libmakepkg: Support zstd decompression for sources

This enables us to extract files in the source array and ensures that we
can decompress files if the uncompressed signature is served.

Signed-off-by: Morten Linderud <morten@linderud.pw>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/scripts/libmakepkg/source/file.sh.in b/scripts/libmakepkg/source/file.sh.in
index b29aeb04..cbaab315 100644
--- a/scripts/libmakepkg/source/file.sh.in
+++ b/scripts/libmakepkg/source/file.sh.in
@@ -118,6 +118,11 @@ extract_file() {
 				xz) cmd="xz" ;;
 				*) return;;
 			esac ;;
+		*application/zstd*)
+			case "$ext" in
+				zst) cmd="zstd" ;;
+				*) return;;
+			esac ;;
 		*)
 			# See if bsdtar can recognize the file
 			if bsdtar -tf "$file" -q '*' &>/dev/null; then