[PATCH] import-tars: Add support for tarballs compressed with lzma, xz

[Ingmar Vanhassel <ingmar@exherbo.org>]

Also handle the extensions .tlz and .txz, aliases for .tar.lzma and
.tar.xz respectively.

Signed-off-by: Ingmar Vanhassel <ingmar@exherbo.org>
---
 contrib/fast-import/import-tars.perl |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

> Nice!  Maybe you want to mention in the commit message that it handles
> also .txz and .tlz, for convenience.  (I was looking specifically for that
> support in the patch, fully prepared to suggest to add it...)

Right, thanks!

diff --git a/contrib/fast-import/import-tars.perl b/contrib/fast-import/import-tars.perl
index 7001862..95438e1 100755
--- a/contrib/fast-import/import-tars.perl
+++ b/contrib/fast-import/import-tars.perl
@@ -20,7 +20,7 @@ use Getopt::Long;
 
 my $metaext = '';
 
-die "usage: import-tars [--metainfo=extension] *.tar.{gz,bz2,Z}\n"
+die "usage: import-tars [--metainfo=extension] *.tar.{gz,bz2,lzma,xz,Z}\n"
 	unless GetOptions('metainfo=s' => \$metaext) && @ARGV;
 
 my $branch_name = 'import-tars';
@@ -49,6 +49,9 @@ foreach my $tar_file (@ARGV)
 	} elsif ($tar_name =~ s/\.tar\.Z$//) {
 		open(I, '-|', 'uncompress', '-c', $tar_file)
 			or die "Unable to uncompress -c $tar_file: $!\n";
+	} elsif ($tar_name =~ s/\.(tar\.(lzma|xz)|(tlz|txz))$//) {
+		open(I, '-|', 'xz', '-dc', $tar_file)
+			or die "Unable to xz -dc $tar_file: $!\n";
 	} elsif ($tar_name =~ s/\.tar$//) {
 		open(I, $tar_file) or die "Unable to open $tar_file: $!\n";
 	} else {
-- 
1.6.5.1