libsanitizer/merge.sh

   1 #!/bin/bash
   2
   3 # FIXME: do we need a license (or whatever else) header here?
   4
   5 # This script merges libsanitizer sources from upstream.
   6
   7 VCS=${1:-svn}
   8
   9 get_upstream() {
  10   rm -rf upstream
  11   #cp -rf orig upstream
  12   svn co http://llvm.org/svn/llvm-project/compiler-rt/trunk upstream
  13 }
  14
  15 get_current_rev() {
  16   cd upstream
  17   svn info | grep Revision | grep -o '[0-9]*'
  18 }
  19
  20 list_files() {
  21   (cd $1; ls *.{cc,h,inc,S} 2> /dev/null)
  22
  23 }
  24
  25 change_comment_headers() {
  26   for f in $(list_files $1); do
  27     sed -n 3p $1/$f | grep -q 'The LLVM Compiler Infrastructure' || continue
  28     changed=$(awk 'NR != 2 && NR != 3' < $1/$f)
  29     echo "$changed" > $1/$f
  30   done
  31 }
  32
  33 # ARGUMENTS: upstream_path local_path
  34 # This function merges changes from the directory upstream_path to
  35 # the directory  local_path.
  36 merge() {
  37   upstream_path=upstream/$1
  38   local_path=$2
  39   change_comment_headers $upstream_path
  40   echo MERGE: $upstream_path
  41   all=$( (list_files $upstream_path; list_files $local_path) | sort | uniq)
  42   #echo $all
  43   for f in $all; do
  44     if  [ -f $upstream_path/$f -a -f $local_path/$f ]; then
  45       echo "FOUND IN BOTH     :" $f
  46       # diff -u $local_path/$f $upstream_path/$f
  47       cp -v $upstream_path/$f $local_path
  48     elif [ -f $upstream_path/$f ]; then
  49       echo "FOUND IN UPSTREAM :" $f
  50       cp -v $upstream_path/$f $local_path
  51       $VCS add $local_path/$f
  52     elif [ -f $local_path/$f ]; then
  53       echo "FOUND IN LOCAL    :" $f
  54       $VCS rm $local_path/$f
  55     fi
  56   done
  57
  58 }
  59
  60 fatal() {
  61   echo "$1"
  62   exit 1;
  63 }
  64
  65 pwd | grep 'libsanitizer$' || \
  66   fatal "Run this script from libsanitizer dir"
  67 get_upstream
  68 CUR_REV=$(get_current_rev)
  69 echo Current upstream revision: $CUR_REV
  70 merge include/sanitizer include/sanitizer
  71 merge lib/asan asan
  72 merge lib/lsan lsan
  73 merge lib/tsan/rtl tsan
  74 merge lib/sanitizer_common sanitizer_common
  75 merge lib/interception interception
  76 merge lib/ubsan ubsan
  77
  78 # Need to merge lib/builtins/assembly.h file:
  79 mkdir -p builtins
  80 cp -v upstream/lib/builtins/assembly.h builtins/assembly.h
  81
  82 rm -rf upstream
  83
  84 # Update the MERGE file.
  85 cat << EOF > MERGE
  86 $CUR_REV
  87
  88 The first line of this file holds the svn revision number of the
  89 last merge done from the master library sources.
  90 EOF