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