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#!/bin/bash
# Copyright 2015 The Bazel Authors. All rights reserved.
#
# 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 -e
# Bazel self-extractable installer
# Installation and etc prefix can be overriden from command line
install_prefix=${1:-"/usr/local"}
progname="$0"
echo "Bazel installer"
echo "---------------"
echo
echo "Bazel is bundled with software licensed under the GPLv2 with Classpath exception."
echo "You can find the sources next to the installer on our release page:"
echo " https://github.com/bazelbuild/bazel/releases"
echo
cat <<'EOF'
%release_info%
EOF
usage() {
echo "Usage: $progname [options]" >&2
echo "Options are:" >&2
echo " --prefix=/some/path set the prefix path (default=/usr/local)." >&2
echo " --bin= set the binary folder path (default=%prefix%/bin)." >&2
echo " --base= set the base install path (default=%prefix%/lib/bazel)." >&2
echo " --user configure for user install, expands to:" >&2
echo ' --bin=$HOME/bin --base=$HOME/.bazel' >&2
echo " --skip-uncompress skip uncompressing the base image until the" >&2
echo " first bazel invocation" >&2
exit 1
}
prefix="/usr/local"
bin="%prefix%/bin"
base="%prefix%/lib/bazel"
should_uncompress=true
for opt in "${@}"; do
case $opt in
--prefix=*)
prefix="$(echo "$opt" | cut -d '=' -f 2-)"
;;
--bin=*)
bin="$(echo "$opt" | cut -d '=' -f 2-)"
;;
--base=*)
base="$(echo "$opt" | cut -d '=' -f 2-)"
;;
--user)
bin="$HOME/bin"
base="$HOME/.bazel"
;;
--skip-uncompress)
should_uncompress=false
;;
*)
usage
;;
esac
done
bin="${bin//%prefix%/${prefix}}"
base="${base//%prefix%/${prefix}}"
test_write() {
local file="$1"
while [ "$file" != "/" ] && [ -n "${file}" ] && [ ! -e "$file" ]; do
file="$(dirname "${file}")"
done
[ -w "${file}" ] || {
echo >&2
echo "The Bazel installer must have write access to $1!" >&2
echo "Consider using the --user flag to install Bazel under $HOME/bin instead." >&2
echo >&2
usage
}
}
# Test for dependencies
# unzip
if ! which unzip >/dev/null; then
echo >&2
echo "unzip not found, please install the corresponding package." >&2
echo "See http://bazel.build/docs/install.html for more information on" >&2
echo "dependencies of Bazel." >&2
exit 1
fi
# java
if [ -z "${JAVA_HOME-}" ]; then
case "$(uname -s | tr 'A-Z' 'a-z')" in
linux)
JAVA_HOME="$(readlink -f $(which javac) 2>/dev/null | sed 's_/bin/javac__')" || true
BASHRC="~/.bashrc"
;;
freebsd)
JAVA_HOME="/usr/local/openjdk8"
BASHRC="~/.bashrc"
;;
darwin)
JAVA_HOME="$(/usr/libexec/java_home -v ${JAVA_VERSION}+ 2> /dev/null)" || true
BASHRC="~/.bash_profile"
;;
esac
fi
# Only check for an installed JDK if this version of Bazel does not contain a
# bundled JDK.
case "$0" in
*without-jdk*)
if [ ! -x "${JAVA_HOME}/bin/javac" ]; then
echo >&2
echo "Java not found, please install the corresponding package." >&2
echo "See http://bazel.build/docs/install.html for more information on" >&2
echo "dependencies of Bazel." >&2
exit 1
fi
;;
esac
# Test for write access
test_write "${bin}"
test_write "${base}"
# Do the actual installation
echo -n "Uncompressing."
# Cleaning-up, with some guards.
rm -f "${bin}/bazel"
if [ -d "${base}" -a -x "${base}/bin/bazel" ]; then
rm -fr "${base}"
fi
mkdir -p ${bin} ${base} ${base}/bin ${base}/etc
echo -n .
unzip -q "${BASH_SOURCE[0]}" bazel bazel-real bazel-complete.bash -d "${base}/bin"
echo -n .
chmod 0755 "${base}/bin/bazel" "${base}/bin/bazel-real"
echo -n .
chmod -R og-w "${base}"
chmod -R og+rX "${base}"
chmod -R u+rwX "${base}"
echo -n .
ln -s "${base}/bin/bazel" "${bin}/bazel"
echo -n .
if [ "${should_uncompress}" = true ] && [ "${UID}" -ne 0 ]; then
# Uncompress the bazel base install for faster startup time
"${bin}/bazel" help >/dev/null
fi
echo .
cat <<EOF
Bazel is now installed!
Make sure you have "${bin}" in your path. You can also activate bash
completion by adding the following line to your ${BASHRC}:
source ${base}/bin/bazel-complete.bash
See http://bazel.build/docs/getting-started.html to start a new project!
EOF
exit 0
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