1 files changed, 51 insertions, 0 deletions
diff --git a/lsinitramfs b/lsinitramfs
new file mode 100755
index 0000000..91c65e1
--- /dev/null
+++ b/lsinitramfs
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+set -eu
+
+usage()
+{
+	echo "Usage: $(basename $0) <initramfs file>"
+}
+
+if [ "$#" -eq 0 ] ; then
+	usage >&2
+	exit 1
+fi
+
+cpio_args="--extract --quiet --list"
+
+OPTIONS=`getopt -o hl --long help,long -n "$0" -- "$@"`
+# Check for non-GNU getopt
+if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 1 ; fi
+
+eval set -- "$OPTIONS"
+
+while true; do
+        case "$1" in
+        -h|--help)
+		usage
+		exit 0
+	;;
+	-l|--long)
+		cpio_args="${cpio_args:+${cpio_args} --verbose}"
+		shift
+	;;
+	--)
+		shift
+		break
+	;;
+	*)
+		echo "Internal error!" >&2
+		exit 1
+	esac
+done
+
+for initramfs in "$@" ; do
+	if ! [ -r "${initramfs}" ] ; then
+		echo "Specified file could not be read." >&2
+		exit 1
+	else
+		echo "${initramfs}"
+		zcat "${initramfs}" | cpio ${cpio_args}
+		fi
+done