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

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

diff --git a/lustre/kernel_patches/scripts/import_patch b/lustre/kernel_patches/scripts/import_patch
new file mode 100755 (executable)
index 0000000..f818f19
--- /dev/null
+++ b/lustre/kernel_patches/scripts/import_patch
@@ -0,0 +1,102 @@
+#!/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 "usage: import_patch [ -p prefix-pattern ] patchfile [...]" 1>&2
+       exit 1
+}
+
+XPATTERN=""
+if [ "$1" = "-p" ]
+then
+       XPATTERN="$2"
+       shift; 
+       shift;
+fi
+
+if [ "$1" = "" ]
+then
+       usage
+fi
+
+if [ ! -e applied-patches ]
+then
+       touch applied-patches
+fi
+
+mkdir -p patches || exit 1
+mkdir -p txt || exit 1
+mkdir -p pc || exit 1
+
+if [ ! -e ./series ]
+then
+       touch ./series
+       if [ "$?" != "0" ]
+       then
+               echo "Cannot create ./series" 1>&2
+               exit 1
+       fi
+fi
+
+if [ ! -w ./series ]
+then
+       echo "./series is not writable." 1>&2
+       exit 1
+fi
+
+PATTERN='s/^'"$XPATTERN"'//'
+for x in $* 
+do
+       if [ ! -r "$x" ]
+       then
+               echo "$x does not exist, skipping." 1>&2
+               continue
+       fi
+       patchname=`basename $x .bz2`
+       patchname=`basename $patchname .gz`
+       patchname=`basename $patchname .Z`
+       patchname=`basename $patchname .patch`
+       if is_applied $patchname
+       then
+               echo $patchname is currently applied
+               exit 1
+       fi
+       if [ "$XPATTERN" != "" ]
+       then
+               patchname=`echo $patchname | sed -e "$PATTERN"`
+       fi
+       pname=$P/patches/"$patchname".patch
+       if [ -r "$pname" ]
+       then
+               echo "$pname exists already, skipping." 1>&2
+               continue
+       fi
+       case "$x" in
+       *.bz2) 
+               bunzip2 < "$x" > "$pname"
+               ;;
+       *.gz)
+               gunzip < "$x" > "$pname"
+               ;;
+       *.Z)    zcat < "$z" > "$pname"
+               ;;
+       *)      
+               cat "$x" > "$pname" || continue 
+               ;;
+       esac
+       echo "$patchname".patch >> series
+       pcpatch "$pname"
+       extract_description < "$pname" >$P/txt/"$patchname".txt
+       grep '^[(]undescribed patch[)]$' < $P/txt/"$patchname".txt > /dev/null
+       if [ "$?" = "0" ]
+       then
+               echo "Warning: $patchname has no description." 1>&2
+       fi
+done
+