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