X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=dh_installdeb;h=def76d16cbf1329952d3133c5cbe799c6490e51e;hb=e2a6d4cec4a7ee952cf6a7f250d80f1d75a38f95;hp=386640b7ed6250ac8d0a3cfe046459423294b635;hpb=a243946176b92b5fafd84f43d5a455551cf27210;p=debhelper.git

diff --git a/dh_installdeb b/dh_installdeb
index 386640b..def76d1 100755
--- a/dh_installdeb
+++ b/dh_installdeb
@@ -15,8 +15,8 @@ B<dh_installdeb> [S<I<debhelper options>>]
 
 =head1 DESCRIPTION
 
-dh_installdeb is a debhelper program that is responsible for installing
-files into the DEBIAN directories in package build directories with the
+B<dh_installdeb> is a debhelper program that is responsible for installing
+files into the F<DEBIAN> directories in package build directories with the
 correct permissions.
 
 =head1 FILES
@@ -31,7 +31,7 @@ correct permissions.
 
 =item I<package>.prerm
 
-These maintainer scripts are installed into the DEBIAN directory.
+These maintainer scripts are installed into the F<DEBIAN> directory.
 
 Inside the scripts, the token B<#DEBHELPER#> is replaced with
 shell script snippets generated by other debhelper commands.
@@ -40,22 +40,42 @@ shell script snippets generated by other debhelper commands.
 
 =item I<package>.shlibs
 
-These control files are installed into the DEBIAN directory.
+These control files are installed into the F<DEBIAN> directory.
 
 =item I<package>.conffiles
 
-This control file will be installed into the DEBIAN directory.
+This control file will be installed into the F<DEBIAN> directory.
 
-In V3 compatibility mode and higher, all files in the etc/ directory in a
+In v3 compatibility mode and higher, all files in the F<etc/> directory in a
 package will automatically be flagged as conffiles by this program, so
 there is no need to list them manually here.
 
+=item I<package>.maintscript
+
+Lines in this file correspond to L<dpkg-maintscript-helper(1)> commands and
+parameters.  Any shell metacharacters will be escaped, so arbitrary shell
+code cannot be inserted here.  For example, a line such as C<mv_conffile
+/etc/oldconffile /etc/newconffile> will insert maintainer script snippets
+into all maintainer scripts sufficient to move that conffile.
+
+A versioned Pre-Dependency on dpkg is needed to use
+L<dpkg-maintscript-helper(1)>. An appropriate Pre-Dependency is
+set in ${misc:Pre-Depends} ; you should make sure to put that token into
+an appropriate place in your debian/control file.
+
 =back
 
 =cut
 
 init();
 
+# dpkg-maintscript-helper commands with their associated dpkg pre-dependency
+# versions.
+my %maintscript_predeps = (
+	"rm_conffile" => "1.15.7.2",
+	"mv_conffile" => "1.15.7.2",
+);
+
 foreach my $package (@{$dh{DOPACKAGES}}) {
 	my $tmp=tmpdir($package);
 
@@ -76,6 +96,22 @@ foreach my $package (@{$dh{DOPACKAGES}}) {
 		next;		
 	}
 	
+	my $maintscriptfile=pkgfile($package, "maintscript");
+	if ($maintscriptfile) {
+		foreach my $line (filedoublearray($maintscriptfile)) {
+			my $cmd=$line->[0];
+			error("unknown dpkg-maintscript-helper command: $cmd")
+				unless exists $maintscript_predeps{$cmd};
+			addsubstvar($package, "misc:Pre-Depends", "dpkg",
+				    ">= $maintscript_predeps{$cmd}");
+			my $params=escape_shell(@$line);
+			foreach my $script (qw{postinst preinst prerm postrm}) {
+				autoscript($package, $script, "maintscript-helper",
+					   "s!#PARAMS#!$params!g");
+			}
+		}
+	}
+
 	# Install debian scripts.
 	foreach my $script (qw{postinst preinst prerm postrm}) {
 		debhelper_script_subst($package, $script);