From b4cf7b309e8d8dc2ebbc6501ef205091322ab659 Mon Sep 17 00:00:00 2001
From: Simon Wilson <simonwilson@google.com>
Date: Wed, 17 Jun 2015 12:36:53 -0700
Subject: Add switches for compressor

Change-Id: I297321db3996d07e9eba3edc0b2837c8d221ab1a
---
 squashfs_utils/mksquashfsimage.sh | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/squashfs_utils/mksquashfsimage.sh b/squashfs_utils/mksquashfsimage.sh
index 7f96cb1f..06860926 100755
--- a/squashfs_utils/mksquashfsimage.sh
+++ b/squashfs_utils/mksquashfsimage.sh
@@ -5,7 +5,7 @@
 function usage() {
 cat<<EOT
 Usage:
-${0##*/} SRC_DIR OUTPUT_FILE [-m MOUNT_POINT] [-c FILE_CONTEXTS] [-b BLOCK_SIZE]
+${0##*/} SRC_DIR OUTPUT_FILE [-m MOUNT_POINT] [-c FILE_CONTEXTS] [-b BLOCK_SIZE] [-z COMPRESSOR] [-zo COMPRESSOR_OPT]
 EOT
 }
 
@@ -42,6 +42,19 @@ if [[ "$1" == "-b" ]]; then
     shift; shift
 fi
 
+COMPRESSOR="lz4"
+COMPRESSOR_OPT="-Xhc"
+if [[ "$1" == "-z" ]]; then
+    COMPRESSOR=$2
+    COMPRESSOR_OPT=
+    shift; shift
+fi
+
+if [[ "$1" == "-zo" ]]; then
+    COMPRESSOR_OPT=$2
+    shift; shift
+fi
+
 OPT=""
 if [ -n "$MOUNT_POINT" ]; then
   OPT="$OPT -mount-point $MOUNT_POINT"
@@ -53,7 +66,7 @@ if [ -n "$BLOCK_SIZE" ]; then
   OPT="$OPT -b $BLOCK_SIZE"
 fi
 
-MAKE_SQUASHFS_CMD="mksquashfs $SRC_DIR $OUTPUT_FILE -no-progress -comp lz4 -Xhc -no-exports -noappend -no-recovery -android-fs-config $OPT"
+MAKE_SQUASHFS_CMD="mksquashfs $SRC_DIR $OUTPUT_FILE -no-progress -comp $COMPRESSOR $COMPRESSOR_OPT -no-exports -noappend -no-recovery -android-fs-config $OPT"
 echo $MAKE_SQUASHFS_CMD
 $MAKE_SQUASHFS_CMD
 if [ $? -ne 0 ]; then
-- 
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