lustre/kernel_patches/scripts/trypatch

   1 #!/bin/sh
   2
   3 #
   4 # Fork the next patch in the series
   5 #
   6
   7 . patchfns >/dev/null || . /usr/lib/patch-scripts/patchfns >/dev/null || { \
   8         echo "Impossible to find my library 'patchfns'."
   9         echo "Check your install, or go to the right directory"
  10         exit 1
  11 }
  12
  13 usage()
  14 {
  15         echo "Usage: trypatch <newname>"
  16         exit 1
  17 }
  18
  19 if [ $# -ne 1 ]
  20 then
  21         usage
  22 fi
  23
  24 NEW=$1
  25 BASE=`stripit $NEW`
  26 SERIES=series
  27
  28 if [ ! -e $SERIES ]
  29 then
  30         echo 'File "series" not found'
  31         exit 1
  32 fi
  33
  34 if  grep $BASE $SERIES >& /dev/null  ; then
  35         echo "Patch $NEW already exists in series"
  36         exit 1
  37 fi
  38
  39 if [ ! -f $P/patches/$BASE.patch ] ; then
  40         echo "Patch $NEW doesn't exist as a file"
  41         exit 1
  42 fi
  43
  44 $TMPSERIES=$(mktemp /tmp/series-XXXXXXXX)
  45 top=$(toppatch)
  46 if [ x"$top" == x ]
  47 then
  48         todo=$(head -1 $SERIES)
  49 else
  50         last_in_series=$(stripit $(tail -1 $SERIES))
  51         if [ $last_in_series == $top ]
  52         then
  53                 echo "Series fully applied.  Ends at $top"
  54                 exit 0
  55         fi
  56         todo=$(grep -C1 "^$top\.patch" $SERIES | tail -1)
  57         if [ x$todo = x ]
  58         then
  59                 todo=$(head -1 $SERIES)
  60         fi
  61 fi
  62
  63 if  patch -p1 -i $P/patches/$BASE.patch ; then
  64     patch -R -p1 -i $P/patches/$BASE.patch
  65
  66     $basetodo=$(basename $todo)
  67     sed "s/$todo/$BASE/" < $SERIES > $TMPSERIES
  68     mv -f $TMPSERIES $SERIES
  69     echo "Replaced $todo with $BASE"
  70 else
  71     echo "Failed to replace $todo with $BASE"
  72 fi