Add Android build script
Change-Id: I3e97e1040003728483ab73ef222c06b59800a2f3
diff --git a/Android.bp b/Android.bp
index 55bdc36..4a7f67d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -58,3 +58,12 @@
],
}
+sh_binary_host {
+ name: "mkerofsimage.sh",
+ src: "mkerofsimage.sh",
+ required: [
+ "img2simg",
+ "mkfs.erofs",
+ ],
+}
+
diff --git a/mkerofsimage.sh b/mkerofsimage.sh
new file mode 100755
index 0000000..be74782
--- /dev/null
+++ b/mkerofsimage.sh
@@ -0,0 +1,93 @@
+#!/bin/bash
+#
+# To call this script, make sure mkfs.erofs is somewhere in PATH
+
+function usage() {
+cat<<EOT
+Usage:
+${0##*/} SRC_DIR OUTPUT_FILE [-s] [-m MOUNT_POINT] [-d PRODUCT_OUT] [-C FS_CONFIG ] [-c FILE_CONTEXTS] [-z COMPRESSOR]
+EOT
+}
+
+echo "in mkerofsimage.sh PATH=$PATH"
+
+if [ $# -lt 2 ]; then
+ usage
+ exit 1
+fi
+
+SRC_DIR=$1
+if [ ! -d $SRC_DIR ]; then
+ echo "Can not find directory $SRC_DIR!"
+ exit 2
+fi
+OUTPUT_FILE=$2
+shift; shift
+
+SPARSE=false
+if [[ "$1" == "-s" ]]; then
+ SPARSE=true
+ shift;
+fi
+
+MOUNT_POINT=
+if [[ "$1" == "-m" ]]; then
+ MOUNT_POINT=$2
+ shift; shift
+fi
+
+PRODUCT_OUT=
+if [[ "$1" == "-d" ]]; then
+ PRODUCT_OUT=$2
+ shift; shift
+fi
+
+FS_CONFIG=
+if [[ "$1" == "-C" ]]; then
+ FS_CONFIG=$2
+ shift; shift
+fi
+
+FILE_CONTEXTS=
+if [[ "$1" == "-c" ]]; then
+ FILE_CONTEXTS=$2
+ shift; shift
+fi
+
+COMPRESSOR="lz4hc"
+if [[ "$1" == "-z" ]]; then
+ COMPRESSOR=$2
+ shift; shift
+fi
+
+OPT=""
+if [ -n "$MOUNT_POINT" ]; then
+ OPT="$OPT --mount-point $MOUNT_POINT"
+fi
+if [ -n "$PRODUCT_OUT" ]; then
+ OPT="$OPT --product-out $PRODUCT_OUT"
+fi
+if [ -n "$FS_CONFIG" ]; then
+ OPT="$OPT --fs-config-file $FS_CONFIG"
+fi
+if [ -n "$FILE_CONTEXTS" ]; then
+ OPT="$OPT --file-contexts $FILE_CONTEXTS"
+fi
+
+MAKE_EROFS_CMD="mkfs.erofs -z $COMPRESSOR $OPT $OUTPUT_FILE $SRC_DIR"
+echo $MAKE_EROFS_CMD
+$MAKE_EROFS_CMD
+
+if [ $? -ne 0 ]; then
+ exit 4
+fi
+
+SPARSE_SUFFIX=".sparse"
+if [ "$SPARSE" = true ]; then
+ img2simg $OUTPUT_FILE $OUTPUT_FILE$SPARSE_SUFFIX
+ if [ $? -ne 0 ]; then
+ exit 4
+ fi
+ mv $OUTPUT_FILE$SPARSE_SUFFIX $OUTPUT_FILE
+fi
+
