makepkg: Extract from any file bsdtar can recognize

If "file -bizL" does not return a supported type, check if the file is
recognized by bsdtar and if yes extract from it.

Dan: use '-q' option to prevent needing to seek the entire archive.

Signed-off-by: Nezmer <git@nezmer.info>
Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 6763b6e0..678359f8 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -682,9 +682,12 @@ extract_sources() {
 					*) continue;;
 				esac ;;
 			*)
-				# Don't know what to use to extract this file,
-				# skip to the next file
-				continue;;
+				# See if bsdtar can recognize the file
+				if bsdtar -tf "$file" -q '*' &>/dev/null; then
+					cmd="bsdtar"
+				else
+					continue
+				fi ;;
 		esac
 
 		local ret=0