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|
#!/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"
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"
|
