- make HEAD from b_post_cmd3

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

diff --git a/lustre/kernel_patches/scripts/apatch b/lustre/kernel_patches/scripts/apatch
new file mode 100755 (executable)
index 0000000..be1c68e
--- /dev/null
+++ b/lustre/kernel_patches/scripts/apatch
@@ -0,0 +1,97 @@
+#!/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
+}
+do_apply()
+{
+       FILES=$(cat $P/pc/$PATCH_NAME.pc)
+       for file in $FILES
+       do
+               copy_file_to_bup $file $PATCH_NAME
+       done
+
+       silent=-s
+       if [ $opt_force != 0 ]
+       then
+               silent=
+       fi
+
+       if patch -p1 $silent -i "$1" || [ $opt_force != 0 ]
+       then
+               true
+       else
+               echo SOMETHING WENT WRONG
+               exit 1
+       fi
+}
+
+add_to_db()
+{
+       basename "$1" >> "$DB"
+}
+
+usage()
+{
+       echo "Usage: apatch patchname"
+       exit 1
+}
+
+opt_force=0
+PATCH_NAMES=""
+
+for i in $*
+do
+       case "$i" in
+       -f)
+               opt_force=1;;
+       *)
+               PATCH_NAMES="$PATCH_NAMES $i"
+       esac
+done
+
+if [ x"$PATCH_NAMES" == x ]
+then
+       usage
+fi
+
+apatch()
+{
+       PATCH_NAME=$(stripit $1)
+
+       need_file_there $P/pc/$PATCH_NAME.pc
+
+       if is_applied "$PATCH_NAME"
+       then
+               echo "$PATCH_NAME" is already applied
+               exit 1
+       fi
+       
+       if [ $opt_force != 0 ]
+       then
+               echo FORCING PATCH
+       fi
+
+       if [ $opt_force != 0 ] || can_apply $P/patches/"$PATCH_NAME".patch
+       then
+               check_pc_match $P/patches/"$PATCH_NAME".patch $P/pc/"$PATCH_NAME".pc 
+               do_apply $P/patches/"$PATCH_NAME".patch
+               add_to_db "$PATCH_NAME"
+               echo applied $PATCH_NAME
+               echo
+       else
+               echo "$PATCH_NAME" does not apply
+               exit 1
+       fi
+}
+
+for i in $PATCH_NAMES
+do
+       if ! apatch $i
+       then
+               exit 1
+       fi
+done
+