188 lines · bash
1#!/bin/bash2#===-- 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-exception7#8#===------------------------------------------------------------------------===#9#10# Create branches and release candidates for the LLVM release.11#12#===------------------------------------------------------------------------===#13 14set -e15 16projects="llvm bolt clang cmake compiler-rt libcxx libcxxabi libclc clang-tools-extra polly lldb lld openmp libunwind mlir flang runtimes third-party"17 18release=""19rc=""20yyyymmdd=$(date +'%Y%m%d')21snapshot=""22template='${PROJECT}-${RELEASE}${RC}.src.tar.xz'23 24usage() {25cat <<EOF26Export the Git sources and build tarballs from them.27 28Usage: $(basename $0) [-release|--release <major>.<minor>.<patch>]29 [-rc|--rc <num>]30 [-final|--final]31 [-git-ref|--git-ref <git-ref>]32 [-template|--template <template>]33 34Flags:35 36 -release | --release <major>.<minor>.<patch> The version number of the release37 -rc | --rc <num> The release candidate number38 -final | --final When provided, this option will disable the rc flag39 -git-ref | --git-ref <git-ref> (optional) Use <git-ref> to determine the release and don't export the test-suite files40 -template | --template <template> (optional) Possible placeholders: \$PROJECT \$YYYYMMDD \$GIT_REF \$RELEASE \$RC.41 Defaults to '${template}'.42 43The following list shows the filenames (with <placeholders>) for the artifacts44that are being generated (given that you don't touch --template).45 46$(echo "$projects "| sed 's/\([a-z-]\+\) / * \1-<RELEASE><RC>.src.tar.xz \n/g')47 48Additional files being generated:49 50 * llvm-project-<RELEASE><RC>.src.tar.xz (the complete LLVM source project)51 * test-suite-<RELEASE><RC>.src.tar.xz (only when not using --git-ref)52 53To ease the creation of snapshot builds, we also provide these files54 55 * llvm-release-<YYYYMMDD>.txt (contains the <RELEASE> as a text)56 * llvm-rc-<YYYYMMDD>.txt (contains the rc version passed to the invocation of $(basename $0))57 * llvm-git-revision-<YYYYMMDD>.txt (contains the current git revision sha1)58 59Example values for the placeholders:60 61 * <RELEASE> -> 13.0.062 * <YYYYMMDD> -> 20210414 (the date when executing this script)63 * <RC> -> rc4 (will be empty when using --git-ref)64 65In order to generate snapshots of the upstream main branch you could do this for example:66 67 $(basename $0) --git-ref upstream/main --template '\${PROJECT}-\${YYYYMMDD}.src.tar.xz'68 69EOF70}71 72template_file() {73 export PROJECT=$1 YYYYMMDD=$yyyymmdd RC=$rc RELEASE=$release GIT_REF=$git_rev74 basename $(echo $template | envsubst '$PROJECT $RELEASE $RC $YYYYMMDD $GIT_REF')75 unset PROJECT YYYYMMDD RC RELEASE GIT_REF76}77 78export_sources() {79 local tag="llvmorg-$release"80 81 llvm_src_dir=$(readlink -f $(dirname "$(readlink -f "$0")")/../../..)82 [ -d $llvm_src_dir/.git ] || ( echo "No git repository at $llvm_src_dir" ; exit 1 )83 84 # Determine the release by fetching the version from LLVM's CMakeLists.txt85 # in the specified git ref.86 if [ -n "$snapshot" ]; then87 release=$(git -C $llvm_src_dir show $snapshot:cmake/Modules/LLVMVersion.cmake | grep -ioP 'set\(\s*LLVM_VERSION_(MAJOR|MINOR|PATCH)\s\K[0-9]+' | paste -sd '.')88 fi89 90 tag="llvmorg-$release"91 92 if [ "$rc" = "final" ]; then93 rc=""94 else95 tag="$tag-$rc"96 fi97 98 target_dir=$(pwd)99 100 echo "Creating tarball for llvm-project ..."101 pushd $llvm_src_dir/102 tree_id=$tag103 [ -n "$snapshot" ] && tree_id="$snapshot"104 echo "Tree ID to archive: $tree_id"105 106 # This might be a surprise but a package like clang or compiler-rt don't107 # know about the LLVM version itself. That's why we also export a the108 # llvm-version*-<YYYYMMDD> and llvm-git*-<YYYYMMDD> files.109 git_rev=$(git rev-parse $tree_id)110 echo "git revision: $git_rev"111 echo "$release" > $target_dir/llvm-release-$yyyymmdd.txt112 echo "$rc" > $target_dir/llvm-rc-$yyyymmdd.txt113 echo "$git_rev" > $target_dir/llvm-git-revision-$yyyymmdd.txt114 115 git archive --prefix=llvm-project-$release$rc.src/ $tree_id . | xz -T0 >$target_dir/$(template_file llvm-project)116 popd117 118 if [ -z "$snapshot" ]; then119 if [ ! -d test-suite-$release$rc.src ]; then120 echo "Fetching LLVM test-suite source ..."121 mkdir -p test-suite-$release$rc.src122 curl -L https://github.com/llvm/test-suite/archive/$tag.tar.gz | \123 tar -C test-suite-$release$rc.src --strip-components=1 -xzf -124 fi125 echo "Creating tarball for test-suite ..."126 XZ_OPT="-T0" tar --sort=name --owner=0 --group=0 \127 --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime \128 -cJf test-suite-$release$rc.src.tar.xz test-suite-$release$rc.src129 fi130 131 for proj in $projects; do132 echo "Creating tarball for $proj ..."133 pushd $llvm_src_dir/$proj134 git archive --prefix=$proj-$release$rc.src/ $tree_id . | xz -T0 >$target_dir/$(template_file $proj)135 popd136 done137}138 139while [ $# -gt 0 ]; do140 case $1 in141 -release | --release )142 shift143 release=$1144 ;;145 -rc | --rc )146 shift147 rc="rc$1"148 ;;149 -final | --final )150 rc="final"151 ;;152 -git-ref | --git-ref )153 shift154 snapshot="$1"155 ;;156 -template | --template )157 shift158 template="$1"159 ;;160 -h | -help | --help )161 usage162 exit 0163 ;;164 * )165 echo "unknown option: $1"166 usage167 exit 1168 ;;169 esac170 shift171done172 173if [ -n "$snapshot" ]; then 174 if [[ "$rc" != "" || "$release" != "" ]]; then175 echo "error: must not specify -rc or -release when creating a snapshot"176 exit 1177 fi178elif [ -z "$release" ]; then179 echo "error: need to specify a release version"180 exit 1181fi182 183# Make sure umask is not overly restrictive.184umask 0022185 186export_sources187exit 0188