1 files changed, 70 insertions, 0 deletions
diff --git a/quilt/previous.in b/quilt/previous.in
new file mode 100644
index 0000000..45d4ce8
--- /dev/null
+++ b/quilt/previous.in
@@ -0,0 +1,70 @@
+#!/bin/bash
+
+#  This script is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License version 2 as
+#  published by the Free Software Foundation.
+#
+#  See the COPYING and AUTHORS files for more details.
+
+# Read in library functions
+if [ "$(type -t patch_file_name)" != function ]
+then
+	if ! [ -r @LIB@/patchfns ]
+	then
+		echo "Cannot read library @LIB@/patchfns" >&2
+		exit 1
+	fi
+	. @LIB@/patchfns
+fi
+
+usage()
+{
+	echo "Usage: quilt previous [patch]"
+	if [ x$1 = x-h ]
+	then
+		cat <<EOF
+
+Print the name of the previous patch before the specified or topmost
+patch in the series file.
+
+EOF
+		exit 0
+	else
+		exit 1
+	fi
+}
+
+options=`getopt -o h -- "$@"`
+
+if [ $? -ne 0 ]
+then
+	usage
+fi
+
+eval set -- "$options"
+
+while true
+do
+	case "$1" in
+	-h)
+		usage -h ;;
+	--)
+		shift
+		break ;;
+	esac
+done
+
+if [ $# -gt 1 ]
+then
+	usage
+elif [ $# -eq 1 ]
+then
+	patch=$(stripit $1)
+else
+	patch=$(top_patch)
+fi
+
+if [ -n "$patch" ]
+then
+	patches_before $patch | tail -1
+fi