Make it possible to pass perl code to autoscript.

[debhelper.git] / Debian / Debhelper / Dh_Lib.pm

diff --git a/Debian/Debhelper/Dh_Lib.pm b/Debian/Debhelper/Dh_Lib.pm
index 10ae69f7babd6e85985e27a4a9bbf247b3d79277..7b550b0ea5752820d98d1a84d49b5255c3aeeedc 100644 (file)
--- a/Debian/Debhelper/Dh_Lib.pm
+++ b/Debian/Debhelper/Dh_Lib.pm
@@ -504,7 +504,8 @@ sub pkgfilename {
 # 1: package
 # 2: script to add to
 # 3: filename of snippet
-# 4: sed to run on the snippet. Ie, s/#PACKAGE#/$PACKAGE/
+# 4: either text: shell-quoted sed to run on the snippet. Ie, 's/#PACKAGE#/$PACKAGE/'
+#    or a sub to run on each line of the snippet. Ie sub { s/#PACKAGE#/$PACKAGE/ }
 sub autoscript {
        my $package=shift;
        my $script=shift;
@@ -533,18 +534,34 @@ sub autoscript {
           && !compat(5)) {
                # Add fragments to top so they run in reverse order when removing.
                complex_doit("echo \"# Automatically added by ".basename($0)."\"> $outfile.new");
-               complex_doit("sed \"$sed\" $infile >> $outfile.new");
+               autoscript_sed($sed, $infile, "$outfile.new");
                complex_doit("echo '# End automatically added section' >> $outfile.new");
                complex_doit("cat $outfile >> $outfile.new");
                complex_doit("mv $outfile.new $outfile");
        }
        else {
                complex_doit("echo \"# Automatically added by ".basename($0)."\">> $outfile");
-               complex_doit("sed \"$sed\" $infile >> $outfile");
+               autoscript_sed($sed, $infile, $outfile);
                complex_doit("echo '# End automatically added section' >> $outfile");
        }
 }
 
+sub autoscript_sed {
+       my $sed = shift;
+       my $infile = shift;
+       my $outfile = shift;
+       if (ref($sed) eq 'CODE') {
+               open(IN, $infile) or die "$infile: $!";
+               open(OUT, ">>$outfile") or die "$outfile: $!";
+               while (<IN>) { $sed->(); print OUT }
+               close(OUT) or die "$outfile: $!";
+               close(IN) or die "$infile: $!";
+       }
+       else {
+               complex_doit("sed \"$sed\" $infile >> $outfile");
+       }
+}
+
 # Removes a whole substvar line.
 sub delsubstvar {
        my $package=shift;