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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 svn sources into /tmp/clang-build/src. Used inside a docker container.
Available options:
-h|--help show this help message
-b|--branch svn branch to checkout, i.e. 'trunk',
'branches/release_40'
(default: 'trunk')
-r|--revision svn 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:
'svn patch <(svn diff -c \$rev)'.
-p|--llvm-project name of an svn project to checkout.
For clang, please use 'clang', not 'cfe'.
Project 'llvm' is always included and ignored, if
specified.
Can be specified multiple times.
EOF
}
LLVM_SVN_REV=""
CHERRYPICKS=""
LLVM_BRANCH=""
# We always checkout llvm
LLVM_PROJECTS="llvm"
function contains_project() {
local TARGET_PROJ="$1"
local PROJ
for PROJ in $LLVM_PROJECTS; do
if [ "$PROJ" == "$TARGET_PROJ" ]; then
return 0
fi
done
return 1
}
while [[ $# -gt 0 ]]; do
case "$1" in
-r|--revision)
shift
LLVM_SVN_REV="$1"
shift
;;
-c|--cherrypick)
shift
CHERRYPICKS="$CHERRYPICKS $1"
shift
;;
-b|--branch)
shift
LLVM_BRANCH="$1"
shift
;;
-p|--llvm-project)
shift
PROJ="$1"
shift
if [ "$PROJ" == "cfe" ]; then
PROJ="clang"
fi
if ! contains_project "$PROJ" ; then
if [ "$PROJ" == "clang-tools-extra" ] && [ ! contains_project "clang" ]; then
echo "Project 'clang-tools-extra' specified before 'clang'. Adding 'clang' to a list of projects first."
LLVM_PROJECTS="$LLVM_PROJECTS clang"
fi
LLVM_PROJECTS="$LLVM_PROJECTS $PROJ"
else
echo "Project '$PROJ' is already enabled, ignoring extra occurrences."
fi
;;
-h|--help)
show_usage
exit 0
;;
*)
echo "Unknown option: $1"
exit 1
esac
done
if [ "$LLVM_BRANCH" == "" ]; then
LLVM_BRANCH="trunk"
fi
if [ "$LLVM_SVN_REV" != "" ]; then
SVN_REV_ARG="-r$LLVM_SVN_REV"
echo "Checking out svn revision r$LLVM_SVN_REV."
else
SVN_REV_ARG=""
echo "Checking out latest svn revision."
fi
# Sort cherrypicks and remove duplicates.
CHERRYPICKS="$(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 $CHERRYPICKS; do
echo "Cherry-picking r$CHERRY_REV into $CHECKOUT_DIR"
local PATCH_FILE="$(mktemp)"
svn diff -c $CHERRY_REV > "$PATCH_FILE"
svn patch "$PATCH_FILE"
rm "$PATCH_FILE"
done
popd
}
CLANG_BUILD_DIR=/tmp/clang-build
# Get the sources from svn.
echo "Checking out sources from svn"
mkdir -p "$CLANG_BUILD_DIR/src"
for LLVM_PROJECT in $LLVM_PROJECTS; do
if [ "$LLVM_PROJECT" == "clang" ]; then
SVN_PROJECT="cfe"
else
SVN_PROJECT="$LLVM_PROJECT"
fi
if [ "$SVN_PROJECT" != "clang-tools-extra" ]; then
CHECKOUT_DIR="$CLANG_BUILD_DIR/src/$LLVM_PROJECT"
else
CHECKOUT_DIR="$CLANG_BUILD_DIR/src/clang/tools/extra"
fi
echo "Checking out https://llvm.org/svn/llvm-project/$SVN_PROJECT to $CHECKOUT_DIR"
svn co -q $SVN_REV_ARG \
"https://llvm.org/svn/llvm-project/$SVN_PROJECT/$LLVM_BRANCH" \
"$CHECKOUT_DIR"
# 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 "$CHECKOUT_DIR"
done
CHECKSUMS_FILE="/tmp/checksums/checksums.txt"
if [ -f "$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"
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