124 lines · bash
1#!/usr/bin/env bash2#===- llvm/utils/docker/scripts/checkout.sh ---------------------===//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 10set -e11 12function show_usage() {13 cat << EOF14Usage: checkout.sh [options]15 16Checkout git sources into /tmp/clang-build/src. Used inside a docker container.17 18Available options:19 -h|--help show this help message20 -b|--branch git branch to checkout, i.e. 'main',21 'release/19.x'22 (default: 'main')23 -r|--revision git revision to checkout24 -c|--cherrypick revision to cherry-pick. Can be specified multiple times.25 Cherry-picks are performed in the sorted order using the26 following command:27 'git cherry-pick \$rev)'.28EOF29}30 31LLVM_GIT_REV=""32CHERRYPICKS=""33LLVM_BRANCH=""34 35while [[ $# -gt 0 ]]; do36 case "$1" in37 -r|--revision)38 shift39 LLVM_GIT_REV="$1"40 shift41 ;;42 -c|--cherrypick)43 shift44 CHERRYPICKS="$CHERRYPICKS $1"45 shift46 ;;47 -b|--branch)48 shift49 LLVM_BRANCH="$1"50 shift51 ;;52 -h|--help)53 show_usage54 exit 055 ;;56 *)57 echo "Unknown option: $1"58 exit 159 esac60done61 62if [ "$LLVM_BRANCH" == "" ]; then63 LLVM_BRANCH="main"64fi65 66if [ "$LLVM_GIT_REV" != "" ]; then67 GIT_REV_ARG="$LLVM_GIT_REV"68 echo "Checking out git revision $LLVM_GIT_REV."69else70 GIT_REV_ARG=""71 echo "Checking out latest git revision."72fi73 74# Sort cherrypicks and remove duplicates.75CHERRYPICKS="$(echo "$CHERRYPICKS" | xargs -n1 | sort | uniq | xargs)"76 77function apply_cherrypicks() {78 local CHECKOUT_DIR="$1"79 80 [ "$CHERRYPICKS" == "" ] || echo "Applying cherrypicks"81 pushd "$CHECKOUT_DIR"82 83 # This function is always called on a sorted list of cherrypicks.84 for CHERRY_REV in $CHERRYPICKS; do85 echo "Cherry-picking $CHERRY_REV into $CHECKOUT_DIR"86 EMAIL="someone@somewhere.net" git cherry-pick "$CHERRY_REV"87 done88 89 popd90}91 92CLANG_BUILD_DIR=/tmp/clang-build93 94# Get the sources from git.95echo "Checking out sources from git"96mkdir -p "$CLANG_BUILD_DIR/src"97CHECKOUT_DIR="$CLANG_BUILD_DIR/src"98 99echo "Checking out https://github.com/llvm/llvm-project.git to $CHECKOUT_DIR"100git clone -b "$LLVM_BRANCH" --single-branch \101 "https://github.com/llvm/llvm-project.git" \102 "$CHECKOUT_DIR"103 104pushd $CHECKOUT_DIR105git checkout -q $GIT_REV_ARG106popd107 108 # We apply cherrypicks to all repositories regardless of whether the revision109 # changes this repository or not. For repositories not affected by the110 # cherrypick, applying the cherrypick is a no-op.111 apply_cherrypicks "$CHECKOUT_DIR"112 113CHECKSUMS_FILE="/tmp/checksums/checksums.txt"114 115if [ -f "$CHECKSUMS_FILE" ]; then116 echo "Validating checksums for LLVM checkout..."117 python "$(dirname "$0")/llvm_checksum/llvm_checksum.py" -c "$CHECKSUMS_FILE" \118 --partial --multi_dir "$CLANG_BUILD_DIR/src"119else120 echo "Skipping checksumming checks..."121fi122 123echo "Done"124