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[pkgsrc/trunk]: pkgsrc mk/subst.mk: ignore directories in SUBST_FILES



details:   https://anonhg.NetBSD.org/pkgsrc/rev/3a769ae5935d
branches:  trunk
changeset: 425540:3a769ae5935d
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Sun Mar 22 13:19:50 2020 +0000

description:
mk/subst.mk: ignore directories in SUBST_FILES

Seen in multimedia/libmp4v2, where a pattern also matches the CVS
directory from the distfiles.

diffstat:

 mk/subst.mk                      |   4 +-
 regress/infra-unittests/subst.sh |  85 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+), 2 deletions(-)

diffs (110 lines):

diff -r 30dde4498745 -r 3a769ae5935d mk/subst.mk
--- a/mk/subst.mk       Sun Mar 22 13:15:13 2020 +0000
+++ b/mk/subst.mk       Sun Mar 22 13:19:50 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: subst.mk,v 1.69 2020/03/22 12:15:59 rillig Exp $
+# $NetBSD: subst.mk,v 1.70 2020/03/22 13:19:50 rillig Exp $
 #
 # The subst framework replaces text in one or more files in the WRKSRC
 # directory. Packages can define several ``classes'' of replacements.
@@ -159,7 +159,7 @@
                case $$file in /*) ;; *) file="./$$file";; esac;        \
                tmpfile="$$file.subst.sav";                             \
                if [ ! -f "$$file" ]; then                              \
-                       ${_SUBST_WARN.${_class_}} "Ignoring non-existent file \"$$file\"."; \
+                       [ -d "$$file" ] || ${_SUBST_WARN.${_class_}} "Ignoring non-existent file \"$$file\"."; \
                elif ${_SUBST_IS_TEXT_FILE_CMD.${_class_}}; then        \
                        ${SUBST_FILTER_CMD.${_class_}}                  \
                        < "$$file"                                      \
diff -r 30dde4498745 -r 3a769ae5935d regress/infra-unittests/subst.sh
--- a/regress/infra-unittests/subst.sh  Sun Mar 22 13:15:13 2020 +0000
+++ b/regress/infra-unittests/subst.sh  Sun Mar 22 13:19:50 2020 +0000
@@ -838,3 +838,88 @@
 
        test_case_end
 fi
+
+if test_case_begin "pattern matches directory"; then
+
+       # When a pattern matches a directory, that directory is silently
+       # skipped.
+       #
+       # In this test case, the pattern also matches a regular file that
+       # is actually modified. Therefore the pattern has an effect, and
+       # there is no error message.
+
+       create_file_lines "testcase.mk" \
+               'SUBST_CLASSES+=        dir' \
+               'SUBST_STAGE.dir=       pre-configure' \
+               'SUBST_FILES.dir=       sub*' \
+               'SUBST_VARS.dir=        VAR' \
+               'SUBST_NOOP_OK.dir=     no' \
+               '' \
+               'VAR=                   value' \
+               '' \
+               '.include "prepare-subst.mk"' \
+               '.include "mk/subst.mk"'
+       mkdir "$tmpdir/subdir"
+       create_file_lines "subdir/subfile" \
+               "@VAR@"
+       create_file_lines "subst-file" \
+               "@VAR@"
+
+       test_file "testcase.mk" "pre-configure" \
+               1> "$tmpdir/stdout" \
+               2> "$tmpdir/stderr" \
+       && exitcode=0 || exitcode=$?
+
+       assert_that "subst-file" --file-is-lines "value"
+       assert_that "subdir/subfile" --file-is-lines "@VAR@" # unchanged
+       assert_that "stdout" --file-is-lines \
+               "=> Substituting \"dir\" in sub*"
+       assert_that "stderr" --file-is-empty
+       assert_that "$exitcode" --equals 0
+
+       test_case_end
+fi
+
+
+if test_case_begin "pattern matches only directory"; then
+
+       # When a pattern matches a directory, that directory is silently
+       # skipped.
+       #
+       # In this test case, the pattern also matches a regular file that
+       # is actually modified. Therefore the pattern has an effect, and
+       # there is no error message.
+
+       create_file_lines "testcase.mk" \
+               'SUBST_CLASSES+=        dir' \
+               'SUBST_STAGE.dir=       pre-configure' \
+               'SUBST_FILES.dir=       sub*' \
+               'SUBST_VARS.dir=        VAR' \
+               'SUBST_NOOP_OK.dir=     no' \
+               '' \
+               'VAR=                   value' \
+               '' \
+               '.include "prepare-subst.mk"' \
+               '.include "mk/subst.mk"'
+       mkdir "$tmpdir/subdir"
+       create_file_lines "subdir/subfile" \
+               "@VAR@"
+
+       test_file "testcase.mk" "pre-configure" \
+               1> "$tmpdir/stdout" \
+               2> "$tmpdir/stderr" \
+       && exitcode=0 || exitcode=$?
+
+       assert_that "subdir/subfile" --file-is-lines "@VAR@" # unchanged
+       assert_that "stdout" --file-is-lines \
+               "=> Substituting \"dir\" in sub*" \
+               "fail: [subst.mk:dir] The pattern sub* has no effect." \
+               "*** Error code 1" \
+               "" \
+               "Stop." \
+               "$make: stopped in $PWD"
+       assert_that "stderr" --file-is-empty
+       assert_that "$exitcode" --equals 1
+
+       test_case_end
+fi



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