lustre/kernel_patches/scripts/mpatch

   1 #!/bin/sh
   2
   3 . patchfns >/dev/null || . /usr/lib/patch-scripts/patchfns >/dev/null || { \
   4         echo "Impossible to find my library 'patchfns'."
   5         echo "Check your install, or go to the right directory"
   6         exit 1
   7 }
   8
   9 usage()
  10 {
  11         echo "Usage: mpatch patchname [output_dir]"
  12         exit 1
  13 }
  14
  15 doit()
  16 {
  17         echo $* 1>&2
  18         $* || {
  19                 echo oops
  20                 exit 1
  21         }
  22 }
  23
  24 epoch()
  25 {
  26 #       doit touch -t 7001011000.00 $1
  27         doit touch -t 7001010000.00 $1
  28 }
  29
  30 dirfor()
  31 {
  32         dir=$(dirname $1)
  33         if [ ! -d $dir ]
  34         then
  35                 doit mkdir -p $dir
  36                 RMDIRS="$RMDIRS $dir"
  37         fi
  38 }
  39
  40 if [ $# == 0 ]
  41 then
  42         usage
  43 fi
  44
  45 PATCH_NAME=$(stripit $1)
  46 OUTPUT_DIR=$2
  47
  48 FILES=$(cat $P/pc/$PATCH_NAME.pc)
  49 OUT=$P/patches/$PATCH_NAME.patch
  50 TMPOUT=$(mktemp /tmp/patch-$PATCH_NAME-XXXXXX)
  51 TXT=$P/txt/$PATCH_NAME.txt
  52 OLDDIR=$(basename $(/bin/pwd))
  53 NEWDIR=$OLDDIR-$LOGNAME
  54
  55 if is_applied_last $PATCH_NAME
  56 then
  57         true
  58 else
  59         echo $PATCH_NAME is not the last-applied patch
  60         exit 1
  61 fi
  62
  63 doit rm -f $OUT
  64 echo "Placing patch in " $OUT
  65
  66 if [ -e $TXT -a -s $TXT ]
  67 then
  68         echo >> $OUT
  69         body $TXT >> $OUT
  70         echo >> $OUT
  71         echo >> $OUT
  72 else
  73         echo "**** No patch description for $PATCH_NAME ****"
  74 fi
  75
  76 rm -f $TMPOUT
  77
  78 for file in $FILES
  79 do
  80         OLD_FILE="$file"~"$PATCH_NAME"
  81         if [ ! -e $OLD_FILE ]
  82         then
  83                 OLD_FILE=/dev/null
  84         fi
  85         NEW_FILE=$file
  86         XDIFF_OPTS=""
  87         if [ ! -e $NEW_FILE ]
  88         then
  89                 NEW_FILE=/dev/null
  90                 XDIFF_OPTS="-L $file"
  91         fi
  92
  93         echo diff -puN $XDIFF_OPTS $DIFF_OPTS $OLD_FILE $NEW_FILE
  94         diff -puN $XDIFF_OPTS $DIFF_OPTS $OLD_FILE $NEW_FILE | p0-2-p1 $OLDDIR $NEWDIR >> $TMPOUT
  95 done
  96 diffstat -p1 $TMPOUT >> $OUT 2>/dev/null
  97 echo >> $OUT
  98 cat $TMPOUT >> $OUT
  99 echo >> $OUT
 100 echo "_" >> $OUT
 101 rm -f $TMPOUT