utils/release/tag.sh

   1 #!/bin/bash
   2 #===-- tag.sh - Tag the LLVM release candidates ----------------------------===#
   3 #
   4 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 # See https://llvm.org/LICENSE.txt for license information.
   6 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 #
   8 #===------------------------------------------------------------------------===#
   9 #
  10 # Create branches and release candidates for the LLVM release.
  11 #
  12 #===------------------------------------------------------------------------===#
  13
  14 set -e
  15
  16 release=""
  17 rc=""
  18 rebranch="no"
  19 # All the projects that make it into the monorepo, plus test-suite.
  20 projects="monorepo-root cfe clang-tools-extra compiler-rt debuginfo-tests libclc libcxx libcxxabi libunwind lld lldb llgo llvm openmp parallel-libs polly pstl test-suite"
  21 dryrun=""
  22 revision="HEAD"
  23
  24 base_url="https://llvm.org/svn/llvm-project"
  25
  26 usage() {
  27     echo "usage: `basename $0` -release <num> [-rebranch] [-revision <num>] [-dry-run]"
  28     echo "usage: `basename $0` -release <num> -rc <num> [-dry-run]"
  29     echo " "
  30     echo "  -release <num>   The version number of the release"
  31     echo "  -rc <num>        The release candidate number"
  32     echo "  -rebranch        Remove existing branch, if present, before branching"
  33     echo "  -final           Tag final release candidate"
  34     echo "  -revision <num>  Revision to branch off (default: HEAD)"
  35     echo "  -dry-run         Make no changes to the repository, just print the commands"
  36 }
  37
  38 tag_version() {
  39     local remove_args=()
  40     local create_args=()
  41     local message_prefix
  42     set -x
  43     for proj in $projects; do
  44         if svn ls $base_url/$proj/branches/release_$branch_release > /dev/null 2>&1 ; then
  45             if [ $rebranch = "no" ]; then
  46                 continue
  47             fi
  48             remove_args+=(rm "$proj/branches/release_$branch_release")
  49         fi
  50         create_args+=(cp ${revision} "$proj/trunk" "$proj/branches/release_$branch_release")
  51     done
  52     if [[ ${#remove_args[@]} -gt 0 ]]; then
  53         message_prefix="Removing and recreating"
  54     else
  55         message_prefix="Creating"
  56     fi
  57     if [[ ${#create_args[@]} -gt 0 ]]; then
  58         ${dryrun} svnmucc --root-url "$base_url" \
  59             -m "$message_prefix release_$branch_release branch off revision ${revision}" \
  60             "${remove_args[@]}" "${create_args[@]}"
  61     fi
  62     set +x
  63 }
  64
  65 tag_release_candidate() {
  66     local create_args=()
  67     set -x
  68     for proj in $projects ; do
  69         if ! svn ls $base_url/$proj/tags/RELEASE_$tag_release > /dev/null 2>&1 ; then
  70             create_args+=(mkdir "$proj/tags/RELEASE_$tag_release")
  71         fi
  72         if ! svn ls $base_url/$proj/tags/RELEASE_$tag_release/$rc > /dev/null 2>&1 ; then
  73             create_args+=(cp HEAD
  74                           "$proj/branches/release_$branch_release"
  75                           "$proj/tags/RELEASE_$tag_release/$rc")
  76         fi
  77     done
  78     if [[ ${#create_args[@]} -gt 0 ]]; then
  79         ${dryrun} svnmucc --root-url "$base_url" \
  80             -m "Creating release candidate $rc from release_$tag_release branch" \
  81             "${create_args[@]}"
  82     fi
  83     set +x
  84 }
  85
  86 while [ $# -gt 0 ]; do
  87     case $1 in
  88         -release | --release )
  89             shift
  90             release=$1
  91             ;;
  92         -rc | --rc )
  93             shift
  94             rc="rc$1"
  95             ;;
  96         -rebranch | --rebranch )
  97             rebranch="yes"
  98             ;;
  99         -final | --final )
 100             rc="final"
 101             ;;
 102         -revision | --revision )
 103             shift
 104             revision="$1"
 105             ;;
 106         -dry-run | --dry-run )
 107             dryrun="echo"
 108             ;;
 109         -h | --help | -help )
 110             usage
 111             exit 0
 112             ;;
 113         * )
 114             echo "unknown option: $1"
 115             usage
 116             exit 1
 117             ;;
 118     esac
 119     shift
 120 done
 121
 122 if [ "$release" = "" ]; then
 123     echo "error: need to specify a release version"
 124     echo
 125     usage
 126     exit 1
 127 fi
 128
 129 branch_release=`echo $release | sed -e 's,\([0-9]*\.[0-9]*\).*,\1,' | sed -e 's,\.,,g'`
 130 tag_release=`echo $release | sed -e 's,\.,,g'`
 131
 132 if [ "$rc" = "" ]; then
 133     tag_version
 134 else
 135     if [ "$revision" != "HEAD" ]; then
 136         echo "error: cannot use -revision with -rc"
 137         echo
 138         usage
 139         exit 1
 140     fi
 141
 142     tag_release_candidate
 143 fi
 144
 145 exit 0