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[pkgsrc/trunk]: pkgsrc/pkgtools/url2pkg pkgtools/url2pkg: refactor variable a...



details:   https://anonhg.NetBSD.org/pkgsrc/rev/d58bcd1d09fb
branches:  trunk
changeset: 378460:d58bcd1d09fb
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Sun Apr 08 20:13:54 2018 +0000

description:
pkgtools/url2pkg: refactor variable alignment code

The new code is more expressive and uses fewer magic numbers.

diffstat:

 pkgtools/url2pkg/Makefile         |   3 ++-
 pkgtools/url2pkg/files/url2pkg.pl |  12 ++++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diffs (48 lines):

diff -r e1684f7cd77d -r d58bcd1d09fb pkgtools/url2pkg/Makefile
--- a/pkgtools/url2pkg/Makefile Sun Apr 08 19:41:39 2018 +0000
+++ b/pkgtools/url2pkg/Makefile Sun Apr 08 20:13:54 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.87 2018/01/07 11:20:18 rillig Exp $
+# $NetBSD: Makefile,v 1.88 2018/04/08 20:13:54 rillig Exp $
 
 PKGNAME=       url2pkg-2.29
 CATEGORIES=    pkgtools
@@ -22,6 +22,7 @@
 
 SUBST_CLASSES+=                up
 SUBST_STAGE.up=                do-configure
+SUBST_MESSAGE.up=      Replacing variable placeholders
 SUBST_FILES.up=                url2pkg.pl MakeMaker.pm
 SUBST_SED.up=          -e 's,@MAKE@,'${MAKE:Q}',g'
 SUBST_SED.up+=         -e 's,@PERL@,${PERL5},g'
diff -r e1684f7cd77d -r d58bcd1d09fb pkgtools/url2pkg/files/url2pkg.pl
--- a/pkgtools/url2pkg/files/url2pkg.pl Sun Apr 08 19:41:39 2018 +0000
+++ b/pkgtools/url2pkg/files/url2pkg.pl Sun Apr 08 20:13:54 2018 +0000
@@ -1,5 +1,5 @@
 #! @PERL@
-# $NetBSD: url2pkg.pl,v 1.35 2018/01/07 11:20:18 rillig Exp $
+# $NetBSD: url2pkg.pl,v 1.36 2018/04/08 20:13:55 rillig Exp $
 #
 
 # Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -76,15 +76,15 @@
 
        my $width = 0;
        foreach my $var (@{$vars}) {
-               my $len = length($var->[0]);
+               my $varname = $var->[0];
+               my $len = (length("$varname= ") + 7) & -8;
                $width = ($len > $width) ? $len : $width;
        }
 
        foreach my $var (@{$vars}) {
-               my $len = length($var->[0]) + 1;
-               my $adjlen = (($width + 1 + 1) + 7) &-8;
-               my $ntabs = (7 + $adjlen - $len) / 8;
-               printf $f ("%s=%s%s\n", $var->[0], "\t" x $ntabs, $var->[1]);
+               my ($varname, $varvalue) = @$var;
+               my $ntabs = ($width - length("$varname=") + 7) / 8;
+               printf $f ("%s=%s%s\n", $varname, "\t" x $ntabs, $varvalue);
        }
        printf $f ("\n");
 }



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