bazel-java/scripts/bazel-dev.sh at master · codemod/bazel-java · GitHub

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#!/usr/bin/env bash

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

set -eu

USAGE="$0 [<bazel arguments>...]"

DESCRIPTION='

Rebuilds a development version of Bazel, if necessary, and then runs the

given Bazel command using that binary.'

function usage() {

echo "$USAGE" "$DESCRIPTION" >&2

}

# Find the bazel checkout this script is from, even if it is symlinked.

CURRENT_SCRIPT="$(realpath "${BASH_SOURCE[0]}")"

# The bazel dir is two levels above this script, dev/bazel-dev.sh

PARENT_DIR="$(dirname "$(dirname "${CURRENT_SCRIPT}")")"

# Configuration params. Export these in your bashrc to set personal defaults.

# The source of Bazel code.

BAZEL_REPO="${BAZEL_REPO:-https://github.com/bazelbuild/bazel}"

# Where to keep the Bazel repository. If you make changes here, be warned that

# this script may overwrite or lose them.

BAZEL_DIR="${BAZEL_DIR:-${PARENT_DIR}}"

# Bazel to use to build local bazel binaries.

BAZEL_BINARY="${BAZEL_BINARY:-$(which bazel)}"

# The location of the resulting binary.

BAZEL_DEV="$BAZEL_DIR/bazel-bin/src/bazel-dev"

# First, check whether a rebuild is needed.

REBUILD=0

# If there is no built development Bazel, build it.

if [ ! -x "$BAZEL_DEV" ]; then

REBUILD=1

# If the current directory isn't the bazel working dir, always try to rebuild.

if [ "$(pwd)" != "$BAZEL_DIR" ]; then

REBUILD=1

# Perform a rebuild.

if [ "$REBUILD" == 1 ]; then

echo -e "\033[31mBuilding dev version of bazel...\033[0m"

(

cd "$BAZEL_DIR"

result=0

"${BAZEL_BINARY}" build //src:bazel-dev || result=$?

if [[ $result != 0 ]]; then

echo -e "\033[31mError building dev version of bazel.\033[0m"

exit $result

)

# Execute bazel command.

echo -e "\e[31mExecuting bazel-dev...\e[0m"

exec "$BAZEL_DEV" "$@"

bazel-java/scripts/bazel-dev.sh at master · codemod/bazel-java · GitHub

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