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KAFKA-1714: Fix gradle wrapper bootstrapping (apache#6031)
Given we need to follow the Apache rule of not checking any binaries into the source code, Kafka has always had a bit of a tricky Gradle bootstrap. Using ./gradlew as users expect doesn’t work and a local and compatible version of Gradle was required to generate the wrapper first. This patch changes the behavior of the wrapper task to instead generate a gradlew script that can bootstrap the jar itself. Additionally it adds a license, removes the bat script, and handles retries. The documentation in the readme was also updated. Going forward patches that upgrade gradle should run `gradle wrapper` before checking in the change. With this change users using ./gradlew can be sure they are always building with the correct version of Gradle. Reviewers: Viktor Somogyi <[email protected]>, Ismael Juma <[email protected]
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| # | ||
| # Copyright 2017 the original author or authors. | ||
| # | ||
| # 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. | ||
| distributionBase=GRADLE_USER_HOME | ||
| distributionPath=wrapper/dists | ||
| distributionUrl=https\://services.gradle.org/distributions/gradle-5.0-all.zip | ||
| zipStoreBase=GRADLE_USER_HOME | ||
| zipStorePath=wrapper/dists |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,199 @@ | ||
| #!/usr/bin/env sh | ||
| # | ||
| # Copyright 2017 the original author or authors. | ||
| # | ||
| # 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. | ||
|
|
||
| ############################################################################## | ||
| ## | ||
| ## Gradle start up script for UN*X | ||
| ## | ||
| ############################################################################## | ||
|
|
||
| # Attempt to set APP_HOME | ||
| # Resolve links: $0 may be a link | ||
| PRG="$0" | ||
| # Need this for relative symlinks. | ||
| while [ -h "$PRG" ] ; do | ||
| ls=`ls -ld "$PRG"` | ||
| link=`expr "$ls" : '.*-> \(.*\)$'` | ||
| if expr "$link" : '/.*' > /dev/null; then | ||
| PRG="$link" | ||
| else | ||
| PRG=`dirname "$PRG"`"/$link" | ||
| fi | ||
| done | ||
| SAVED="`pwd`" | ||
| cd "`dirname \"$PRG\"`/" >/dev/null | ||
| APP_HOME="`pwd -P`" | ||
| cd "$SAVED" >/dev/null | ||
|
|
||
| APP_NAME="Gradle" | ||
| APP_BASE_NAME=`basename "$0"` | ||
|
|
||
| # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. | ||
| DEFAULT_JVM_OPTS='"-Xmx64m"' | ||
|
|
||
| # Use the maximum available, or set MAX_FD != -1 to use that value. | ||
| MAX_FD="maximum" | ||
|
|
||
| warn () { | ||
| echo "$*" | ||
| } | ||
|
|
||
| die () { | ||
| echo | ||
| echo "$*" | ||
| echo | ||
| exit 1 | ||
| } | ||
|
|
||
| # OS specific support (must be 'true' or 'false'). | ||
| cygwin=false | ||
| msys=false | ||
| darwin=false | ||
| nonstop=false | ||
| case "`uname`" in | ||
| CYGWIN* ) | ||
| cygwin=true | ||
| ;; | ||
| Darwin* ) | ||
| darwin=true | ||
| ;; | ||
| MINGW* ) | ||
| msys=true | ||
| ;; | ||
| NONSTOP* ) | ||
| nonstop=true | ||
| ;; | ||
| esac | ||
|
|
||
|
|
||
| # Loop in case we encounter an error. | ||
| for attempt in 1 2 3; do | ||
| if [ ! -e $APP_HOME/gradle/wrapper/gradle-wrapper.jar ]; then | ||
| if ! curl -s -S --retry 3 -L -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" "https://raw.githubusercontent.com/gradle/gradle/v5.0.0/gradle/wrapper/gradle-wrapper.jar"; then | ||
| rm -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | ||
| # Pause for a bit before looping in case the server throttled us. | ||
| sleep 5 | ||
| continue | ||
| fi | ||
| fi | ||
| done | ||
|
|
||
| CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar | ||
|
|
||
| # Determine the Java command to use to start the JVM. | ||
| 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 | ||
| if [ ! -x "$JAVACMD" ] ; then | ||
| die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME | ||
| Please set the JAVA_HOME variable in your environment to match the | ||
| location of your Java installation." | ||
| fi | ||
| else | ||
| JAVACMD="java" | ||
| which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. | ||
| Please set the JAVA_HOME variable in your environment to match the | ||
| location of your Java installation." | ||
| fi | ||
|
|
||
| # Increase the maximum file descriptors if we can. | ||
| if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then | ||
| MAX_FD_LIMIT=`ulimit -H -n` | ||
| if [ $? -eq 0 ] ; then | ||
| if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then | ||
| MAX_FD="$MAX_FD_LIMIT" | ||
| fi | ||
| ulimit -n $MAX_FD | ||
| if [ $? -ne 0 ] ; then | ||
| warn "Could not set maximum file descriptor limit: $MAX_FD" | ||
| fi | ||
| else | ||
| warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" | ||
| fi | ||
| fi | ||
|
|
||
| # For Darwin, add options to specify how the application appears in the dock | ||
| if $darwin; then | ||
| GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" | ||
| fi | ||
|
|
||
| # For Cygwin, switch paths to Windows format before running java | ||
| if $cygwin ; then | ||
| APP_HOME=`cygpath --path --mixed "$APP_HOME"` | ||
| CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` | ||
| JAVACMD=`cygpath --unix "$JAVACMD"` | ||
|
|
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| # We build the pattern for arguments to be converted via cygpath | ||
| ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` | ||
| SEP="" | ||
| for dir in $ROOTDIRSRAW ; do | ||
| ROOTDIRS="$ROOTDIRS$SEP$dir" | ||
| SEP="|" | ||
| done | ||
| OURCYGPATTERN="(^($ROOTDIRS))" | ||
| # Add a user-defined pattern to the cygpath arguments | ||
| if [ "$GRADLE_CYGPATTERN" != "" ] ; then | ||
| OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" | ||
| fi | ||
| # Now convert the arguments - kludge to limit ourselves to /bin/sh | ||
| i=0 | ||
| for arg in "$@" ; do | ||
| CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` | ||
| CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option | ||
|
|
||
| if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition | ||
| eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` | ||
| else | ||
| eval `echo args$i`="\"$arg\"" | ||
| fi | ||
| i=$((i+1)) | ||
| done | ||
| case $i in | ||
| (0) set -- ;; | ||
| (1) set -- "$args0" ;; | ||
| (2) set -- "$args0" "$args1" ;; | ||
| (3) set -- "$args0" "$args1" "$args2" ;; | ||
| (4) set -- "$args0" "$args1" "$args2" "$args3" ;; | ||
| (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; | ||
| (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; | ||
| (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; | ||
| (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; | ||
| (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; | ||
| esac | ||
| fi | ||
|
|
||
| # Escape application args | ||
| save () { | ||
| for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done | ||
| echo " " | ||
| } | ||
| APP_ARGS=$(save "$@") | ||
|
|
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| # Collect all arguments for the java command, following the shell quoting and substitution rules | ||
| eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" | ||
|
|
||
| # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong | ||
| if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then | ||
| cd "$(dirname "$0")" | ||
| fi | ||
|
|
||
| exec "$JAVACMD" "$@" |
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