\1 \\2,', s)
+  imports <- na.omit(unlist(strsplit(s, ',[[:blank:]]*')))
   imports <- trim.space(imports)
   imports <- filter.imports(imports)
   imports
 }
 
-make.dependency <- function(s)
-{
-  s <- gsub('\\)','',s)
-  s <- gsub('-','.',s)
-  unlist(strsplit(s,'\\('))
+make.dependency <- function(s) {
+  s <- gsub('\\)', '', s)
+  s <- gsub('-', '.', s)
+  unlist(strsplit(s, '\\('))
 }
 
 depends <- function(dependency) dependency[1]
@@ -370,20 +348,17 @@ depends.pkg <- function(dependency)
 new.depends.pkg <- function(dependency)
   Sys.glob(paste0('../../wip/R-', depends(dependency)))
 
-depends.pkg.fullname <- function(dependency,index=1)
-{
-  result <- system(paste('cd',depends.pkg(dependency)[index],'&& bmake show-var VARNAME=PKGNAME'),intern=TRUE)
+depends.pkg.fullname <- function(dependency, index=1) {
+  result <- system(paste('cd', depends.pkg(dependency)[index], '&& bmake show-var VARNAME=PKGNAME'), intern = TRUE)
   result
 }
 
-depends.pkg.vers <- function(dependency,index=1)
-{
-  result <- sub('^(.*)-([^-]*)$','\\2',depends.pkg.fullname(dependency,index))
+depends.pkg.vers <- function(dependency, index=1) {
+  result <- sub('^(.*)-([^-]*)$', '\\2', depends.pkg.fullname(dependency, index))
   result
 }
 
-depends.vers <- function(dependency, index=1)
-{
+depends.vers <- function(dependency, index=1) {
   if (length(dependency) == 2)
     trim.space(dependency[2])
   else
@@ -393,23 +368,20 @@ depends.vers <- function(dependency, ind
 depends.vers.2 <- function(dependency)
   ifelse(length(dependency) == 2, trim.space(dependency[2]), '>=???')
 
-depends.dir <- function(dependency, index=1)
-{
+depends.dir <- function(dependency, index=1) {
   fields <- strsplit(depends.pkg(dependency)[index], '/', fixed = TRUE)
   fields[[1]][3]
 }
 
-depends.line <- function(dependency,index=1)
-{
+depends.line <- function(dependency, index=1) {
   paste0('DEPENDS+=\tR-', depends(dependency), depends.vers(dependency, index), ':', depends.pkg(dependency)[index])
 }
 
-depends.line.2 <- function(dependency)
-{
-  result <- paste0('DEPENDS+=\tR-',depends,depends.vers.2(dependency),':../../???/R-',depends)
-  result <- paste0(result,'\t# XXX - found')
+depends.line.2 <- function(dependency) {
+  result <- paste0('DEPENDS+=\tR-', depends, depends.vers.2(dependency), ':../../???/R-', depends)
+  result <- paste0(result, '\t# XXX - found')
   for (pkg in depends.pkg(dependency))
-    result <- paste(result,pkg)
+    result <- paste(result, pkg)
   result
 }
 
@@ -419,23 +391,20 @@ buildlink3.file <- function(dependency, 
 buildlink3.line <- function(dependency, index=1)
   sprintf('.include "%s"', buildlink3.file(dependency, index))
 
-dependency.dir <- function(dependency)
-{
-  result <- paste0('../../wip/R-',depends(dependency))
+dependency.dir <- function(dependency) {
+  result <- paste0('../../wip/R-', depends(dependency))
   result
 }
 
-message.wip.dependency <- function(dependency,index=1)
-{
-  dir <- depends.dir(dependency,index)
-  dir.in.wip <- grepl('wip',dir)
-  wd.in.wip <- grepl('/wip/',getwd())
+message.wip.dependency <- function(dependency, index=1) {
+  dir <- depends.dir(dependency, index)
+  dir.in.wip <- grepl('wip', dir)
+  wd.in.wip <- grepl('/wip/', getwd())
   if (dir.in.wip && !wd.in.wip)
-    level.warning('R-',arg.rpkg,' should not depend on a wip package: ',depends.pkg(dependency)[index])
+    level.warning('R-', arg.rpkg, ' should not depend on a wip package: ', depends.pkg(dependency)[index])
 }
 
-update.dependency <- function(dependency, index=1)
-{
+update.dependency <- function(dependency, index=1) {
   level.message('updating dependency for ', depends(dependency), ': ', depends.pkg(dependency)[index])
   command <- sprintf(
     'grep -E -q -e "%s" %s || (cd %s && %s %s %s)',
@@ -446,92 +415,76 @@ update.dependency <- function(dependency
     level.warning('error updating dependency for ', depends(dependency))
 }
 
-make.depends <- function(imps,deps)
-{
+make.depends <- function(imps, deps) {
   warn_too_many_dependencies <- function(dependency) {
     level.warning(sprintf('too many dependencies found for %s: %s',
-      depends(dependency), paste(depends.pkg(dependency))))
+                          depends(dependency), paste(depends.pkg(dependency))))
   }
 
-  imports <- make.imports(imps,deps)
-  # XXX  message('===> imports:')
-  # XXX print(imports)
+  imports <- make.imports(imps, deps)
+# XXX  message('===> imports:')
+# XXX print(imports)
   DEPENDS <- data.frame()
-  BUILDLINK3.MK <- buildlink3.mk(imps,deps)
-  if (length(imports) > 0)
-    {
-      for (i in 1:length(imports))
-        {
-          dependency <- make.dependency(imports[i])
-          depdirs <- depends.pkg(dependency)
-          # XXX message('[ ',${LEVEL},' ] ===> ',i,' / ',length(imports),': ',depends(dependency))
-          if (length(depdirs) == 0) # a dependency cannot be found
-            {
-              level.message('0 dependencies match ',dependency)
-              if (arg.recursive)
-                {
-                  dir.create(path=dependency.dir(dependency),recursive=TRUE)
-                  update.dependency(dependency)
-                }
-              else
-                level.warning('dependency needed for ',depends(dependency))
-            }
-          else if (length(depdirs) == 1) # a unique dependency found
-            {
-              level.message('1 dependency matches ',dependency,': ',depdirs)
-              message.wip.dependency(dependency)
-              if (arg.recursive && arg.update)
-                update.dependency(dependency)
-              if (file.exists(buildlink3.file(dependency)))
-                BUILDLINK3.MK <- rbind(BUILDLINK3.MK,data.frame(key=depends.dir(dependency),value=buildlink3.line(dependency)))
-              else
-                DEPENDS <- rbind(DEPENDS,data.frame(key=depends.dir(dependency),value=depends.line(dependency)))
-            }
-          else if (length(depdirs) == 2) # two dependencies found
-            {
-              index <- grep('/wip/',depdirs,invert=TRUE)
-              level.message('2 dependencies match ',dependency,':',paste(' ',depdirs))
-              # message('===> depends(dependency): ',depends(dependency))
-              # message('===> depends.pkg(dependency):',paste(' ',d))
-              # message('===> index: ',index)
-              # message('===> buildlink3.line(): ',buildlink3.line(dependency,index))
-              if (length(index) == 1) # a unique, non-wip, dependency found
-                {
-                  level.message('choosing unique non-wip dependency for ',dependency,': ',depdirs[index])
-                  if (arg.recursive && arg.update)
-                    update.dependency(dependency,index)
-                  if (file.exists(buildlink3.file(dependency,index)))
-                    BUILDLINK3.MK <- rbind(BUILDLINK3.MK,data.frame(key=depends.dir(dependency,index),value=buildlink3.line(dependency,index)))
-                  else
-                    DEPENDS <- rbind(DEPENDS,data.frame(key=depends.dir(dependency,index),value=depends.line(dependency,index)))
-                }
-              else
-                {
-                  level.message('no unique non-wip dependency matches')
-                  warn_too_many_dependencies(dependency)
-                  DEPENDS <- rbind(DEPENDS,data.frame(key='???',value=depends.line.2(dependency)))
-                }
-            }
-          else  # more than 2 dependencies found
-            {
-              level.message(length(depdirs),' dependencies match ',dependency,':',paste(' ',depdirs))
-              warn_too_many_dependencies(dependency)
-              DEPENDS <- rbind(DEPENDS,data.frame(key='???',value=depends.line.2(dependency)))
-            }
-          if (length(new.depends.pkg(dependency)) > 0)
-            system(paste('echo', depends(dependency), arg.rpkg, '>>', arg.dependency_list))
+  BUILDLINK3.MK <- buildlink3.mk(imps, deps)
+  if (length(imports) > 0) {
+    for (i in 1:length(imports)) {
+      dependency <- make.dependency(imports[i])
+      depdirs <- depends.pkg(dependency)
+      # XXX message('[ ',${LEVEL},' ] ===> ',i,' / ',length(imports),': ',depends(dependency))
+      if (length(depdirs) == 0) { # a dependency cannot be found
+        level.message('0 dependencies match ', dependency)
+        if (arg.recursive) {
+          dir.create(path = dependency.dir(dependency), recursive = TRUE)
+          update.dependency(dependency)
+        } else
+          level.warning('dependency needed for ', depends(dependency))
+      } else if (length(depdirs) == 1) { # a unique dependency found
+        level.message('1 dependency matches ', dependency, ': ', depdirs)
+        message.wip.dependency(dependency)
+        if (arg.recursive && arg.update)
+          update.dependency(dependency)
+        if (file.exists(buildlink3.file(dependency)))
+          BUILDLINK3.MK <- rbind(BUILDLINK3.MK, data.frame(key = depends.dir(dependency), value = buildlink3.line(dependency)))
+        else
+          DEPENDS <- rbind(DEPENDS, data.frame(key = depends.dir(dependency), value = depends.line(dependency)))
+      } else if (length(depdirs) == 2) { # two dependencies found
+        index <- grep('/wip/', depdirs, invert = TRUE)
+        level.message('2 dependencies match ', dependency, ':', paste(' ', depdirs))
+      # message('===> depends(dependency): ',depends(dependency))
+      # message('===> depends.pkg(dependency):',paste(' ',d))
+      # message('===> index: ',index)
+      # message('===> buildlink3.line(): ',buildlink3.line(dependency,index))
+        if (length(index) == 1) { # a unique, non-wip, dependency found
+          level.message('choosing unique non-wip dependency for ', dependency, ': ', depdirs[index])
+          if (arg.recursive && arg.update)
+            update.dependency(dependency, index)
+          if (file.exists(buildlink3.file(dependency, index)))
+            BUILDLINK3.MK <- rbind(BUILDLINK3.MK, data.frame(key = depends.dir(dependency, index), value = buildlink3.line(dependency, index)))
+          else
+            DEPENDS <- rbind(DEPENDS, data.frame(key = depends.dir(dependency, index), value = depends.line(dependency, index)))
+        } else {
+          level.message('no unique non-wip dependency matches')
+          warn_too_many_dependencies(dependency)
+          DEPENDS <- rbind(DEPENDS, data.frame(key = '???', value = depends.line.2(dependency)))
         }
+      } else { # more than 2 dependencies found
+        level.message(length(depdirs), ' dependencies match ', dependency, ':', paste(' ', depdirs))
+        warn_too_many_dependencies(dependency)
+        DEPENDS <- rbind(DEPENDS, data.frame(key = '???', value = depends.line.2(dependency)))
+      }
+      if (length(new.depends.pkg(dependency)) > 0)
+        system(paste('echo', depends(dependency), arg.rpkg, '>>', arg.dependency_list))
     }
+  }
   DEPENDS <- end.paragraph(as.sorted.list(DEPENDS))
   BUILDLINK3.MK <- as.sorted.list(BUILDLINK3.MK)
-  list(DEPENDS,BUILDLINK3.MK)
+  list(DEPENDS, BUILDLINK3.MK)
 }
 
 use_languages <- function(imps, deps)
   if (find.Rcpp(imps, deps)) 'c c++' else '# none'
 
-write.Makefile <- function(orig_mklines, metadata)
-{
+write.Makefile <- function(orig_mklines, metadata) {
   maintainer    <- mklines.get_value(orig_mklines, 'MAINTAINER', arg.maintainer_email)
   license       <- license(orig_mklines, metadata$License)
   use_languages <- use_languages(metadata$Imports, metadata$Depends)
@@ -559,24 +512,21 @@ write.Makefile <- function(orig_mklines,
   writeLines(lines, 'Makefile')
 }
 
-element <- function(mklines, varname, field, quiet=FALSE)
-{
+element <- function(mklines, varname, field, quiet=FALSE) {
   i <- match(varname, mklines$key, 0)
   if (i != 0 && mklines$key_value[i])
     return(mklines[i, field])
 
-  if (!quiet)
-    {
-      if (i == 0)
-        level.warning(varname, ' not found')
-      else
-        level.warning(varname, ' is not a key-value field')
-    }
+  if (!quiet) {
+    if (i == 0)
+      level.warning(varname, ' not found')
+    else
+      level.warning(varname, ' is not a key-value field')
+  }
   '???'
 }
 
-make.categories <- function(mklines)
-{
+make.categories <- function(mklines) {
   directory <- basename(dirname(getwd()))
   categories <- unlist(element(mklines, 'CATEGORIES', 'old_value'))
   categories <- unlist(strsplit(categories, '[[:blank:]]+'))
@@ -588,15 +538,13 @@ make.categories <- function(mklines)
   paste(categories, collapse = ' ')
 }
 
-make.maintainer <- function(mklines)
-{
+make.maintainer <- function(mklines) {
   old.maintainer <- element(mklines, 'MAINTAINER', 'old_value')
   new.maintainer <- element(mklines, 'MAINTAINER', 'new_value')
   if (old.maintainer == '') new.maintainer else old.maintainer
 }
 
-make.comment <- function(mklines)
-{
+make.comment <- function(mklines) {
   old.comment <- element(mklines, 'COMMENT', 'old_value')
   new.comment <- element(mklines, 'COMMENT', 'new_value')
   if (weakly.equals(old.comment, new.comment))
@@ -605,23 +553,21 @@ make.comment <- function(mklines)
     paste0(old.comment, '\t# [R2pkg] updated to: ', new.comment)
 }
 
-make.new_license <- function(df,license)
-{
+make.new_license <- function(df, license) {
   new_license <- licenses[[license]]
   if (is.null(new_license))
-      new_license <- license
+    new_license <- license
   df$new_value[df$key == 'LICENSE'] <- new_license
   df
 }
 
 license.in.pkgsrc <- function(license) license %in% sapply(licenses, '[', 1)
 
-make.license <- function(df)
-{
+make.license <- function(df) {
   # message('===> make.license():')
-  old_license <- element(df,'LICENSE','old_value')
-  old_todo <- element(df,'LICENSE','old_todo')
-  new_license <- element(df,'LICENSE','new_value')
+  old_license <- element(df, 'LICENSE', 'old_value')
+  old_todo <- element(df, 'LICENSE', 'old_todo')
+  new_license <- element(df, 'LICENSE', 'new_value')
 
   old_known <- license.in.pkgsrc(old_license)
   new_known <- license.in.pkgsrc(new_license)
@@ -641,17 +587,15 @@ make.license <- function(df)
   df
 }
 
-find.order <- function(df,key,field)
-{
-  x <- df[,key]
-  value <- match(TRUE,x)
+find.order <- function(df, key, field) {
+  x <- df[, key]
+  value <- match(TRUE, x)
   if (!is.na(value))
-    value <- df[value,field]
+    value <- df[value, field]
   value
 }
 
-mklines.update_with_metadata <- function(df, metadata)
-{
+mklines.update_with_metadata <- function(df, metadata) {
   df$new_value <- NA
 
   df <- make.new_license(df, metadata$License)
@@ -663,8 +607,7 @@ mklines.update_with_metadata <- function
   df
 }
 
-mklines.update_value <- function(df)
-{
+mklines.update_value <- function(df) {
   df$value <- NA
   df$todo <- ''
   df <- make.license(df)
@@ -675,8 +618,7 @@ mklines.update_value <- function(df)
   df
 }
 
-mklines.update_new_line <- function(df)
-{
+mklines.update_new_line <- function(df) {
   df$new_line <- df$line
 
   va <- df$key_value & !is.na(df$value)
@@ -686,8 +628,7 @@ mklines.update_new_line <- function(df)
   df
 }
 
-mklines.annotate_distname <- function(mklines)
-{
+mklines.annotate_distname <- function(mklines) {
   match <- grepl('^[[:blank:]]*DISTNAME', mklines$new_line)
   line <- mklines$new_line[match]
   value <- sub('^[[:blank:]]*DISTNAME[[:blank:]]*=[[:blank:]]*', '', line)
@@ -699,109 +640,97 @@ mklines.annotate_distname <- function(mk
   mklines
 }
 
-mklines.remove_lines_before_update <- function(mklines)
-{
+mklines.remove_lines_before_update <- function(mklines) {
   remove <- (
     grepl('^[[:blank:]]*MASTER_SITES', mklines$new_line) |
-    grepl('^[[:blank:]]*HOMEPAGE', mklines$new_line) |
-    grepl('^[[:blank:]]*BUILDLINK_ABI_DEPENDS', mklines$new_line) |
-    grepl('^[[:blank:]]*BUILDLINK_API_DEPENDS', mklines$new_line))
+      grepl('^[[:blank:]]*HOMEPAGE', mklines$new_line) |
+      grepl('^[[:blank:]]*BUILDLINK_ABI_DEPENDS', mklines$new_line) |
+      grepl('^[[:blank:]]*BUILDLINK_API_DEPENDS', mklines$new_line))
   mklines[!remove,]
 }
 
-mklines.reassign_order <- function(mklines)
-{
+mklines.reassign_order <- function(mklines) {
   r_pkgname.order <- element(mklines, 'R_PKGNAME', 'order')
   categories.order <- element(mklines, 'CATEGORIES', 'order')
-  if (r_pkgname.order > categories.order)
-    {
-      r_pkgname.index <- mklines$key == 'R_PKGNAME'
-      r_pkgname.index[is.na(r_pkgname.index)] <- FALSE
-      r_pkgver.index <- mklines$key == 'R_PKGVER'
-      r_pkgver.index[is.na(r_pkgver.index)] <- FALSE
-      mklines[r_pkgname.index, 'order'] <- categories.order - 0.2
-      mklines[r_pkgver.index, 'order'] <- categories.order - 0.1
-    }
+  if (r_pkgname.order > categories.order) {
+    r_pkgname.index <- mklines$key == 'R_PKGNAME'
+    r_pkgname.index[is.na(r_pkgname.index)] <- FALSE
+    r_pkgver.index <- mklines$key == 'R_PKGVER'
+    r_pkgver.index[is.na(r_pkgver.index)] <- FALSE
+    mklines[r_pkgname.index, 'order'] <- categories.order - 0.2
+    mklines[r_pkgver.index, 'order'] <- categories.order - 0.1
+  }
   mklines
 }
 
-conflicts <- function(pkg)
-{
+conflicts <- function(pkg) {
   conflict <- sprintf('R>=%s.%s', R.version$major, R.version$minor)
   conflicts <- list()
-  if (pkg %in% base.packages)
-    {
-      conflicts <- append(conflicts, varassign('CONFLICTS', conflict))
-      conflicts <- end.paragraph(conflicts)
-    }
+  if (pkg %in% base.packages) {
+    conflicts <- append(conflicts, varassign('CONFLICTS', conflict))
+    conflicts <- end.paragraph(conflicts)
+  }
   conflicts
 }
 
-make.df.conflicts <- function(df,metadata)
-{
+make.df.conflicts <- function(df, metadata) {
   df.conflicts <- data.frame()
-  conflicts.exist <- element(df,'CONFLICTS','old_value',quiet=TRUE) != '???'
-  if (!conflicts.exist)
-    {
-      c <- conflicts(metadata$Package)
-      order <- element(df, 'COMMENT', 'order') + 2.5
-      i <- 0
-      for (conflict in c)
-        {
-          i <- i + 1
-          category <- as.character(i)
-          depends <- FALSE
-          buildlink3.mk <- FALSE
-          x <- data.frame(new_line=conflict,order=order,category=category,depends=depends,buildlink3.mk=buildlink3.mk)
-          df.conflicts <- rbind(df.conflicts,x)
-        }
+  conflicts.exist <- element(df, 'CONFLICTS', 'old_value', quiet = TRUE) != '???'
+  if (!conflicts.exist) {
+    c <- conflicts(metadata$Package)
+    order <- element(df, 'COMMENT', 'order') + 2.5
+    i <- 0
+    for (conflict in c) {
+      i <- i + 1
+      category <- as.character(i)
+      depends <- FALSE
+      buildlink3.mk <- FALSE
+      x <- data.frame(new_line = conflict, order = order, category = category, depends = depends, buildlink3.mk = buildlink3.mk)
+      df.conflicts <- rbind(df.conflicts, x)
     }
+  }
   df.conflicts
 }
 
-make.df.depends <- function(df,DEPENDS)
-{
+make.df.depends <- function(df, DEPENDS) {
   # message('===> make.df.depends():')
   # str(df)
   # print(df)
   df.depends <- data.frame()
   if (TRUE %in% df$depends)
-    df.depends <- data.frame(new_line=df[df$depends,'line'],stringsAsFactors=FALSE)
+    df.depends <- data.frame(new_line = df[df$depends, 'line'], stringsAsFactors = FALSE)
   for (line in DEPENDS)
-    df.depends <- rbind(df.depends,data.frame(new_line=line,stringsAsFactors=FALSE))
-  if (nrow(df.depends) > 0)
-    {
-      df.depends$category <- NA
-      df.depends$buildlink3.mk <- FALSE
-      df.depends <- categorize.key_value(df.depends,'new_line')
-      df.depends <- categorize.depends(df.depends,'new_line')
-      df.depends$key_value <- NULL
-      df.depends$key <- NULL
-      df.depends <- df.depends[!duplicated(df.depends),]
-      df.depends$order <- find.order(df,'depends','order')
-    }
+    df.depends <- rbind(df.depends, data.frame(new_line = line, stringsAsFactors = FALSE))
+  if (nrow(df.depends) > 0) {
+    df.depends$category <- NA
+    df.depends$buildlink3.mk <- FALSE
+    df.depends <- categorize.key_value(df.depends, 'new_line')
+    df.depends <- categorize.depends(df.depends, 'new_line')
+    df.depends$key_value <- NULL
+    df.depends$key <- NULL
+    df.depends <- df.depends[!duplicated(df.depends),]
+    df.depends$order <- find.order(df, 'depends', 'order')
+  }
   # message('===> df.depends:')
   # str(df.depends)
   # print(df.depends)
   df.depends
 }
 
-make.df.buildlink3 <- function(df,BUILDLINK3.MK)
-{
+make.df.buildlink3 <- function(df, BUILDLINK3.MK) {
   # message('===> make.df.buildlink3():')
   df.buildlink3.mk <- data.frame()
   if (TRUE %in% df$buildlink3.mk)
-    df.buildlink3.mk <- data.frame(new_line=df[df$buildlink3.mk,'line'],stringsAsFactors=FALSE)
+    df.buildlink3.mk <- data.frame(new_line = df[df$buildlink3.mk, 'line'], stringsAsFactors = FALSE)
   for (line in BUILDLINK3.MK)
-    df.buildlink3.mk <- rbind(df.buildlink3.mk,data.frame(new_line=line,stringsAsFactors=FALSE))
-  if (nrow(df.buildlink3.mk) > 0)
-    {
-      df.buildlink3.mk$category <- NA
-      df.buildlink3.mk$depends <- FALSE
-      df.buildlink3.mk <- categorize.buildlink(df.buildlink3.mk,'new_line')
-      df.buildlink3.mk <- df.buildlink3.mk[!duplicated(df.buildlink3.mk),]
-      df.buildlink3.mk$order <- find.order(df,'buildlink3.mk','order')
-    }
+    df.buildlink3.mk <- rbind(df.buildlink3.mk, data.frame(new_line = line, stringsAsFactors = FALSE))
+  if (nrow(df.buildlink3.mk) > 0) {
+    df.buildlink3.mk$category <- NA
+    df.buildlink3.mk$depends <- FALSE
+    df.buildlink3.mk <- categorize.buildlink(df.buildlink3.mk, 'new_line')
+    df.buildlink3.mk <- df.buildlink3.mk[!duplicated(df.buildlink3.mk),]
+    df.buildlink3.mk$order <- find.order(df, 'buildlink3.mk', 'order')
+  }
   # str(df.buildlink3.mk)
   # print(df.buildlink3.mk)
   df.buildlink3.mk
@@ -809,18 +738,16 @@ make.df.buildlink3 <- function(df,BUILDL
 
 #' updates the dependencies and returns the lines to be written to the
 #' updated package Makefile.
-mklines.lines <- function(mklines, df.conflicts, df.depends, df.buildlink3.mk)
-{
+mklines.lines <- function(mklines, df.conflicts, df.depends, df.buildlink3.mk) {
   fields <- c('new_line', 'order', 'category', 'depends', 'buildlink3.mk')
-  lines <- mklines[! mklines$depends & ! mklines$buildlink3.mk, fields]
+  lines <- mklines[!mklines$depends & !mklines$buildlink3.mk, fields]
   lines <- rbind(lines, df.conflicts, df.depends, df.buildlink3.mk)
   lines <- lines[order(lines$order, lines$category, lines$new_line),]
-  lines <- lines[! adjacent.duplicates(lines$new_line),]
+  lines <- lines[!adjacent.duplicates(lines$new_line),]
   lines$new_line
 }
 
-update.Makefile <- function(mklines, metadata)
-{
+update.Makefile <- function(mklines, metadata) {
   DEPENDENCIES  <- make.depends(metadata$Imports, metadata$Depends)
   DEPENDS       <- DEPENDENCIES[[1]]
   BUILDLINK3.MK <- DEPENDENCIES[[2]]
@@ -840,8 +767,7 @@ update.Makefile <- function(mklines, met
   write(lines, 'Makefile')
 }
 
-create.Makefile <- function(metadata)
-{
+create.Makefile <- function(metadata) {
   if (arg.update && file.exists('Makefile.orig'))
     update.Makefile(read_mklines('Makefile.orig'), metadata)
   else
@@ -853,25 +779,22 @@ create.DESCR <- function(metadata) {
   write(descr, 'DESCR')
 }
 
-make.metadata <- function(description.filename)
-{
+make.metadata <- function(description.filename) {
   fields <- c('Package', 'Version', 'Title', 'Description', 'License', 'Imports', 'Depends')
   metadata <- as.list(read.dcf(description.filename, fields))
   names(metadata) <- fields
   metadata
 }
 
-main <- function()
-{
+main <- function() {
   Sys.setlocale('LC_ALL', 'C')
 
-  error <- download.file(url=arg.rpkg_description_url,destfile='DESCRIPTION',quiet=arg.quiet_curl,method='curl')
-  if (error)
-    {
-      message('ERROR: Downloading the DESCRIPTION file for ',arg.rpkg,' failed;')
-      message('       perhaps the package no longer exists?')
-      quit(save='no',status=error)
-    }
+  error <- download.file(url = arg.rpkg_description_url, destfile = 'DESCRIPTION', quiet = arg.quiet_curl, method = 'curl')
+  if (error) {
+    message('ERROR: Downloading the DESCRIPTION file for ', arg.rpkg, ' failed;')
+    message('       perhaps the package no longer exists?')
+    quit(save = 'no', status = error)
+  }
 
   metadata <- make.metadata('DESCRIPTION')
   create.Makefile(metadata)

Index: pkgsrc/pkgtools/R2pkg/files/R2pkg_test.R
diff -u pkgsrc/pkgtools/R2pkg/files/R2pkg_test.R:1.21 pkgsrc/pkgtools/R2pkg/files/R2pkg_test.R:1.22
--- pkgsrc/pkgtools/R2pkg/files/R2pkg_test.R:1.21       Sat Oct 19 22:10:58 2019
+++ pkgsrc/pkgtools/R2pkg/files/R2pkg_test.R    Fri Oct 25 19:00:16 2019
@@ -1,4 +1,4 @@
-# $NetBSD: R2pkg_test.R,v 1.21 2019/10/19 22:10:58 rillig Exp $
+# $NetBSD: R2pkg_test.R,v 1.22 2019/10/25 19:00:16 rillig Exp $
 #
 # Copyright (c) 2019
 #      Roland Illig.  All rights reserved.
@@ -41,340 +41,340 @@ package_dir <- file.path(Sys.getenv('PKG
 
 #' don't use tabs in the output; see https://stackoverflow.com/q/58465177
 expect_printed <- function(obj, ...) {
-    out <- ''
-    with_output_sink(textConnection('out', 'w', local = TRUE), {
-        print(obj, right = FALSE)
-    })
-    exp <- c(...)
-    if (! identical(out, exp)) {
-        write(out, file.path(original_wd, 'R2pkg_test.out.txt'))
-        write(exp, file.path(original_wd, 'R2pkg_test.exp.txt'))
-    }
-    expect_equal(length(out), length(exp))
-    expect_equal(!!out, !!exp)
+  out <- ''
+  with_output_sink(textConnection('out', 'w', local = TRUE), {
+    print(obj, right = FALSE)
+  })
+  exp <- c(...)
+  if (!identical(out, exp)) {
+    write(out, file.path(original_wd, 'R2pkg_test.out.txt'))
+    write(exp, file.path(original_wd, 'R2pkg_test.exp.txt'))
+  }
+  expect_equal(length(out), length(exp))
+  expect_equal(!!out, !!exp)
 }
 
 linesConnection <- function(...)
-    textConnection(paste0(c(...), collapse = '\n'))
+  textConnection(paste0(c(...), collapse = '\n'))
 
 make_mklines <- function(...)
-    read_mklines(linesConnection(...))
+  read_mklines(linesConnection(...))
 
 mocked_system <- function() {
-    commands <- list()
-    mock <- function(cmd) {
-        commands <<- append(commands, cmd)
-        0
-    }
-    get_commands <- function()
-        unlist(commands)
-    expect_commands <- function(...)
-        expect_equal(!!get_commands(), !!c(...))
-    list(
-        mock = mock,
-        commands = get_commands,
-        expect_commands = expect_commands)
+  commands <- list()
+  mock <- function(cmd) {
+    commands <<- append(commands, cmd)
+    0
+  }
+  get_commands <- function()
+    unlist(commands)
+  expect_commands <- function(...)
+    expect_equal(!!get_commands(), !!c(...))
+  list(
+    mock = mock,
+    commands = get_commands,
+    expect_commands = expect_commands)
 }
 
 mocked_message <- function() {
-    messages <- list()
-    mock <- function(...)
-        messages <<- append(messages, paste0(...))
-    get_messages <- function()
-        unlist(messages)
-    expect_messages <- function(...)
-        expect_equal(!!get_messages(), !!c(...))
-    list(
-        mock = mock,
-        messages = get_messages,
-        expect_messages = expect_messages)
+  messages <- list()
+  mock <- function(...)
+    messages <<- append(messages, paste0(...))
+  get_messages <- function()
+    unlist(messages)
+  expect_messages <- function(...)
+    expect_equal(!!get_messages(), !!c(...))
+  list(
+    mock = mock,
+    messages = get_messages,
+    expect_messages = expect_messages)
 }
 
 test_that('linesConnection', {
-    lines <- readLines(linesConnection('1', '2', '3'))
+  lines <- readLines(linesConnection('1', '2', '3'))
 
-    expect_equal(lines, c('1', '2', '3'))
+  expect_equal(lines, c('1', '2', '3'))
 })
 
 test_that('level.message', {
-    message <- mocked_message()
-    local_mock(message = message$mock)
-    arg.level <<- 123  # XXX: should use with_environment instead
+  message <- mocked_message()
+  local_mock(message = message$mock)
+  arg.level <<- 123  # XXX: should use with_environment instead
 
-    level.message('mess', 'age', ' text')
+  level.message('mess', 'age', ' text')
 
-    message$expect_messages(
-        '[ 123 ] message text')
+  message$expect_messages(
+    '[ 123 ] message text')
 })
 
 test_that('level.warning', {
-    message <- mocked_message()
-    local_mock(message = message$mock)
-    arg.level <<- 321  # XXX: should use with_environment instead
+  message <- mocked_message()
+  local_mock(message = message$mock)
+  arg.level <<- 321  # XXX: should use with_environment instead
 
-    level.warning('mess', 'age', ' text')
+  level.warning('mess', 'age', ' text')
 
-    message$expect_messages(
-        '[ 321 ] WARNING: message text')
+  message$expect_messages(
+    '[ 321 ] WARNING: message text')
 })
 
 test_that('trim.space', {
-    expect_equal(trim.space(' hello, \t\nworld '), 'hello,world')
+  expect_equal(trim.space(' hello, \t\nworld '), 'hello,world')
 })
 
 test_that('one.line', {
-    expect_equal(
-        one.line(' \t\nhello, \t\nworld \t\n'),
-        ' \t hello, \t world \t ')
+  expect_equal(
+    one.line(' \t\nhello, \t\nworld \t\n'),
+    ' \t hello, \t world \t ')
 })
 
 test_that('pkg.vers', {
-    expect_equal(pkg.vers('1_0-2.3'), '1.0-2.3')
+  expect_equal(pkg.vers('1_0-2.3'), '1.0-2.3')
 })
 
 test_that('varassign', {
-    expect_equal(varassign('VAR', 'value'), 'VAR=\tvalue')
+  expect_equal(varassign('VAR', 'value'), 'VAR=\tvalue')
 })
 
 test_that('relpath_category', {
-    expect_equal(relpath_category('../../other/pkgbase'), 'other')
-    expect_equal(relpath_category('../../wip/pkgbase/Makefile'), 'wip')
+  expect_equal(relpath_category('../../other/pkgbase'), 'other')
+  expect_equal(relpath_category('../../wip/pkgbase/Makefile'), 'wip')
 
-    expect_equal(
-        relpath_category(c(
-            '../../wip/pkgbase/Makefile',
-            '../../other/pkgbase')),
-        c(
-            'wip',
-            'other'))
+  expect_equal(
+    relpath_category(c(
+      '../../wip/pkgbase/Makefile',
+      '../../other/pkgbase')),
+    c(
+      'wip',
+      'other'))
 
-    # undefined behavior
-    expect_equal(relpath_category('..'), NA_character_)
+# undefined behavior
+  expect_equal(relpath_category('..'), NA_character_)
 })
 
 test_that('adjacent.duplicates', {
-    expect_equal(
-        adjacent.duplicates(c(1, 2, 2, 2, 3, 3, 4)),
-        c(FALSE, FALSE, TRUE, TRUE, FALSE, TRUE, FALSE))
+  expect_equal(
+    adjacent.duplicates(c(1, 2, 2, 2, 3, 3, 4)),
+    c(FALSE, FALSE, TRUE, TRUE, FALSE, TRUE, FALSE))
 })
 
 test_that('paste2', {
-    expect_equal(paste2(NA, NA), '')
-    expect_equal(paste2('', NA), '')
-    expect_equal(paste2(NA, ''), '')
-    expect_equal(paste2('', ''), ' ')
-    expect_equal(paste2('one', 'two'), 'one two')
+  expect_equal(paste2(NA, NA), '')
+  expect_equal(paste2('', NA), '')
+  expect_equal(paste2(NA, ''), '')
+  expect_equal(paste2('', ''), ' ')
+  expect_equal(paste2('one', 'two'), 'one two')
 })
 
 test_that('end.paragraph', {
-    expect_equal(end.paragraph(list()), list())
-    expect_equal(end.paragraph(list('line')), list('line', ''))
+  expect_equal(end.paragraph(list()), list())
+  expect_equal(end.paragraph(list('line')), list('line', ''))
 })
 
 test_that('as.sorted.list', {
-    expect_equal(as.sorted.list(data.frame()), list())
+  expect_equal(as.sorted.list(data.frame()), list())
 
-    expect_equal(
+  expect_equal(
     as.sorted.list(data.frame(
-    varnames = c('A', 'B', 'B', 'B', 'A'),
-    values = c('1', '3', '2', '1', '1'))),
+      varnames = c('A', 'B', 'B', 'B', 'A'),
+      values = c('1', '3', '2', '1', '1'))),
     list('1', '1', '2', '3'))
 })
 
 test_that('categorize.key_value', {
-    mklines <- make_mklines(
-        '\tPATH=/bin echo',
-        'DEPENDS+= R-ellipsis>=0:../../math/R-ellipsis',
-        '.include "../../math/R-ellipsis/buildlink3.mk"')
-
-    expect_printed(
-        data.frame(
-            key_value = mklines$key_value,
-            key = mklines$key,
-            old_value = mklines$old_value),
-        '  key_value key     old_value                          ',
-        '1 FALSE     <NA>    <NA>                               ',
-        '2  TRUE     DEPENDS R-ellipsis>=0:../../math/R-ellipsis',
-        '3 FALSE     <NA>    <NA>                               ')
+  mklines <- make_mklines(
+    '\tPATH=/bin echo',
+    'DEPENDS+= R-ellipsis>=0:../../math/R-ellipsis',
+    '.include "../../math/R-ellipsis/buildlink3.mk"')
+
+  expect_printed(
+    data.frame(
+      key_value = mklines$key_value,
+      key = mklines$key,
+      old_value = mklines$old_value),
+    '  key_value key     old_value                          ',
+    '1 FALSE     <NA>    <NA>                               ',
+    '2  TRUE     DEPENDS R-ellipsis>=0:../../math/R-ellipsis',
+    '3 FALSE     <NA>    <NA>                               ')
 })
 
 test_that('categorize.depends', {
-    mklines <- make_mklines(
-        'DEPENDS+=\tR-ellipsis>=0:../../math/R-ellipsis',
-        '.include "../../math/R-ellipsis/buildlink3.mk"')
+  mklines <- make_mklines(
+    'DEPENDS+=\tR-ellipsis>=0:../../math/R-ellipsis',
+    '.include "../../math/R-ellipsis/buildlink3.mk"')
 
-    expect_equal(mklines$depends, c(TRUE, FALSE))
+  expect_equal(mklines$depends, c(TRUE, FALSE))
 })
 
 test_that('categorize.buildlink', {
-    mklines <- make_mklines(
-        'DEPENDS+=\tR-ellipsis>=0:../../math/R-ellipsis',
-        '.include "../../math/R-ellipsis/buildlink3.mk"')
+  mklines <- make_mklines(
+    'DEPENDS+=\tR-ellipsis>=0:../../math/R-ellipsis',
+    '.include "../../math/R-ellipsis/buildlink3.mk"')
 
-    expect_equal(mklines$buildlink3.mk, c(FALSE, TRUE))
+  expect_equal(mklines$buildlink3.mk, c(FALSE, TRUE))
 })
 
 test_that('fix.continued.lines', {
-    message <- mocked_message()
-    local_mock(message = message$mock)
+  message <- mocked_message()
+  local_mock(message = message$mock)
 
-    mklines <- make_mklines(
-        '# comment \\',
-        'continued=comment',
-        'VAR1= \\',
-        '\tvalue',
-        'VAR2=\tvalue')
-
-    expect_equal(mklines$key_value, c(FALSE, TRUE, TRUE, TRUE, TRUE))
-    expect_equal(mklines$line, c(
-        '# comment \\',
-        'continued=comment',  # FIXME: continuation from line 1
-        'VAR1=',
-        'VAR1+=\tvalue',  # FIXME: extra space at the beginning
-        'VAR2=\tvalue'))
-    message$expect_messages(
-        '[ 321 ] WARNING: unhandled continued line(s)')
+  mklines <- make_mklines(
+    '# comment \\',
+    'continued=comment',
+    'VAR1= \\',
+    '\tvalue',
+    'VAR2=\tvalue')
+
+  expect_equal(mklines$key_value, c(FALSE, TRUE, TRUE, TRUE, TRUE))
+  expect_equal(mklines$line, c(
+    '# comment \\',
+    'continued=comment', # FIXME: continuation from line 1
+    'VAR1=',
+    'VAR1+=\tvalue', # FIXME: extra space at the beginning
+    'VAR2=\tvalue'))
+  message$expect_messages(
+    '[ 321 ] WARNING: unhandled continued line(s)')
 })
 
 test_that('fix.continued.lines, single continued line at EOF', {
-    mklines <- make_mklines(
-        'VAR= \\')
+  mklines <- make_mklines(
+    'VAR= \\')
 
-    expect_equal(mklines$line, 'VAR= \\')
+  expect_equal(mklines$line, 'VAR= \\')
 })
 
 test_that('fix.continued.lines, no continued lines', {
-    mklines <- make_mklines(
-        'VAR= value',
-        'VAR= value',
-        'VAR= value')
+  mklines <- make_mklines(
+    'VAR= value',
+    'VAR= value',
+    'VAR= value')
 
-    expect_equal(mklines$line, rep('VAR= value',3))
+  expect_equal(mklines$line, rep('VAR= value', 3))
 })
 
 test_that('read_mklines', {
-    mklines <- make_mklines(
-        '# comment',
-        'VAR= value',
-        '',
-        '.include "other.mk"',
-        '.if 0',
-        '.endif')
-
-    expect_printed(mklines,
-        '  line                order key_value old_todo key  operator delimiter',
-        '1 # comment           1     FALSE     <NA>     <NA> <NA>     <NA>     ',
-        '2 VAR= value          2      TRUE              VAR  =                 ',
-        '3                     3     FALSE     <NA>     <NA> <NA>     <NA>     ',
-        '4 .include "other.mk" 4     FALSE     <NA>     <NA> <NA>     <NA>     ',
-        '5 .if 0               5     FALSE     <NA>     <NA> <NA>     <NA>     ',
-        '6 .endif              6     FALSE     <NA>     <NA> <NA>     <NA>     ',
-        '  old_value category depends buildlink3.mk',
-        '1 <NA>      NA       FALSE   FALSE        ',
-        '2 value     NA       FALSE   FALSE        ',
-        '3 <NA>      NA       FALSE   FALSE        ',
-        '4 <NA>      NA       FALSE   FALSE        ',
-        '5 <NA>      NA       FALSE   FALSE        ',
-        '6 <NA>      NA       FALSE   FALSE        ')
+  mklines <- make_mklines(
+    '# comment',
+    'VAR= value',
+    '',
+    '.include "other.mk"',
+    '.if 0',
+    '.endif')
+
+  expect_printed(mklines,
+                 '  line                order key_value old_todo key  operator delimiter',
+                 '1 # comment           1     FALSE     <NA>     <NA> <NA>     <NA>     ',
+                 '2 VAR= value          2      TRUE              VAR  =                 ',
+                 '3                     3     FALSE     <NA>     <NA> <NA>     <NA>     ',
+                 '4 .include "other.mk" 4     FALSE     <NA>     <NA> <NA>     <NA>     ',
+                 '5 .if 0               5     FALSE     <NA>     <NA> <NA>     <NA>     ',
+                 '6 .endif              6     FALSE     <NA>     <NA> <NA>     <NA>     ',
+                 '  old_value category depends buildlink3.mk',
+                 '1 <NA>      NA       FALSE   FALSE        ',
+                 '2 value     NA       FALSE   FALSE        ',
+                 '3 <NA>      NA       FALSE   FALSE        ',
+                 '4 <NA>      NA       FALSE   FALSE        ',
+                 '5 <NA>      NA       FALSE   FALSE        ',
+                 '6 <NA>      NA       FALSE   FALSE        ')
 })
 
 test_that('read.file.as.list can read an empty file', {
-    filename <- ''
-    local_tempfile('filename')
-    file.create(filename)
+  filename <- ''
+  local_tempfile('filename')
+  file.create(filename)
 
-    lines <- read.file.as.list(filename)
+  lines <- read.file.as.list(filename)
 
-    expect_equal(lines, list())
+  expect_equal(lines, list())
 })
 
 test_that('read.file.as.list can read lines from a file', {
-    filename <- ''
-    local_tempfile('filename')
-    writeLines(c('first', 'second \\', 'third'), filename)
+  filename <- ''
+  local_tempfile('filename')
+  writeLines(c('first', 'second \\', 'third'), filename)
 
-    lines <- read.file.as.list(filename)
+  lines <- read.file.as.list(filename)
 
-    expect_equal(lines, list('first', 'second \\', 'third'))
+  expect_equal(lines, list('first', 'second \\', 'third'))
 })
 
 test_that('mklines.get_value, exactly 1 variable assignment, no space', {
-    mklines <- make_mklines(
-        'VAR=value')
+  mklines <- make_mklines(
+    'VAR=value')
 
-    str <- mklines.get_value(mklines, 'VAR')
+  str <- mklines.get_value(mklines, 'VAR')
 
-    expect_equal(str, 'value')
+  expect_equal(str, 'value')
 })
 
 test_that('read.file.as.value, exactly 1 variable assignment', {
-    mklines <- make_mklines(
-        'VAR=\tvalue')
+  mklines <- make_mklines(
+    'VAR=\tvalue')
 
-    str <- mklines.get_value(mklines, 'VAR')
+  str <- mklines.get_value(mklines, 'VAR')
 
-    expect_equal(str, 'value')
+  expect_equal(str, 'value')
 })
 
 test_that('read.file.as.value, commented variable assignment', {
-    mklines <- make_mklines(
-        '#VAR=\tvalue')
+  mklines <- make_mklines(
+    '#VAR=\tvalue')
 
-    str <- mklines.get_value(mklines, 'VAR')
+  str <- mklines.get_value(mklines, 'VAR')
 
-    # TODO: Check whether commented variables should really be considered.
-    expect_equal(str, 'value')
+# TODO: Check whether commented variables should really be considered.
+  expect_equal(str, 'value')
 })
 
 test_that('read.file.as.value, multiple variable assignments', {
-    mklines <- make_mklines(
-        'VAR=\tvalue',
-        'VAR=\tvalue2')
+  mklines <- make_mklines(
+    'VAR=\tvalue',
+    'VAR=\tvalue2')
 
-    str <- mklines.get_value(mklines, 'VAR')
+  str <- mklines.get_value(mklines, 'VAR')
 
-    expect_equal(str, '')
+  expect_equal(str, '')
 })
 
 # test_that('read.file.as.values', {
 # })
 
 test_that('simplify.whitespace', {
-    expect_equal(simplify.whitespace('\t \nword \t\n\f'), ' \nword \n\f')
+  expect_equal(simplify.whitespace('\t \nword \t\n\f'), ' \nword \n\f')
 })
 
 test_that('remove.punctuation', {
-    expect_equal(remove.punctuation('+,-./'), '+./')
+  expect_equal(remove.punctuation('+,-./'), '+./')
 })
 
 test_that('remove.quotes', {
-    expect_equal(remove.quotes('"\'hello`,,'), 'hello,,')
+  expect_equal(remove.quotes('"\'hello`,,'), 'hello,,')
 })
 
 test_that('remove.articles', {
-    expect_equal(remove.articles('Get a life'), 'Get  life')
-    expect_equal(remove.articles('An apple a day'), ' apple  day')  # TODO: uppercase the first letter
-    expect_equal(remove.articles('Annnnnnnnnn apple'), 'Annnnnnnnnn apple')
-    expect_equal(remove.articles('Grade A'), 'Grade ')
-    expect_equal(remove.articles('Grade A is best'), 'Grade  is best')
+  expect_equal(remove.articles('Get a life'), 'Get  life')
+  expect_equal(remove.articles('An apple a day'), ' apple  day')  # TODO: uppercase the first letter
+  expect_equal(remove.articles('Annnnnnnnnn apple'), 'Annnnnnnnnn apple')
+  expect_equal(remove.articles('Grade A'), 'Grade ')
+  expect_equal(remove.articles('Grade A is best'), 'Grade  is best')
 })
 
 test_that('case.insensitive.equals', {
-    expect_equal(case.insensitive.equals('HELLO', 'hello'), TRUE)
-    expect_equal(case.insensitive.equals('HELLO', 'hellx'), FALSE)
-    expect_equal(case.insensitive.equals('  "HELLO"', 'hello'), FALSE)
-    expect_equal(case.insensitive.equals('  "HELLO"', '  hello'), FALSE)
-    expect_equal(case.insensitive.equals('  HELLO', 'hello'), FALSE)
-    expect_equal(case.insensitive.equals('  HELLO', ' hello'), TRUE)
+  expect_equal(case.insensitive.equals('HELLO', 'hello'), TRUE)
+  expect_equal(case.insensitive.equals('HELLO', 'hellx'), FALSE)
+  expect_equal(case.insensitive.equals('  "HELLO"', 'hello'), FALSE)
+  expect_equal(case.insensitive.equals('  "HELLO"', '  hello'), FALSE)
+  expect_equal(case.insensitive.equals('  HELLO', 'hello'), FALSE)
+  expect_equal(case.insensitive.equals('  HELLO', ' hello'), TRUE)
 })
 
 test_that('weakly.equals', {
-    expect_equal(weakly.equals('HELLO', 'hello'), TRUE)
-    expect_equal(weakly.equals('HELLO', 'hellx'), FALSE)
-    expect_equal(weakly.equals('  "HELLO"', 'hello'), FALSE)
-    expect_equal(weakly.equals('  "HELLO"', '  hello'), TRUE)
-    expect_equal(weakly.equals('  HELLO', 'hello'), FALSE)
-    expect_equal(weakly.equals('  HELLO', ' hello'), TRUE)
+  expect_equal(weakly.equals('HELLO', 'hello'), TRUE)
+  expect_equal(weakly.equals('HELLO', 'hellx'), FALSE)
+  expect_equal(weakly.equals('  "HELLO"', 'hello'), FALSE)
+  expect_equal(weakly.equals('  "HELLO"', '  hello'), TRUE)
+  expect_equal(weakly.equals('  HELLO', 'hello'), FALSE)
+  expect_equal(weakly.equals('  HELLO', ' hello'), TRUE)
 })
 
 # test_that('pkgsrc.license', {
@@ -390,24 +390,24 @@ test_that('weakly.equals', {
 # })
 
 test_that('find.Rcpp', {
-    expect_equal(find.Rcpp(list(), list()), FALSE)
-    expect_equal(find.Rcpp(list('Other'), list('Other')), FALSE)
+  expect_equal(find.Rcpp(list(), list()), FALSE)
+  expect_equal(find.Rcpp(list('Other'), list('Other')), FALSE)
 
-    expect_equal(find.Rcpp(list('Rcpp'), list()), TRUE)
-    expect_equal(find.Rcpp(list(), list('Rcpp')), TRUE)
+  expect_equal(find.Rcpp(list('Rcpp'), list()), TRUE)
+  expect_equal(find.Rcpp(list(), list('Rcpp')), TRUE)
 })
 
 # test_that('buildlink3.mk', {
 # })
 
 test_that('varassigns', {
-    expect_equal(
+  expect_equal(
     varassigns('VARNAME', c('value1', 'value2', '', 'value3')),
     list(
-    'VARNAME=\tvalue1',
-    'VARNAME=\tvalue2',  # FIXME: This doesn't make sense.
-    '',
-    'VARNAME=\tvalue3'))
+      'VARNAME=\tvalue1',
+      'VARNAME=\tvalue2', # FIXME: This doesn't make sense.
+      '',
+      'VARNAME=\tvalue3'))
 })
 
 # test_that('categories', {
@@ -420,52 +420,52 @@ test_that('varassigns', {
 # })
 
 test_that('make.imports', {
-    expect_equal(
-        make.imports(NA_character_, NA_character_),
-        character(0))
-
-    expect_equal(
-        make.imports('first (>= 1.0)', 'second'),
-        c('first(>=1.0)', 'second'))
-
-    expect_equal(
-        make.imports('first(>=1)', 'second(>=1)'),
-        c('first(>=1)second(>=1)'))
-
-    expect_equal(
-        make.imports('first(>=1) second(>=1)', NA_character_),
-        c('first(>=1)second(>=1)'))
+  expect_equal(
+    make.imports(NA_character_, NA_character_),
+    character(0))
+
+  expect_equal(
+    make.imports('first (>= 1.0)', 'second'),
+    c('first(>=1.0)', 'second'))
+
+  expect_equal(
+    make.imports('first(>=1)', 'second(>=1)'),
+    c('first(>=1)second(>=1)'))
+
+  expect_equal(
+    make.imports('first(>=1) second(>=1)', NA_character_),
+    c('first(>=1)second(>=1)'))
 })
 
 test_that('make.dependency', {
-    expect_equal(make.dependency('pkgname'), c('pkgname'))
-    expect_equal(make.dependency('pkgname(>=1.0)'), c('pkgname', '>=1.0'))
+  expect_equal(make.dependency('pkgname'), c('pkgname'))
+  expect_equal(make.dependency('pkgname(>=1.0)'), c('pkgname', '>=1.0'))
 
-    # undefined behavior
-    expect_equal(make.dependency('pkgname (>= 1.0)'), c('pkgname ', '>= 1.0'))
+# undefined behavior
+  expect_equal(make.dependency('pkgname (>= 1.0)'), c('pkgname ', '>= 1.0'))
 })
 
 test_that('depends', {
-    expect_equal(depends(make.dependency('pkg')), 'pkg')
-    expect_equal(depends(make.dependency('pkg(>=1.0)')), 'pkg')
-    expect_equal(depends(make.dependency('ellipsis(>=1.0)')), 'ellipsis')
-
-    # undefined behavior
-    expect_equal(depends(make.dependency('pkg (>= 1.0)')), 'pkg ')
-    expect_equal(depends(make.dependency('ellipsis (>= 1.0)')), 'ellipsis ')
+  expect_equal(depends(make.dependency('pkg')), 'pkg')
+  expect_equal(depends(make.dependency('pkg(>=1.0)')), 'pkg')
+  expect_equal(depends(make.dependency('ellipsis(>=1.0)')), 'ellipsis')
+
+# undefined behavior
+  expect_equal(depends(make.dependency('pkg (>= 1.0)')), 'pkg ')
+  expect_equal(depends(make.dependency('ellipsis (>= 1.0)')), 'ellipsis ')
 })
 
 test_that('depends.pkg', {
-    local_dir(package_dir)
+  local_dir(package_dir)
 
-    expect_equal(depends.pkg('ellipsis'), '../../math/R-ellipsis')
+  expect_equal(depends.pkg('ellipsis'), '../../math/R-ellipsis')
 })
 
 test_that('new.depends.pkg', {
-    local_dir(package_dir)
+  local_dir(package_dir)
 
-    if (dir.exists('../../wip'))
-        expect_equal(new.depends.pkg('C50'), '../../wip/R-C50')
+  if (dir.exists('../../wip'))
+    expect_equal(new.depends.pkg('C50'), '../../wip/R-C50')
 })
 
 # test_that('depends.pkg.fullname', {
@@ -493,36 +493,36 @@ test_that('new.depends.pkg', {
 # })
 
 test_that('buildlink3.file with matching version number', {
-    local_dir(package_dir)
-    dependency <- make.dependency('bitops(>=0.1)')
+  local_dir(package_dir)
+  dependency <- make.dependency('bitops(>=0.1)')
 
-    bl3 <- buildlink3.file(dependency)
+  bl3 <- buildlink3.file(dependency)
 
-    expect_equal(bl3, '../../math/R-bitops/buildlink3.mk')
+  expect_equal(bl3, '../../math/R-bitops/buildlink3.mk')
 })
 
 # The version number of the dependency is not checked against
 # the resolved buildlink3 file.
 test_that('buildlink3.file with too high version number', {
-    local_dir(package_dir)
-    dependency <- make.dependency('bitops(>=1000.0)')
+  local_dir(package_dir)
+  dependency <- make.dependency('bitops(>=1000.0)')
 
-    bl3 <- buildlink3.file(dependency)
+  bl3 <- buildlink3.file(dependency)
 
-    expect_equal(bl3, '../../math/R-bitops/buildlink3.mk')
+  expect_equal(bl3, '../../math/R-bitops/buildlink3.mk')
 })
 
 test_that('buildlink3.line', {
-    local_dir(package_dir)
+  local_dir(package_dir)
 
-    expect_equal(
-        buildlink3.line(make.dependency('ellipsis')),
-        '.include "../../math/R-ellipsis/buildlink3.mk"')
-
-    # undefined behavior
-    expect_equal(
-        buildlink3.line(make.dependency('not-found')),
-        '.include "NA/buildlink3.mk"')
+  expect_equal(
+    buildlink3.line(make.dependency('ellipsis')),
+    '.include "../../math/R-ellipsis/buildlink3.mk"')
+
+# undefined behavior
+  expect_equal(
+    buildlink3.line(make.dependency('not-found')),
+    '.include "NA/buildlink3.mk"')
 })
 
 # test_that('dependency.dir', {
@@ -532,79 +532,78 @@ test_that('buildlink3.line', {
 # })
 
 test_that('update.dependency', {
-    system <- mocked_system()
-    message <- mocked_message()
-    local_mock(system = system$mock, message = message$mock)
-    local_dir(package_dir)
-    arg.packages_list <<- 'already-updated'
-    arg.r2pkg <<- 'pkg/bin/R2pkg'
-    arg.args <<- '-u'
-
-    update.dependency(make.dependency('assertthat'))
-
-    system$expect_commands(
-        paste0(
-            'grep -E -q -e "assertthat" already-updated ',
-            '|| ',
-            '(cd ../../devel/R-assertthat && pkg/bin/R2pkg -u assertthat)'))
-    message$expect_messages(
-        "[ 321 ] updating dependency for assertthat: ../../devel/R-assertthat")
+  system <- mocked_system()
+  message <- mocked_message()
+  local_mock(system = system$mock, message = message$mock)
+  local_dir(package_dir)
+  arg.packages_list <<- 'already-updated'
+  arg.r2pkg <<- 'pkg/bin/R2pkg'
+  arg.args <<- '-u'
+
+  update.dependency(make.dependency('assertthat'))
+
+  system$expect_commands(
+    paste0(
+      'grep -E -q -e "assertthat" already-updated ',
+      '|| ',
+      '(cd ../../devel/R-assertthat && pkg/bin/R2pkg -u assertthat)'))
+  message$expect_messages(
+    "[ 321 ] updating dependency for assertthat: ../../devel/R-assertthat")
 })
 
 # test_that('make.depends', {
 # })
 
 test_that('use_languages without Rcpp as dependency', {
-    languages <- use_languages(list(), list())
+  languages <- use_languages(list(), list())
 
-    expect_equal(languages, '# none')
+  expect_equal(languages, '# none')
 })
 
 test_that('use_languages with Rcpp as dependency', {
-    languages <- use_languages(list('Rcpp(>=0)'), list())
+  languages <- use_languages(list('Rcpp(>=0)'), list())
 
-    expect_equal(languages, 'c c++')
+  expect_equal(languages, 'c c++')
 })
 
 test_that('write.Makefile', {
-    tmpdir <- paste(tempdir(), 'category', 'pkgdir', sep = '/')
-    dir.create(tmpdir, recursive = TRUE)
-    local_dir(tmpdir)
-    metadata <- make.metadata(linesConnection(
-        'Package: pkgname',
-        'Version: 1.3',
-        'Depends: ellipsis'))
-    orig <- make_mklines()
-
-    write.Makefile(orig, metadata)
-
-    expect_equal(readLines('Makefile'),c(
-        mkcvsid,
-        '',
-        'R_PKGNAME=\tpkgname',
-        'R_PKGVER=\t1.3',
-        'CATEGORIES=\tcategory',
-        '',
-        'MAINTAINER=\t',  # FIXME
-        'COMMENT=\tNA',  # FIXME
-        'LICENSE=\tNA',  # FIXME
-        '',
-        'USE_LANGUAGES=\t# none',
-        '',
-        '.include "../../math/R/Makefile.extension"',
-        '.include "../../mk/bsd.pkg.mk"'
-    ))
+  tmpdir <- paste(tempdir(), 'category', 'pkgdir', sep = '/')
+  dir.create(tmpdir, recursive = TRUE)
+  local_dir(tmpdir)
+  metadata <- make.metadata(linesConnection(
+    'Package: pkgname',
+    'Version: 1.3',
+    'Depends: ellipsis'))
+  orig <- make_mklines()
+
+  write.Makefile(orig, metadata)
+
+  expect_equal(readLines('Makefile'), c(
+    mkcvsid,
+    '',
+    'R_PKGNAME=\tpkgname',
+    'R_PKGVER=\t1.3',
+    'CATEGORIES=\tcategory',
+    '',
+    'MAINTAINER=\t', # FIXME
+    'COMMENT=\tNA', # FIXME
+    'LICENSE=\tNA', # FIXME
+    '',
+    'USE_LANGUAGES=\t# none',
+    '',
+    '.include "../../math/R/Makefile.extension"',
+    '.include "../../mk/bsd.pkg.mk"'))
 })
 
 test_that('element', {
-    mklines <- make_mklines(
-        'COMMENT=\tThe comment',
-        'EMPTY=')
-
-    expect_equal(element(mklines, 'COMMENT', 'order'), 1)
-    expect_equal(element(mklines, 'COMMENT', 'old_value'), 'The comment')
-    expect_equal(element(mklines, 'UNKNOWN', 'order'), '???')  # FIXME: should be a number
-    expect_equal(element(mklines, 'EMPTY', 'old_value'), '')
+  mklines <- make_mklines(
+    'COMMENT=\tThe comment',
+    'EMPTY=')
+
+  expect_equal(element(mklines, 'COMMENT', 'order'), 1)
+  expect_equal(element(mklines, 'COMMENT', 'old_value'), 'The comment')
+  expect_equal(element(mklines, 'UNKNOWN', 'order'), '???')  # FIXME: should be a number
+  expect_equal(element(mklines, 'EMPTY', 'old_value'), '')
 })
 
 # test_that('make.categories', {
@@ -614,14 +613,14 @@ test_that('element', {
 # })
 
 test_that('make.comment', {
-    mklines <- make_mklines(
-        'COMMENT=\tOld comment')
+  mklines <- make_mklines(
+    'COMMENT=\tOld comment')
 
-    mklines$new_value[[1]] <- 'New comment'
-    expect_equal(make.comment(mklines), 'Old comment\t# [R2pkg] updated to: New comment')
+  mklines$new_value[[1]] <- 'New comment'
+  expect_equal(make.comment(mklines), 'Old comment\t# [R2pkg] updated to: New comment')
 
-    mklines$new_value[[1]] <- 'old Comment'
-    expect_equal(make.comment(mklines), 'Old comment')
+  mklines$new_value[[1]] <- 'old Comment'
+  expect_equal(make.comment(mklines), 'Old comment')
 })
 
 # test_that('make.new_license', {
@@ -634,231 +633,231 @@ test_that('make.comment', {
 # })
 
 test_that('make.license, old and new known and equal', {
-    mklines <- make_mklines(
-        'LICENSE=\tgnu-gpl-v2')
-    mklines$new_value <- 'gnu-gpl-v2'
+  mklines <- make_mklines(
+    'LICENSE=\tgnu-gpl-v2')
+  mklines$new_value <- 'gnu-gpl-v2'
 
-    updated <- make.license(mklines)
+  updated <- make.license(mklines)
 
-    expect_equal(updated$value, 'gnu-gpl-v2')
-    expect_equal(updated$todo, '')
+  expect_equal(updated$value, 'gnu-gpl-v2')
+  expect_equal(updated$todo, '')
 })
 
 test_that('make.license, old and new known and changed', {
-    mklines <- make_mklines(
-        'LICENSE=\tgnu-gpl-v2')
-    mklines$new_value <- 'gnu-gpl-v3'
+  mklines <- make_mklines(
+    'LICENSE=\tgnu-gpl-v2')
+  mklines$new_value <- 'gnu-gpl-v3'
 
-    updated <- make.license(mklines)
+  updated <- make.license(mklines)
 
-    expect_equal(updated$value, 'gnu-gpl-v3\t# [R2pkg] previously: gnu-gpl-v2')
-    expect_equal(updated$todo, '')
+  expect_equal(updated$value, 'gnu-gpl-v3\t# [R2pkg] previously: gnu-gpl-v2')
+  expect_equal(updated$todo, '')
 })
 
 test_that('make.license, old known, new unknown', {
-    mklines <- make_mklines(
-        'LICENSE=\tgnu-gpl-v2')
-    mklines$new_value <- 'unknown-license'
+  mklines <- make_mklines(
+    'LICENSE=\tgnu-gpl-v2')
+  mklines$new_value <- 'unknown-license'
 
-    updated <- make.license(mklines)
+  updated <- make.license(mklines)
 
-    expect_equal(updated$value, 'gnu-gpl-v2\t# [R2pkg] updated to: unknown-license')
-    expect_equal(updated$todo, '# TODO: ')
+  expect_equal(updated$value, 'gnu-gpl-v2\t# [R2pkg] updated to: unknown-license')
+  expect_equal(updated$todo, '# TODO: ')
 })
 
 test_that('make.license, old unknown, new known', {
-    mklines <- make_mklines(
-        'LICENSE=\tunknown-license')
-    mklines$new_value <- 'gnu-gpl-v2'
+  mklines <- make_mklines(
+    'LICENSE=\tunknown-license')
+  mklines$new_value <- 'gnu-gpl-v2'
 
-    updated <- make.license(mklines)
+  updated <- make.license(mklines)
 
-    expect_equal(updated$value, 'gnu-gpl-v2\t# [R2pkg] previously: unknown-license')
-    expect_equal(updated$todo, '')
+  expect_equal(updated$value, 'gnu-gpl-v2\t# [R2pkg] previously: unknown-license')
+  expect_equal(updated$todo, '')
 })
 
 test_that('make.license, old unknown, new also unknown', {
-    mklines <- make_mklines(
-        'LICENSE=\tunknown-license')
-    mklines$new_value <- 'new-unknown'
+  mklines <- make_mklines(
+    'LICENSE=\tunknown-license')
+  mklines$new_value <- 'new-unknown'
 
-    updated <- make.license(mklines)
+  updated <- make.license(mklines)
 
-    expect_equal(updated$value, 'new-unknown\t# [R2pkg] previously: unknown-license')
-    expect_equal(updated$todo, '# TODO: ')
+  expect_equal(updated$value, 'new-unknown\t# [R2pkg] previously: unknown-license')
+  expect_equal(updated$todo, '# TODO: ')
 })
 
 test_that('find.order', {
-    mklines <- make_mklines(
-        'CATEGORIES=',
-        'HOMEPAGE=',
-        'USE_TOOLS+=',
-        '.include "other.mk"',
-        '# comment')
-
-    vars_order <- find.order(mklines, 'key_value', 'order')
-    include_order <- find.order(mklines, 'buildlink3.mk', 'order')
-
-    expect_equal(mklines[, 'key_value'], c(TRUE, TRUE, TRUE, FALSE, FALSE))
-    expect_equal(mklines[, 'buildlink3.mk'], c(FALSE, FALSE, FALSE, FALSE, FALSE))
-    expect_equal(vars_order, c(1))
-    expect_equal(include_order, NA_integer_)
+  mklines <- make_mklines(
+    'CATEGORIES=',
+    'HOMEPAGE=',
+    'USE_TOOLS+=',
+    '.include "other.mk"',
+    '# comment')
+
+  vars_order <- find.order(mklines, 'key_value', 'order')
+  include_order <- find.order(mklines, 'buildlink3.mk', 'order')
+
+  expect_equal(mklines[, 'key_value'], c(TRUE, TRUE, TRUE, FALSE, FALSE))
+  expect_equal(mklines[, 'buildlink3.mk'], c(FALSE, FALSE, FALSE, FALSE, FALSE))
+  expect_equal(vars_order, c(1))
+  expect_equal(include_order, NA_integer_)
 })
 
 test_that('mklines.update_with_metadata with CATEGORIES', {
-    local_dir(package_dir)  # to get a realistic category
-    arg.maintainer_email <<- 'with-categories%example.org@localhost'
-    df <- make_mklines(
-        'CATEGORIES=\told categories',
-        'MAINTAINER=\told_maintainer%example.org@localhost',
-        'COMMENT=\told comment',
-        'R_PKGVER=\t1.0')
-    metadata = list(Title = 'Package comment', Version = '19.3', License = 'license')
-
-    updated <- mklines.update_with_metadata(df, metadata)
-
-    expect_printed(data.frame(varname = updated$key, new_value = updated$new_value),
-        '  varname    new_value                  ',
-        '1 CATEGORIES pkgtools                   ',
-        '2 MAINTAINER with-categories%example.org@localhost',  # FIXME: Should not always be reset.
-        '3 COMMENT    Package comment            ',
-        '4 R_PKGVER   19.3                       ')
+  local_dir(package_dir)  # to get a realistic category
+  arg.maintainer_email <<- 'with-categories%example.org@localhost'
+  df <- make_mklines(
+    'CATEGORIES=\told categories',
+    'MAINTAINER=\told_maintainer%example.org@localhost',
+    'COMMENT=\told comment',
+    'R_PKGVER=\t1.0')
+  metadata = list(Title = 'Package comment', Version = '19.3', License = 'license')
+
+  updated <- mklines.update_with_metadata(df, metadata)
+
+  expect_printed(data.frame(varname = updated$key, new_value = updated$new_value),
+                 '  varname    new_value                  ',
+                 '1 CATEGORIES pkgtools                   ',
+                 '2 MAINTAINER with-categories%example.org@localhost', # FIXME: Should not always be reset.
+                 '3 COMMENT    Package comment            ',
+                 '4 R_PKGVER   19.3                       ')
 })
 
 # If the variable has been removed from the Makefile, it is not updated.
 test_that('mklines.update_with_metadata without CATEGORIES', {
-    arg.maintainer_email <<- 'without-categories%example.org@localhost'
-    df <- make_mklines(
-        'MAINTAINER=',
-        'COMMENT=',
-        'R_PKGVER=')
-    metadata = list(Title = 'Package comment', Version = '19.3', License = 'license')
-
-    updated <- mklines.update_with_metadata(df, metadata)
-
-    expect_printed(data.frame(varname = updated$key, new_value = updated$new_value),
-        '  varname    new_value                     ',
-        '1 MAINTAINER without-categories%example.org@localhost',
-        '2 COMMENT    Package comment               ',
-        '3 R_PKGVER   19.3                          ')
+  arg.maintainer_email <<- 'without-categories%example.org@localhost'
+  df <- make_mklines(
+    'MAINTAINER=',
+    'COMMENT=',
+    'R_PKGVER=')
+  metadata = list(Title = 'Package comment', Version = '19.3', License = 'license')
+
+  updated <- mklines.update_with_metadata(df, metadata)
+
+  expect_printed(data.frame(varname = updated$key, new_value = updated$new_value),
+                 '  varname    new_value                     ',
+                 '1 MAINTAINER without-categories%example.org@localhost',
+                 '2 COMMENT    Package comment               ',
+                 '3 R_PKGVER   19.3                          ')
 })
 
 test_that('mklines.update_value', {
-    local_dir(package_dir)
+  local_dir(package_dir)
 
-    mklines <- make_mklines(
-        'R_PKGVER=\t1.0',
-        'CATEGORIES=\told categories',
-        'MAINTAINER=\told_maintainer%example.org@localhost',
-        'COMMENT=\tOld comment',
-        'LICENSE=\told-license')
-    mklines$new_value <- mklines$old_value
-
-    updated <- mklines.update_value(mklines)
-
-    expect_equal(updated$value, c(
-        '1.0',
-        'pkgtools old categories',
-        'old_maintainer%example.org@localhost',
-        'Old comment',
-        'old-license\t# [R2pkg] previously: old-license'))  # FIXME: no comment necessary
-    expect_equal(updated$todo, c(
-        '',
-        '',
-        '',
-        '',
-        '# TODO: '))
+  mklines <- make_mklines(
+    'R_PKGVER=\t1.0',
+    'CATEGORIES=\told categories',
+    'MAINTAINER=\told_maintainer%example.org@localhost',
+    'COMMENT=\tOld comment',
+    'LICENSE=\told-license')
+  mklines$new_value <- mklines$old_value
+
+  updated <- mklines.update_value(mklines)
+
+  expect_equal(updated$value, c(
+    '1.0',
+    'pkgtools old categories',
+    'old_maintainer%example.org@localhost',
+    'Old comment',
+    'old-license\t# [R2pkg] previously: old-license'))  # FIXME: no comment necessary
+  expect_equal(updated$todo, c(
+    '',
+    '',
+    '',
+    '',
+    '# TODO: '))
 })
 
 test_that('mklines.update_new_line', {
-    mklines <- make_mklines(
-        'VALUE=\tvalue',
-        'VALUE_WITH_COMMENT=\tvalue # comment',
-        'VALUE_NA=\tvalue',
-        '#COMMENTED=\tcommented value')
-    mklines <- mklines.update_value(mklines)
-    mklines$value[mklines$key == 'VALUE'] <- 'new value'
-    mklines$value[mklines$key == 'VALUE_WITH_COMMENT'] <- 'new value # new comment'
-    mklines$value[mklines$key == '#COMMENTED'] <- 'new commented'
-
-    updated <- mklines.update_new_line(mklines)
-
-    expect_equal(updated$new_line, c(
-        'VALUE=\tnew value',
-        'VALUE_WITH_COMMENT=\tnew value # new comment',
-        'VALUE_NA=\tvalue',
-        '#COMMENTED=\tnew commented'))
+  mklines <- make_mklines(
+    'VALUE=\tvalue',
+    'VALUE_WITH_COMMENT=\tvalue # comment',
+    'VALUE_NA=\tvalue',
+    '#COMMENTED=\tcommented value')
+  mklines <- mklines.update_value(mklines)
+  mklines$value[mklines$key == 'VALUE'] <- 'new value'
+  mklines$value[mklines$key == 'VALUE_WITH_COMMENT'] <- 'new value # new comment'
+  mklines$value[mklines$key == '#COMMENTED'] <- 'new commented'
+
+  updated <- mklines.update_new_line(mklines)
+
+  expect_equal(updated$new_line, c(
+    'VALUE=\tnew value',
+    'VALUE_WITH_COMMENT=\tnew value # new comment',
+    'VALUE_NA=\tvalue',
+    '#COMMENTED=\tnew commented'))
 })
 
 test_that('mklines.annotate_distname', {
-    mklines <- make_mklines(
-        'DISTNAME=\tpkg_1.0')
-    mklines$new_line <- mklines$line
-
-    annotated <- mklines.annotate_distname(mklines)
-
-    expect_equal(
-        annotated$new_line,
-        'DISTNAME=\tpkg_1.0\t# [R2pkg] replace this line with R_PKGNAME=pkg and R_PKGVER=1.0 as first stanza')
+  mklines <- make_mklines(
+    'DISTNAME=\tpkg_1.0')
+  mklines$new_line <- mklines$line
+
+  annotated <- mklines.annotate_distname(mklines)
+
+  expect_equal(
+    annotated$new_line,
+    'DISTNAME=\tpkg_1.0\t# [R2pkg] replace this line with R_PKGNAME=pkg and R_PKGVER=1.0 as first stanza')
 })
 
 test_that('mklines.remove_lines_before_update', {
-    mklines <- make_mklines(
-        'MASTER_SITES=',
-        'HOMEPAGE=',
-        'BUILDLINK_API_DEPENDS.dependency+=',
-        'BUILDLINK_ABI_DEPENDS.dependency+=',
-        'COMMENT=')
-    mklines$new_line <- mklines$line
+  mklines <- make_mklines(
+    'MASTER_SITES=',
+    'HOMEPAGE=',
+    'BUILDLINK_API_DEPENDS.dependency+=',
+    'BUILDLINK_ABI_DEPENDS.dependency+=',
+    'COMMENT=')
+  mklines$new_line <- mklines$line
 
-    cleaned <- mklines.remove_lines_before_update(mklines)
+  cleaned <- mklines.remove_lines_before_update(mklines)
 
-    expect_equal(cleaned$key, c(
-        'COMMENT'))
+  expect_equal(cleaned$key, c(
+    'COMMENT'))
 })
 
 test_that('mklines.reassign_order, no change necessary', {
-    mklines <- make_mklines(
-        'R_PKGNAME= ellipsis',
-        'R_PKGVER= 0.1',
-        'CATEGORIES= pkgtools')
+  mklines <- make_mklines(
+    'R_PKGNAME= ellipsis',
+    'R_PKGVER= 0.1',
+    'CATEGORIES= pkgtools')
 
-    updated <- mklines.reassign_order(mklines)
+  updated <- mklines.reassign_order(mklines)
 
-    expect_equal(updated, mklines)
+  expect_equal(updated, mklines)
 })
 
 test_that('mklines.reassign_order, reordered', {
-    mklines <- make_mklines(
-        'CATEGORIES= pkgtools',
-        'R_PKGNAME= ellipsis',
-        'R_PKGVER= 0.1')
-
-    expect_printed(data.frame(varname = mklines$key, order = mklines$order),
-        '  varname    order',
-        '1 CATEGORIES 1    ',
-        '2 R_PKGNAME  2    ',
-        '3 R_PKGVER   3    ')
-
-    updated <- mklines.reassign_order(mklines)
-
-    expect_printed(data.frame(varname = updated$key, order = updated$order),
-        '  varname    order',
-        '1 CATEGORIES 1.0  ',
-        '2 R_PKGNAME  0.8  ',
-        '3 R_PKGVER   0.9  ')
+  mklines <- make_mklines(
+    'CATEGORIES= pkgtools',
+    'R_PKGNAME= ellipsis',
+    'R_PKGVER= 0.1')
+
+  expect_printed(data.frame(varname = mklines$key, order = mklines$order),
+                 '  varname    order',
+                 '1 CATEGORIES 1    ',
+                 '2 R_PKGNAME  2    ',
+                 '3 R_PKGVER   3    ')
+
+  updated <- mklines.reassign_order(mklines)
+
+  expect_printed(data.frame(varname = updated$key, order = updated$order),
+                 '  varname    order',
+                 '1 CATEGORIES 1.0  ',
+                 '2 R_PKGNAME  0.8  ',
+                 '3 R_PKGVER   0.9  ')
 })
 
 test_that('conflicts', {
-    expect_equal(conflicts('UnknownPackage'), list())
+  expect_equal(conflicts('UnknownPackage'), list())
 
-    expect_equal(
-        conflicts('lattice'),
-        list('CONFLICTS=\tR>=3.6.1', ''))
-
-    expect_equal(
-        conflicts(c('lattice', 'methods', 'general', 'UnknownPackage')),
-        list('CONFLICTS=\tR>=3.6.1', ''))
+  expect_equal(
+    conflicts('lattice'),
+    list('CONFLICTS=\tR>=3.6.1', ''))
+
+  expect_equal(
+    conflicts(c('lattice', 'methods', 'general', 'UnknownPackage')),
+    list('CONFLICTS=\tR>=3.6.1', ''))
 })
 
 # test_that('make.df.conflicts', {
@@ -874,93 +873,93 @@ test_that('conflicts', {
 # })
 
 test_that('update.Makefile', {
-    local_dir(tempdir())
-    system <- mocked_system()
-    local_mock(system = system$mock)
-    writeLines(
-        c(
-            mkcvsid,
-            '',
-            '.include "../../mk/bsd.pkg.mk"'),
-        'Makefile.orig')
-    orig <- read_mklines('Makefile.orig')
-    metadata <- make.metadata(linesConnection(
-        'Package: pkgname',
-        'Version: 1.0',
-        'Depends: dep1 dep2(>=2.0)'))
-    expect_printed(
-        as.data.frame(metadata),
-        '  Package Version Title Description License Imports Depends         ',
-        '1 pkgname 1.0     <NA>  <NA>        <NA>    <NA>    dep1 dep2(>=2.0)')
-    expect_printed(metadata$Imports, '[1] NA')
-    expect_printed(metadata$Depends, '[1] "dep1 dep2(>=2.0)"')
-    expect_printed(
-        paste2(metadata$Imports, metadata$Depends),
-        '[1] "dep1 dep2(>=2.0)"')
-    expect_printed(
-        make.imports(metadata$Imports, metadata$Depends),
-        '[1] "dep1"        "dep2(>=2.0)"')
-    FALSE && expect_printed(  # FIXME
-        make.depends(metadata$Imports, metadata$Depends),
-        '[1] "dep1"        "dep2(>=2.0)"')
-
-    FALSE && update.Makefile(orig, metadata)  # FIXME
-
-    FALSE && expect_equal(  # FIXME
-        c(
-            mkcvsid,
-            '',
-            'asdf'),
-        readLines('Makefile'))
-    system$expect_commands(c())
+  local_dir(tempdir())
+  system <- mocked_system()
+  local_mock(system = system$mock)
+  writeLines(
+    c(
+      mkcvsid,
+      '',
+      '.include "../../mk/bsd.pkg.mk"'),
+    'Makefile.orig')
+  orig <- read_mklines('Makefile.orig')
+  metadata <- make.metadata(linesConnection(
+    'Package: pkgname',
+    'Version: 1.0',
+    'Depends: dep1 dep2(>=2.0)'))
+  expect_printed(
+    as.data.frame(metadata),
+    '  Package Version Title Description License Imports Depends         ',
+    '1 pkgname 1.0     <NA>  <NA>        <NA>    <NA>    dep1 dep2(>=2.0)')
+  expect_printed(metadata$Imports, '[1] NA')
+  expect_printed(metadata$Depends, '[1] "dep1 dep2(>=2.0)"')
+  expect_printed(
+    paste2(metadata$Imports, metadata$Depends),
+    '[1] "dep1 dep2(>=2.0)"')
+  expect_printed(
+    make.imports(metadata$Imports, metadata$Depends),
+    '[1] "dep1"        "dep2(>=2.0)"')
+  FALSE && expect_printed(# FIXME
+    make.depends(metadata$Imports, metadata$Depends),
+    '[1] "dep1"        "dep2(>=2.0)"')
+
+  FALSE && update.Makefile(orig, metadata)  # FIXME
+
+  FALSE && expect_equal(# FIXME
+    c(
+      mkcvsid,
+      '',
+      'asdf'),
+    readLines('Makefile'))
+  system$expect_commands(c())
 })
 
 # test_that('create.Makefile', {
 # })
 
 test_that('create.DESCR', {
-    local_dir(tempdir())
-    metadata <- make.metadata(linesConnection(
-        'Description: First line',
-        ' .',
-        ' Second paragraph',
-        ' has 2 lines'))
-
-    create.DESCR(metadata)
-
-    lines <- readLines('DESCR', encoding = 'UTF-8')
-    expect_equal(lines, c(
-        'First line',
-        '',
-        'Second paragraph has 2 lines'
-    ))
+  local_dir(tempdir())
+  metadata <- make.metadata(linesConnection(
+    'Description: First line',
+    ' .',
+    ' Second paragraph',
+    ' has 2 lines'))
+
+  create.DESCR(metadata)
+
+  lines <- readLines('DESCR', encoding = 'UTF-8')
+  expect_equal(lines, c(
+    'First line',
+    '',
+    'Second paragraph has 2 lines'
+  ))
 })
 
 test_that('create.DESCR for a package without Description', {
-    local_dir(tempdir())
-    metadata <- make.metadata(linesConnection('Package: pkgname'))
+  local_dir(tempdir())
+  metadata <- make.metadata(linesConnection('Package: pkgname'))
 
-    create.DESCR(metadata)
+  create.DESCR(metadata)
 
-    lines <- readLines('DESCR', encoding = 'UTF-8')
-    expect_equal(lines, c('NA'))  # FIXME
+  lines <- readLines('DESCR', encoding = 'UTF-8')
+  expect_equal(lines, c('NA'))  # FIXME
 })
 
 test_that('make.metadata', {
-    description <- paste(
-        c(
-            'Package: pkgname',
-            'Version: 1.0',
-            'Imports: dep1 other'
-        ),
-        collapse = '\n')
-
-    metadata <- make.metadata(textConnection(description))
-
-    expect_equal(metadata$Package, 'pkgname')
-    expect_equal(metadata$Version, '1.0')
-    expect_equal(metadata$Imports, 'dep1 other')
-    expect_equal(metadata$Depends, NA_character_)
+  description <- paste(
+    c(
+      'Package: pkgname',
+      'Version: 1.0',
+      'Imports: dep1 other'
+    ),
+    collapse = '\n')
+
+  metadata <- make.metadata(textConnection(description))
+
+  expect_equal(metadata$Package, 'pkgname')
+  expect_equal(metadata$Version, '1.0')
+  expect_equal(metadata$Imports, 'dep1 other')
+  expect_equal(metadata$Depends, NA_character_)
 })
 
 # test_that('main', {



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