[projects/geninitrd] Add support for zstd(.spec) compression.

[arekm]

commit 60086bea663782db0e65205f248683620f7ece5f
Author: Arkadiusz Miśkiewicz <arekm at maven.pl>
Date:   Mon Nov 13 10:29:41 2017 +0100

    Add support for zstd(.spec) compression.

 geninitrd | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/geninitrd b/geninitrd
index 1649787..0a18298 100755
--- a/geninitrd
+++ b/geninitrd
@@ -46,7 +46,7 @@ proc_partitions=no
 usage() {
 	echo "Usage: $PROGRAM [--version] [-v] [-f] [--ifneeded] [--preload <module>]"
 	echo "       [--with=<module>] [--image-version] [--fstab=<fstab>] [--nocompress]"
-	echo "       [--compress=yes|xz|lzma|bzip2|gzip|lzo]"
+	echo "       [--compress=yes|zstd|xz|lzma|bzip2|gzip|lzo]"
 	echo "       [--nostrip ] [--strip PATH/strip] [--strip=PATH/strip]"
 	echo "       [--initrdfs=rom|initramfs|ext2|cram] [--modules-conf=<modules.conf>]"
 	echo "       [--with-bootsplash] [--without-bootsplash]"
@@ -1089,7 +1089,7 @@ sym_exists() {
 # find best compressor (or forced one) for initrd
 find_compressor() {
 	local mode="$1"
-	local compressors='xz lzma bzip2 gzip lzo'
+	local compressors='zstd xz lzma bzip2 gzip lzo'
 
 	# a specified one, take it
 	if ! is_yes "$mode"; then
@@ -1121,6 +1121,10 @@ find_compressor() {
 			sym=unlzo
 			prog=/usr/bin/lzop
 			;;
+		zstd)
+			sym=zstd
+			prog=/usr/bin/zstd
+			;;
 		none|no)
 			# any existing sym will work
 			sym=initrd_load
@@ -1163,6 +1167,9 @@ compress_image() {
 	lzo)
 		lzop -9 < "$IMAGE" > "$tmp" || return $?
 		;;
+	zstd)
+		zstd -9 < "$IMAGE" > "$tmp" || return $?
+		;;
 	none|no)
 		cat < "$IMAGE" > "$tmp" || return $?
 		;;
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/projects/geninitrd.git/commitdiff/60086bea663782db0e65205f248683620f7ece5f