makepkg: allow specifying compression options

Adds the ability to override the commands used to compressing
compiled and source packages.  This is useful for those wanting
to use alternative implementations of the compression tools or
non-default compression options.

Allan: documented options in man page

Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 6e7a5562..48f7f7ec 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -1294,10 +1294,10 @@ create_package() {
 	# Disable bsdtar compression and use gzip -n for now.
 	bsdtar -cf - $comp_files * |
 	case "$PKGEXT" in
-		*tar.gz)  gzip -c -f -n ;;
-		*tar.bz2) bzip2 -c -f ;;
-		*tar.xz)  xz -c -z - ;;
-		*tar.Z)   compress -c -f ;;
+		*tar.gz)  ${COMPRESSGZ[@]:-gzip -c -f -n} ;;
+		*tar.bz2) ${COMPRESSBZ2[@]:-bzip2 -c -f} ;;
+		*tar.xz)  ${COMPRESSXZ[@]:-xz -c -z -} ;;
+		*tar.Z)   ${COMPRESSZ[@]:-compress -c -f} ;;
 		*tar)     cat ;;
 		*) warning "$(gettext "'%s' is not a valid archive extension.")" \
 			"$PKGEXT"; cat ;;