- bring in akpm's patch management scripts and a first cut at

[fs/lustre-release.git] / lustre / kernel_patches / scripts / pcpatch

diff --git a/lustre/kernel_patches/scripts/pcpatch b/lustre/kernel_patches/scripts/pcpatch
new file mode 100755 (executable)
index 0000000..fa53385
--- /dev/null
+++ b/lustre/kernel_patches/scripts/pcpatch
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+. patchfns >/dev/null || . /usr/lib/patch-scripts/patchfns >/dev/null || { \
+       echo "Impossible to find my library 'patchfns'."
+       echo "Check your install, or go to the right directory"
+       exit 1
+}
+
+usage()
+{
+       echo "pcpatch: recreate the pc file from patches/{patchname}.patch"
+       exit 1
+}
+
+doit()
+{
+       echo $* 1>&2
+       $* || {
+               echo oops
+               exit 1 
+       }
+}
+
+if [ $# != 1 -o "$1" = "help" ]
+then
+       usage
+fi
+PATCH=$1
+PATCH_NAME=$(stripit $PATCH)
+PC=$P/pc/$PATCH_NAME.pc
+
+if [ ! -e $P/patches/$PATCH_NAME.patch ] 
+then
+       echo "$P/patches/$PATCH_NAME.patch does not exist"
+       exit 1
+fi
+
+if is_applied "$PATCH"
+then
+       echo $PATCH is applied!
+       exit 1
+fi
+
+touched-by-patch $P/patches/$PATCH_NAME.patch > $PC
+echo Recreated $PC