scripts: ubinize-image.sh: fix on POSIX shell, allow custom images

[openwrt/staging/stintel.git] / scripts / ubinize-image.sh

diff --git a/scripts/ubinize-image.sh b/scripts/ubinize-image.sh
index cd516e8afc5c2d3d6d839914d9579faaefc7dd85..06a6310980177a7104b067de5cb9becd06aa432b 100755 (executable)
--- a/scripts/ubinize-image.sh
+++ b/scripts/ubinize-image.sh
@@ -12,10 +12,10 @@ err=""
 ubinize_seq=""
 
 ubivol() {
-       local volid=$1
-       local name=$2
-       local image=$3
-       local autoresize=$4
+       local volid="$1"
+       local name="$2"
+       local image="$3"
+       local autoresize="$4"
        local size="$5"
        local voltype="${6:-dynamic}"
        echo "[$name]"
@@ -36,16 +36,17 @@ ubivol() {
 
 ubilayout() {
        local vol_id=0
-       local rootsize=
-       local autoresize=
-       local rootfs_type="$( get_fs_type "$2" )"
+       local rootsize
+       local autoresize
+       local rootfs_type
        local voltype
 
+       rootfs_type="$( get_fs_type "$2" )"
        if [ "$1" = "ubootenv" ]; then
                ubivol $vol_id ubootenv
-               vol_id=$(( $vol_id + 1 ))
+               vol_id=$(( vol_id + 1 ))
                ubivol $vol_id ubootenv2
-               vol_id=$(( $vol_id + 1 ))
+               vol_id=$(( vol_id + 1 ))
        fi
        for part in $parts; do
                name="${part%%=*}"
@@ -55,9 +56,9 @@ ubilayout() {
                [ "$prev" = "$part" ] && part=
 
                image="${part%%=*}"
-               if [ "${image:0:1}" = ":" ]; then
+               if [ "${image#:}" != "$image" ]; then
                        voltype=static
-                       image="${image:1}"
+                       image="${image#:}"
                fi
                prev="$part"
                part="${part#*=}"
@@ -71,11 +72,11 @@ ubilayout() {
                fi
 
                ubivol $vol_id "$name" "$image" "" "${size}" "$voltype"
-               vol_id=$(( $vol_id + 1 ))
+               vol_id=$(( vol_id + 1 ))
        done
        if [ "$3" ]; then
                ubivol $vol_id kernel "$3"
-               vol_id=$(( $vol_id + 1 ))
+               vol_id=$(( vol_id + 1 ))
        fi
 
        if [ "$2" ]; then
@@ -91,7 +92,7 @@ ubilayout() {
                esac
                ubivol $vol_id rootfs "$2" "$autoresize" "$rootsize" dynamic
 
-               vol_id=$(( $vol_id + 1 ))
+               vol_id=$(( vol_id + 1 ))
                [ "$rootfs_type" = "ubifs" ] || ubivol $vol_id rootfs_data "" 1 dymamic
        fi
 }
@@ -128,7 +129,7 @@ while [ "$1" ]; do
                continue
                ;;
        "-"*)
-               ubinize_param="$@"
+               ubinize_param="$*"
                break
                ;;
        *)
@@ -141,7 +142,7 @@ while [ "$1" ]; do
        esac
 done
 
-if [ ! -r "$rootfs" -a ! -r "$kernel" -a ! "$outfile" ]; then
+if [ ! -r "$rootfs" ] && [ ! -r "$kernel" ] && [ ! "$parts" ] && [ ! "$outfile" ]; then
        echo "syntax: $0 [--uboot-env] [--part <name>=<file>] [--kernel kernelimage] [--rootfs rootfsimage] out [ubinize opts]"
        exit 1
 fi