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I set this up with: ``` mvn org.apache.maven.plugins:maven-wrapper-plugin:3.2.0:wrapper -Dtype=-script -Dmaven=3.9.5 ``` It's not obvious to me whether we'll notice many differences among the 3 non-binary types (`source`, `script`, and `only-script`). I initially went with `only-script`, which is newest, given that it sounded theoretically like it would involve the fewest steps. But I got [an error](https://github.com/google/guava/actions/runs/6536542346/job/17748480689?pr=6783) from the Windows CI: ``` distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found 'https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip ' ``` I assume that this is a newline-related issue. That error message comes from the `only-script` shell script, and there is no such line in the `script` shell script, so I'm now trying `script`. (It's possible that we should be using `mvnw.cmd` under Windows, so maybe nothing will work until I change our CI to do that.... (We got a recommendation for the Maven Wrapper [from Ben Manes](https://groups.google.com/g/guava-discuss/c/e5UVvuM9CP8/m/w2H3CjZ7AQAJ).) There does not yet appear to be a way to [make Dependabot automatically update the version of Maven we use](dependabot/dependabot-core#485) (nor the version of the wrapper itself, though I looked less hard for that because it's less important). We've already not kept up with Maven upgrades very carefully—and we might each be using different Maven versions for all I know!—so this isn't necessarily a huge downgrade. Still, we don't want to fall far behind what's on our machines or GitHub CI, so I've at least set myself a calendar reminder to check back every 6 months. RELNOTES=n/a PiperOrigin-RevId: 573917287
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# Licensed to the Apache Software Foundation (ASF) under one | ||
# or more contributor license agreements. See the NOTICE file | ||
# distributed with this work for additional information | ||
# regarding copyright ownership. The ASF licenses this file | ||
# to you 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. | ||
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip | ||
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar |
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#!/bin/sh | ||
# ---------------------------------------------------------------------------- | ||
# Licensed to the Apache Software Foundation (ASF) under one | ||
# or more contributor license agreements. See the NOTICE file | ||
# distributed with this work for additional information | ||
# regarding copyright ownership. The ASF licenses this file | ||
# to you 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. | ||
# ---------------------------------------------------------------------------- | ||
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# ---------------------------------------------------------------------------- | ||
# Apache Maven Wrapper startup batch script, version 3.2.0 | ||
# | ||
# Required ENV vars: | ||
# ------------------ | ||
# JAVA_HOME - location of a JDK home dir | ||
# | ||
# Optional ENV vars | ||
# ----------------- | ||
# MAVEN_OPTS - parameters passed to the Java VM when running Maven | ||
# e.g. to debug Maven itself, use | ||
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 | ||
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files | ||
# ---------------------------------------------------------------------------- | ||
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if [ -z "$MAVEN_SKIP_RC" ] ; then | ||
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if [ -f /usr/local/etc/mavenrc ] ; then | ||
. /usr/local/etc/mavenrc | ||
fi | ||
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if [ -f /etc/mavenrc ] ; then | ||
. /etc/mavenrc | ||
fi | ||
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if [ -f "$HOME/.mavenrc" ] ; then | ||
. "$HOME/.mavenrc" | ||
fi | ||
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fi | ||
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# OS specific support. $var _must_ be set to either true or false. | ||
cygwin=false; | ||
darwin=false; | ||
mingw=false | ||
case "$(uname)" in | ||
CYGWIN*) cygwin=true ;; | ||
MINGW*) mingw=true;; | ||
Darwin*) darwin=true | ||
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home | ||
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html | ||
if [ -z "$JAVA_HOME" ]; then | ||
if [ -x "/usr/libexec/java_home" ]; then | ||
JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME | ||
else | ||
JAVA_HOME="/Library/Java/Home"; export JAVA_HOME | ||
fi | ||
fi | ||
;; | ||
esac | ||
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if [ -z "$JAVA_HOME" ] ; then | ||
if [ -r /etc/gentoo-release ] ; then | ||
JAVA_HOME=$(java-config --jre-home) | ||
fi | ||
fi | ||
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# For Cygwin, ensure paths are in UNIX format before anything is touched | ||
if $cygwin ; then | ||
[ -n "$JAVA_HOME" ] && | ||
JAVA_HOME=$(cygpath --unix "$JAVA_HOME") | ||
[ -n "$CLASSPATH" ] && | ||
CLASSPATH=$(cygpath --path --unix "$CLASSPATH") | ||
fi | ||
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# For Mingw, ensure paths are in UNIX format before anything is touched | ||
if $mingw ; then | ||
[ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] && | ||
JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)" | ||
fi | ||
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if [ -z "$JAVA_HOME" ]; then | ||
javaExecutable="$(which javac)" | ||
if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then | ||
# readlink(1) is not available as standard on Solaris 10. | ||
readLink=$(which readlink) | ||
if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then | ||
if $darwin ; then | ||
javaHome="$(dirname "\"$javaExecutable\"")" | ||
javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac" | ||
else | ||
javaExecutable="$(readlink -f "\"$javaExecutable\"")" | ||
fi | ||
javaHome="$(dirname "\"$javaExecutable\"")" | ||
javaHome=$(expr "$javaHome" : '\(.*\)/bin') | ||
JAVA_HOME="$javaHome" | ||
export JAVA_HOME | ||
fi | ||
fi | ||
fi | ||
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if [ -z "$JAVACMD" ] ; then | ||
if [ -n "$JAVA_HOME" ] ; then | ||
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then | ||
# IBM's JDK on AIX uses strange locations for the executables | ||
JAVACMD="$JAVA_HOME/jre/sh/java" | ||
else | ||
JAVACMD="$JAVA_HOME/bin/java" | ||
fi | ||
else | ||
JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)" | ||
fi | ||
fi | ||
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if [ ! -x "$JAVACMD" ] ; then | ||
echo "Error: JAVA_HOME is not defined correctly." >&2 | ||
echo " We cannot execute $JAVACMD" >&2 | ||
exit 1 | ||
fi | ||
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if [ -z "$JAVA_HOME" ] ; then | ||
echo "Warning: JAVA_HOME environment variable is not set." | ||
fi | ||
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# traverses directory structure from process work directory to filesystem root | ||
# first directory with .mvn subdirectory is considered project base directory | ||
find_maven_basedir() { | ||
if [ -z "$1" ] | ||
then | ||
echo "Path not specified to find_maven_basedir" | ||
return 1 | ||
fi | ||
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basedir="$1" | ||
wdir="$1" | ||
while [ "$wdir" != '/' ] ; do | ||
if [ -d "$wdir"/.mvn ] ; then | ||
basedir=$wdir | ||
break | ||
fi | ||
# workaround for JBEAP-8937 (on Solaris 10/Sparc) | ||
if [ -d "${wdir}" ]; then | ||
wdir=$(cd "$wdir/.." || exit 1; pwd) | ||
fi | ||
# end of workaround | ||
done | ||
printf '%s' "$(cd "$basedir" || exit 1; pwd)" | ||
} | ||
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# concatenates all lines of a file | ||
concat_lines() { | ||
if [ -f "$1" ]; then | ||
# Remove \r in case we run on Windows within Git Bash | ||
# and check out the repository with auto CRLF management | ||
# enabled. Otherwise, we may read lines that are delimited with | ||
# \r\n and produce $'-Xarg\r' rather than -Xarg due to word | ||
# splitting rules. | ||
tr -s '\r\n' ' ' < "$1" | ||
fi | ||
} | ||
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log() { | ||
if [ "$MVNW_VERBOSE" = true ]; then | ||
printf '%s\n' "$1" | ||
fi | ||
} | ||
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BASE_DIR=$(find_maven_basedir "$(dirname "$0")") | ||
if [ -z "$BASE_DIR" ]; then | ||
exit 1; | ||
fi | ||
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MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR | ||
log "$MAVEN_PROJECTBASEDIR" | ||
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########################################################################################## | ||
# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central | ||
# This allows using the maven wrapper in projects that prohibit checking in binary data. | ||
########################################################################################## | ||
wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" | ||
if [ -r "$wrapperJarPath" ]; then | ||
log "Found $wrapperJarPath" | ||
else | ||
log "Couldn't find $wrapperJarPath, downloading it ..." | ||
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if [ -n "$MVNW_REPOURL" ]; then | ||
wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" | ||
else | ||
wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" | ||
fi | ||
while IFS="=" read -r key value; do | ||
# Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' ) | ||
safeValue=$(echo "$value" | tr -d '\r') | ||
case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;; | ||
esac | ||
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties" | ||
log "Downloading from: $wrapperUrl" | ||
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if $cygwin; then | ||
wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath") | ||
fi | ||
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if command -v wget > /dev/null; then | ||
log "Found wget ... using wget" | ||
[ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet" | ||
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then | ||
wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" | ||
else | ||
wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" | ||
fi | ||
elif command -v curl > /dev/null; then | ||
log "Found curl ... using curl" | ||
[ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent" | ||
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then | ||
curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath" | ||
else | ||
curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath" | ||
fi | ||
else | ||
log "Falling back to using Java to download" | ||
javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java" | ||
javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class" | ||
# For Cygwin, switch paths to Windows format before running javac | ||
if $cygwin; then | ||
javaSource=$(cygpath --path --windows "$javaSource") | ||
javaClass=$(cygpath --path --windows "$javaClass") | ||
fi | ||
if [ -e "$javaSource" ]; then | ||
if [ ! -e "$javaClass" ]; then | ||
log " - Compiling MavenWrapperDownloader.java ..." | ||
("$JAVA_HOME/bin/javac" "$javaSource") | ||
fi | ||
if [ -e "$javaClass" ]; then | ||
log " - Running MavenWrapperDownloader.java ..." | ||
("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath" | ||
fi | ||
fi | ||
fi | ||
fi | ||
########################################################################################## | ||
# End of extension | ||
########################################################################################## | ||
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# If specified, validate the SHA-256 sum of the Maven wrapper jar file | ||
wrapperSha256Sum="" | ||
while IFS="=" read -r key value; do | ||
case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;; | ||
esac | ||
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties" | ||
if [ -n "$wrapperSha256Sum" ]; then | ||
wrapperSha256Result=false | ||
if command -v sha256sum > /dev/null; then | ||
if echo "$wrapperSha256Sum $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then | ||
wrapperSha256Result=true | ||
fi | ||
elif command -v shasum > /dev/null; then | ||
if echo "$wrapperSha256Sum $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then | ||
wrapperSha256Result=true | ||
fi | ||
else | ||
echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." | ||
echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties." | ||
exit 1 | ||
fi | ||
if [ $wrapperSha256Result = false ]; then | ||
echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2 | ||
echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2 | ||
echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2 | ||
exit 1 | ||
fi | ||
fi | ||
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MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" | ||
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# For Cygwin, switch paths to Windows format before running java | ||
if $cygwin; then | ||
[ -n "$JAVA_HOME" ] && | ||
JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME") | ||
[ -n "$CLASSPATH" ] && | ||
CLASSPATH=$(cygpath --path --windows "$CLASSPATH") | ||
[ -n "$MAVEN_PROJECTBASEDIR" ] && | ||
MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR") | ||
fi | ||
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# Provide a "standardized" way to retrieve the CLI args that will | ||
# work with both Windows and non-Windows executions. | ||
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*" | ||
export MAVEN_CMD_LINE_ARGS | ||
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WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain | ||
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# shellcheck disable=SC2086 # safe args | ||
exec "$JAVACMD" \ | ||
$MAVEN_OPTS \ | ||
$MAVEN_DEBUG_OPTS \ | ||
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ | ||
"-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ | ||
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" |
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