lustre/kernel_patches/scripts/new-kernel

   1 #!/bin/sh
   2
   3 usage()
   4 {
   5         echo "Usage: new-kernel linux-2.4.2-pre2 linux-2.4.3-pre3 linux-2.4.3 patch.gz cvs-dir"
   6         exit 1
   7 }
   8
   9 wantdir()
  10 {
  11         if [ x$1 = x ]
  12         then
  13                 usage
  14         fi
  15         if [ ! -d $1 ]
  16         then
  17                 echo "directory $1 does not exist"
  18                 usage
  19         fi
  20 }
  21
  22 wantfile()
  23 {
  24         if [ x$1 = x ]
  25         then
  26                 usage
  27         fi
  28         if [ ! -f $1 ]
  29         then
  30                 echo "file $1 does not exist"
  31                 usage
  32         fi
  33 }
  34
  35 doit()
  36 {
  37         echo $* 1>&2
  38         $* || {
  39                 echo oops
  40                 exit 1
  41         }
  42 }
  43
  44
  45 CURRENT_KERNEL=$1
  46 NEXT_KERNEL=$2
  47 BASE_KERNEL=$3
  48 PATCH_FILE=$4
  49 CVS_DIR=$5
  50
  51 TEMP_PATCH=$(mktemp /tmp/patch-XXXXXX)
  52 MY_DIFF="$CURRENT_KERNEL"--"$NEXT_KERNEL"
  53
  54 wantdir $CURRENT_KERNEL
  55 wantdir $BASE_KERNEL
  56 wantdir $CVS_DIR
  57 wantfile $PATCH_FILE
  58
  59 doit rm -rf $NEXT_KERNEL
  60 doit cp -a $BASE_KERNEL $NEXT_KERNEL
  61 doit rm -f $TEMP_PATCH
  62 doit gunzip < $PATCH_FILE > $TEMP_PATCH
  63 cd $NEXT_KERNEL
  64 doit patch -p1 --dry-run -i $TEMP_PATCH
  65 doit patch -p1 -s -i $TEMP_PATCH
  66 echo cd ..
  67 cd ..
  68
  69 echo diff -uNrp $CURRENT_KERNEL $NEXT_KERNEL
  70 diff -uNrp $CURRENT_KERNEL $NEXT_KERNEL > $MY_DIFF
  71
  72 echo cd $CVS_DIR
  73 cd $CVS_DIR
  74 doit patch -p1 --dry-run -s -i ../$MY_DIFF
  75 doit patch -p1 -s -i ../$MY_DIFF
  76 cvs-take-patch ../$MY_DIFF
  77 cvs commit -m "'doing $NEXT_KERNEL'"
  78 cvs update -ko -d -P
  79
  80 TAG=$(echo $NEXT_KERNEL | sed -e 's@\.@_@g')
  81 cvs tag $TAG
  82 rm -f $TEMP_PATCH