build: clean up stale files from a previous build when installing a package build to the staging dir

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

Backport of r36755

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@36916 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 24 insertions, 0 deletions

diff --git a/scripts/clean-package.sh b/scripts/clean-package.sh
new file mode 100755
index 0000000000..d1a257889d
--- /dev/null
+++ b/scripts/clean-package.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+[ -n "$1" -a -n "$2" ] || {
+	echo "Usage: $0 <file> <directory>"
+	exit 1
+}
+[ -f "$1" -a -d "$2" ] || {
+	echo "File/directory not found"
+	exit 1
+}
+cat "$1" | (
+	cd "$2"
+	while read entry; do
+		[ -n "$entry" ] || break
+		[ -f "$entry" ] && rm -f $entry
+	done
+)
+cat "$1" | (
+	cd "$2"
+	while read entry; do
+		[ -n "$entry" ] || break
+		[ -d "$entry" ] && rmdir "$entry" > /dev/null 2>&1
+	done
+)
+true