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

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

diff --git a/lustre/kernel_patches/scripts/pushpatch b/lustre/kernel_patches/scripts/pushpatch
new file mode 100755 (executable)
index 0000000..018716d
--- /dev/null
+++ b/lustre/kernel_patches/scripts/pushpatch
@@ -0,0 +1,84 @@
+#!/bin/sh
+
+#
+# Add next patch in series
+#
+
+. 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 "Usage: pushpatch [npatches]"
+       exit 1
+}
+
+opt_force=0
+
+for i in $*
+do
+       case "$i" in
+       -f)
+               opt_force=1;;
+       *)
+               if [ -n "$NR" -o -n "$STOP_AT" ]
+               then
+                       usage
+               fi
+               if is_numeric $i
+               then
+                       NR=$i
+               else
+                       NR=1000
+                       STOP_AT=$(stripit $i)
+               fi;;
+       esac
+done
+
+[ $opt_force = 1 ] && force="-f"
+
+SERIES=series
+
+if [ ! -e $SERIES ]
+then
+       echo 'File "series" not found'
+       exit 1
+fi
+
+push_one()
+{
+       top=$(toppatch)
+       if [ x"$top" == x ]
+       then
+               todo=$(head -1 $SERIES)
+       else
+               last_in_series=$(stripit $(tail -1 $SERIES))
+               if [ $last_in_series == $top ]
+               then
+                       echo "Series fully applied.  Ends at $top"
+                       exit 0
+               fi
+               todo=$(grep -C1 "^$top\.patch" $SERIES | tail -1)
+               if [ x$todo = x ]
+               then
+                       todo=$(head -1 $SERIES)
+               fi
+       fi
+
+       apatch $force $todo
+}
+
+for i in $(seq 1 $NR)
+do
+       push_one
+       if [ x$STOP_AT != "x" ]
+       then
+               if [ $STOP_AT == $(toppatch) ]
+               then
+                       exit 0
+               fi
+       fi
+done