lustre/kernel_patches/scripts/rpatch

   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 # do_remove()
  10 # {
  11 #       if patch -R -p1 -s -i $P/patches/"$1".patch
  12 #       then
  13 #               true
  14 #       else
  15 #               echo SOMETHING WENT WRONG
  16 #               exit 1
  17 #       fi
  18 # }
  19
  20 do_remove()
  21 {
  22         FILES=$(cat $P/pc/$1.pc)
  23         for file in $FILES ; do
  24             base_dir=`pwd`
  25             if [ -L "$file"~"orig" ]; then
  26                 if [ `readlink "$file"~"orig"` = "$base_dir/""$file"~"$1" ]; then
  27                     rm -rf "$file"~"orig"
  28                 fi
  29             fi
  30             if [ -f "$file"~"$1" ]; then
  31                 mv -f "$file"~"$1" "$file"
  32             else
  33                 rm -f "$file"
  34             fi
  35         done
  36         true
  37 }
  38
  39 kill_old_ones()
  40 {
  41         FILES=$(cat $P/pc/$1.pc)
  42         for file in $FILES
  43         do
  44                 rm -f "$file"~"$1"
  45         done
  46 }
  47
  48 usage()
  49 {
  50         echo "Usage: rpatch patchname"
  51         exit 1
  52 }
  53
  54 if [ $# == 0 ]
  55 then
  56         usage
  57 fi
  58
  59 PATCH_NAME=$(stripit $1)
  60
  61 warn_top_current
  62 if is_applied "$PATCH_NAME"
  63 then
  64 #       if can_remove "$PATCH_NAME"
  65 #       then
  66                 if [ ! -f $P/pc/$PATCH_NAME.pc ]; then
  67                         exit 1
  68                 fi
  69                 do_remove "$PATCH_NAME"
  70                 kill_old_ones "$PATCH_NAME"
  71                 remove_from_db "$PATCH_NAME"
  72 #       else
  73 #               echo "$PATCH_NAME" does not remove cleanly
  74 #               exit 1
  75 #       fi
  76 else
  77         echo "$PATCH_NAME" is not applied
  78         exit 1
  79 fi
  80
  81 top=$(top_patch)
  82 if [ x"$top" == x ]
  83 then
  84         msg="no patches applied"
  85 else
  86         msg="now at $top"
  87 fi
  88
  89 echo Removed $PATCH_NAME, $msg
  90