| #!/usr/bin/env bash |
| #===- llvm/utils/docker/scripts/checkout.sh ---------------------===// |
| # |
| # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| # See https://llvm.org/LICENSE.txt for license information. |
| # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| # |
| #===-----------------------------------------------------------------------===// |
| |
| set -e |
| |
| function show_usage() { |
| cat << EOF |
| Usage: checkout.sh [options] |
| |
| Checkout git sources into /tmp/clang-build/src. Used inside a docker container. |
| |
| Available options: |
| -h|--help show this help message |
| -b|--branch git branch to checkout, i.e. 'main', |
| 'release/10.x' |
| (default: 'main') |
| -r|--revision git revision to checkout |
| -c|--cherrypick revision to cherry-pick. Can be specified multiple times. |
| Cherry-picks are performed in the sorted order using the |
| following command: |
| 'git cherry-pick \$rev)'. |
| EOF |
| } |
| |
| LLVM_GIT_REV="" |
| CHERRYPICKS="" |
| LLVM_BRANCH="" |
| |
| while [[ $# -gt 0 ]]; do |
| case "$1" in |
| -r|--revision) |
| shift |
| LLVM_GIT_REV="$1" |
| shift |
| ;; |
| -c|--cherrypick) |
| shift |
| CHERRYPICKS="$CHERRYPICKS $1" |
| shift |
| ;; |
| -b|--branch) |
| shift |
| LLVM_BRANCH="$1" |
| shift |
| ;; |
| -h|--help) |
| show_usage |
| exit 0 |
| ;; |
| *) |
| echo "Unknown option: $1" |
| exit 1 |
| esac |
| done |
| |
| if [ "$LLVM_BRANCH" == "" ]; then |
| LLVM_BRANCH="main" |
| fi |
| |
| if [ "$LLVM_GIT_REV" != "" ]; then |
| GIT_REV_ARG="$LLVM_GIT_REV" |
| echo "Checking out git revision $LLVM_GIT_REV." |
| else |
| GIT_REV_ARG="" |
| echo "Checking out latest git revision." |
| fi |
| |
| # Sort cherrypicks and remove duplicates. |
| CHERRYPICKS="$(echo "$CHERRYPICKS" | xargs -n1 | sort | uniq | xargs)" |
| |
| function apply_cherrypicks() { |
| local CHECKOUT_DIR="$1" |
| |
| [ "$CHERRYPICKS" == "" ] || echo "Applying cherrypicks" |
| pushd "$CHECKOUT_DIR" |
| |
| # This function is always called on a sorted list of cherrypicks. |
| for CHERRY_REV in $CHERRYPICKS; do |
| echo "Cherry-picking $CHERRY_REV into $CHECKOUT_DIR" |
| EMAIL="someone@somewhere.net" git cherry-pick $CHERRY_REV |
| done |
| |
| popd |
| } |
| |
| CLANG_BUILD_DIR=/tmp/clang-build |
| |
| # Get the sources from git. |
| echo "Checking out sources from git" |
| mkdir -p "$CLANG_BUILD_DIR/src" |
| CHECKOUT_DIR="$CLANG_BUILD_DIR/src" |
| |
| echo "Checking out https://github.com/llvm/llvm-project.git to $CHECKOUT_DIR" |
| git clone -b $LLVM_BRANCH --single-branch \ |
| "https://github.com/llvm/llvm-project.git" \ |
| "$CHECKOUT_DIR" |
| |
| pushd $CHECKOUT_DIR |
| git checkout -q $GIT_REV_ARG |
| popd |
| |
| # We apply cherrypicks to all repositories regardless of whether the revision |
| # changes this repository or not. For repositories not affected by the |
| # cherrypick, applying the cherrypick is a no-op. |
| apply_cherrypicks "$CHECKOUT_DIR" |
| |
| CHECKSUMS_FILE="/tmp/checksums/checksums.txt" |
| |
| if [ -f "$CHECKSUMS_FILE" ]; then |
| echo "Validating checksums for LLVM checkout..." |
| python "$(dirname $0)/llvm_checksum/llvm_checksum.py" -c "$CHECKSUMS_FILE" \ |
| --partial --multi_dir "$CLANG_BUILD_DIR/src" |
| else |
| echo "Skipping checksumming checks..." |
| fi |
| |
| echo "Done" |