1919# ----------------------------------------------------------------------------
2020
2121# ----------------------------------------------------------------------------
22- # Maven Start Up Batch script
22+ # Apache Maven Wrapper startup batch script, version 3.2.0
2323#
2424# Required ENV vars:
2525# ------------------
2626# JAVA_HOME - location of a JDK home dir
2727#
2828# Optional ENV vars
2929# -----------------
30- # M2_HOME - location of maven2's installed home dir
3130# MAVEN_OPTS - parameters passed to the Java VM when running Maven
3231# e.g. to debug Maven itself, use
3332# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
5453cygwin=false;
5554darwin=false;
5655mingw=false
57- case " ` uname` " in
56+ case " $( uname) " in
5857 CYGWIN* ) cygwin=true ;;
5958 MINGW* ) mingw=true;;
6059 Darwin* ) darwin=true
6160 # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
6261 # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
6362 if [ -z " $JAVA_HOME " ]; then
6463 if [ -x " /usr/libexec/java_home" ]; then
65- export JAVA_HOME=" ` /usr/libexec/java_home` "
64+ JAVA_HOME=" $( /usr/libexec/java_home) " ; export JAVA_HOME
6665 else
67- export JAVA_HOME=" /Library/Java/Home"
66+ JAVA_HOME=" /Library/Java/Home" ; export JAVA_HOME
6867 fi
6968 fi
7069 ;;
7170esac
7271
7372if [ -z " $JAVA_HOME " ] ; then
7473 if [ -r /etc/gentoo-release ] ; then
75- JAVA_HOME=` java-config --jre-home`
74+ JAVA_HOME=$( java-config --jre-home)
7675 fi
7776fi
7877
79- if [ -z " $M2_HOME " ] ; then
80- # # resolve links - $0 may be a link to maven's home
81- PRG=" $0 "
82-
83- # need this for relative symlinks
84- while [ -h " $PRG " ] ; do
85- ls=` ls -ld " $PRG " `
86- link=` expr " $ls " : ' .*-> \(.*\)$' `
87- if expr " $link " : ' /.*' > /dev/null; then
88- PRG=" $link "
89- else
90- PRG=" ` dirname " $PRG " ` /$link "
91- fi
92- done
93-
94- saveddir=` pwd`
95-
96- M2_HOME=` dirname " $PRG " ` /..
97-
98- # make it fully qualified
99- M2_HOME=` cd " $M2_HOME " && pwd`
100-
101- cd " $saveddir "
102- # echo Using m2 at $M2_HOME
103- fi
104-
10578# For Cygwin, ensure paths are in UNIX format before anything is touched
10679if $cygwin ; then
107- [ -n " $M2_HOME " ] &&
108- M2_HOME=` cygpath --unix " $M2_HOME " `
10980 [ -n " $JAVA_HOME " ] &&
110- JAVA_HOME=` cygpath --unix " $JAVA_HOME " `
81+ JAVA_HOME=$( cygpath --unix " $JAVA_HOME " )
11182 [ -n " $CLASSPATH " ] &&
112- CLASSPATH=` cygpath --path --unix " $CLASSPATH " `
83+ CLASSPATH=$( cygpath --path --unix " $CLASSPATH " )
11384fi
11485
11586# For Mingw, ensure paths are in UNIX format before anything is touched
11687if $mingw ; then
117- [ -n " $M2_HOME " ] &&
118- M2_HOME=" ` (cd " $M2_HOME " ; pwd)` "
119- [ -n " $JAVA_HOME " ] &&
120- JAVA_HOME=" ` (cd " $JAVA_HOME " ; pwd)` "
88+ [ -n " $JAVA_HOME " ] && [ -d " $JAVA_HOME " ] &&
89+ JAVA_HOME=" $( cd " $JAVA_HOME " || (echo " cannot cd into $JAVA_HOME ." ; exit 1); pwd) "
12190fi
12291
12392if [ -z " $JAVA_HOME " ]; then
124- javaExecutable=" ` which javac` "
125- if [ -n " $javaExecutable " ] && ! [ " ` expr \" $javaExecutable \" : ' \([^ ]*\)' ` " = " no" ]; then
93+ javaExecutable=" $( which javac) "
94+ if [ -n " $javaExecutable " ] && ! [ " $( expr " \" $javaExecutable \" " : ' \([^ ]*\)' ) " = " no" ]; then
12695 # readlink(1) is not available as standard on Solaris 10.
127- readLink=` which readlink`
128- if [ ! ` expr " $readLink " : ' \([^ ]*\)' ` = " no" ]; then
96+ readLink=$( which readlink)
97+ if [ ! " $( expr " $readLink " : ' \([^ ]*\)' ) " = " no" ]; then
12998 if $darwin ; then
130- javaHome=" ` dirname \" $javaExecutable \" ` "
131- javaExecutable=" ` cd \" $javaHome \" && pwd -P` /javac"
99+ javaHome=" $( dirname " \" $javaExecutable \" " ) "
100+ javaExecutable=" $( cd " \" $javaHome \" " && pwd -P) /javac"
132101 else
133- javaExecutable=" ` readlink -f \" $javaExecutable \" ` "
102+ javaExecutable=" $( readlink -f " \" $javaExecutable \" " ) "
134103 fi
135- javaHome=" ` dirname \" $javaExecutable \" ` "
136- javaHome=` expr " $javaHome " : ' \(.*\)/bin' `
104+ javaHome=" $( dirname " \" $javaExecutable \" " ) "
105+ javaHome=$( expr " $javaHome " : ' \(.*\)/bin' )
137106 JAVA_HOME=" $javaHome "
138107 export JAVA_HOME
139108 fi
@@ -149,7 +118,7 @@ if [ -z "$JAVACMD" ] ; then
149118 JAVACMD=" $JAVA_HOME /bin/java"
150119 fi
151120 else
152- JAVACMD=" ` \\ unset -f command ; \\ command -v java` "
121+ JAVACMD=" $( \ u nset -f command 2> /dev/null ; \c ommand -v java) "
153122 fi
154123fi
155124
@@ -163,12 +132,9 @@ if [ -z "$JAVA_HOME" ] ; then
163132 echo " Warning: JAVA_HOME environment variable is not set."
164133fi
165134
166- CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
167-
168135# traverses directory structure from process work directory to filesystem root
169136# first directory with .mvn subdirectory is considered project base directory
170137find_maven_basedir () {
171-
172138 if [ -z " $1 " ]
173139 then
174140 echo " Path not specified to find_maven_basedir"
@@ -184,96 +150,99 @@ find_maven_basedir() {
184150 fi
185151 # workaround for JBEAP-8937 (on Solaris 10/Sparc)
186152 if [ -d " ${wdir} " ]; then
187- wdir=` cd " $wdir /.." ; pwd`
153+ wdir=$( cd " $wdir /.." || exit 1 ; pwd)
188154 fi
189155 # end of workaround
190156 done
191- echo " ${ basedir} "
157+ printf ' %s ' " $( cd " $ basedir" || exit 1 ; pwd ) "
192158}
193159
194160# concatenates all lines of a file
195161concat_lines () {
196162 if [ -f " $1 " ]; then
197- echo " $( tr -s ' \n' ' ' < " $1 " ) "
163+ # Remove \r in case we run on Windows within Git Bash
164+ # and check out the repository with auto CRLF management
165+ # enabled. Otherwise, we may read lines that are delimited with
166+ # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
167+ # splitting rules.
168+ tr -s ' \r\n' ' ' < " $1 "
169+ fi
170+ }
171+
172+ log () {
173+ if [ " $MVNW_VERBOSE " = true ]; then
174+ printf ' %s\n' " $1 "
198175 fi
199176}
200177
201- BASE_DIR=` find_maven_basedir " $( pwd ) " `
178+ BASE_DIR=$( find_maven_basedir " $( dirname " $0 " ) " )
202179if [ -z " $BASE_DIR " ]; then
203180 exit 1;
204181fi
205182
183+ MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:- " $BASE_DIR " } ; export MAVEN_PROJECTBASEDIR
184+ log " $MAVEN_PROJECTBASEDIR "
185+
206186# #########################################################################################
207187# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
208188# This allows using the maven wrapper in projects that prohibit checking in binary data.
209189# #########################################################################################
210- if [ -r " $BASE_DIR /.mvn/wrapper/maven-wrapper.jar" ]; then
211- if [ " $MVNW_VERBOSE " = true ]; then
212- echo " Found .mvn/wrapper/maven-wrapper.jar"
213- fi
190+ wrapperJarPath=" $MAVEN_PROJECTBASEDIR /.mvn/wrapper/maven-wrapper.jar"
191+ if [ -r " $wrapperJarPath " ]; then
192+ log " Found $wrapperJarPath "
214193else
215- if [ " $MVNW_VERBOSE " = true ]; then
216- echo " Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
217- fi
194+ log " Couldn't find $wrapperJarPath , downloading it ..."
195+
218196 if [ -n " $MVNW_REPOURL " ]; then
219- jarUrl =" $MVNW_REPOURL /org/apache/maven/wrapper/maven-wrapper/3.1 .0/maven-wrapper-3.1 .0.jar"
197+ wrapperUrl =" $MVNW_REPOURL /org/apache/maven/wrapper/maven-wrapper/3.2 .0/maven-wrapper-3.2 .0.jar"
220198 else
221- jarUrl =" https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1 .0/maven-wrapper-3.1 .0.jar"
199+ wrapperUrl =" https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2 .0/maven-wrapper-3.2 .0.jar"
222200 fi
223- while IFS=" =" read key value; do
224- case " $key " in (wrapperUrl) jarUrl=" $value " ; break ;;
201+ while IFS=" =" read -r key value; do
202+ # Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
203+ safeValue=$( echo " $value " | tr -d ' \r' )
204+ case " $key " in (wrapperUrl) wrapperUrl=" $safeValue " ; break ;;
225205 esac
226- done < " $BASE_DIR /.mvn/wrapper/maven-wrapper.properties"
227- if [ " $MVNW_VERBOSE " = true ]; then
228- echo " Downloading from: $jarUrl "
229- fi
230- wrapperJarPath=" $BASE_DIR /.mvn/wrapper/maven-wrapper.jar"
206+ done < " $MAVEN_PROJECTBASEDIR /.mvn/wrapper/maven-wrapper.properties"
207+ log " Downloading from: $wrapperUrl "
208+
231209 if $cygwin ; then
232- wrapperJarPath=` cygpath --path --windows " $wrapperJarPath " `
210+ wrapperJarPath=$( cygpath --path --windows " $wrapperJarPath " )
233211 fi
234212
235213 if command -v wget > /dev/null; then
236- if [ " $MVNW_VERBOSE " = true ]; then
237- echo " Found wget ... using wget"
238- fi
214+ log " Found wget ... using wget"
215+ [ " $MVNW_VERBOSE " = true ] && QUIET=" " || QUIET=" --quiet"
239216 if [ -z " $MVNW_USERNAME " ] || [ -z " $MVNW_PASSWORD " ]; then
240- wget " $jarUrl " -O " $wrapperJarPath " || rm -f " $wrapperJarPath "
217+ wget $QUIET " $wrapperUrl " -O " $wrapperJarPath " || rm -f " $wrapperJarPath "
241218 else
242- wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD " $jarUrl " -O " $wrapperJarPath " || rm -f " $wrapperJarPath "
219+ wget $QUIET --http-user=" $MVNW_USERNAME " --http-password=" $MVNW_PASSWORD " " $wrapperUrl " -O " $wrapperJarPath " || rm -f " $wrapperJarPath "
243220 fi
244221 elif command -v curl > /dev/null; then
245- if [ " $MVNW_VERBOSE " = true ]; then
246- echo " Found curl ... using curl"
247- fi
222+ log " Found curl ... using curl"
223+ [ " $MVNW_VERBOSE " = true ] && QUIET=" " || QUIET=" --silent"
248224 if [ -z " $MVNW_USERNAME " ] || [ -z " $MVNW_PASSWORD " ]; then
249- curl -o " $wrapperJarPath " " $jarUrl " -f
225+ curl $QUIET -o " $wrapperJarPath " " $wrapperUrl " -f -L || rm -f " $wrapperJarPath "
250226 else
251- curl --user $MVNW_USERNAME :$MVNW_PASSWORD -o " $wrapperJarPath " " $jarUrl " -f
227+ curl $QUIET --user " $MVNW_USERNAME :$MVNW_PASSWORD " -o " $wrapperJarPath " " $wrapperUrl " -f -L || rm -f " $wrapperJarPath "
252228 fi
253-
254229 else
255- if [ " $MVNW_VERBOSE " = true ]; then
256- echo " Falling back to using Java to download"
257- fi
258- javaClass=" $BASE_DIR /.mvn/wrapper/MavenWrapperDownloader.java"
230+ log " Falling back to using Java to download"
231+ javaSource=" $MAVEN_PROJECTBASEDIR /.mvn/wrapper/MavenWrapperDownloader.java"
232+ javaClass=" $MAVEN_PROJECTBASEDIR /.mvn/wrapper/MavenWrapperDownloader.class"
259233 # For Cygwin, switch paths to Windows format before running javac
260234 if $cygwin ; then
261- javaClass=` cygpath --path --windows " $javaClass " `
235+ javaSource=$( cygpath --path --windows " $javaSource " )
236+ javaClass=$( cygpath --path --windows " $javaClass " )
262237 fi
263- if [ -e " $javaClass " ]; then
264- if [ ! -e " $BASE_DIR /.mvn/wrapper/MavenWrapperDownloader.class" ]; then
265- if [ " $MVNW_VERBOSE " = true ]; then
266- echo " - Compiling MavenWrapperDownloader.java ..."
267- fi
268- # Compiling the Java class
269- (" $JAVA_HOME /bin/javac" " $javaClass " )
238+ if [ -e " $javaSource " ]; then
239+ if [ ! -e " $javaClass " ]; then
240+ log " - Compiling MavenWrapperDownloader.java ..."
241+ (" $JAVA_HOME /bin/javac" " $javaSource " )
270242 fi
271- if [ -e " $BASE_DIR /.mvn/wrapper/MavenWrapperDownloader.class" ]; then
272- # Running the downloader
273- if [ " $MVNW_VERBOSE " = true ]; then
274- echo " - Running MavenWrapperDownloader.java ..."
275- fi
276- (" $JAVA_HOME /bin/java" -cp .mvn/wrapper MavenWrapperDownloader " $MAVEN_PROJECTBASEDIR " )
243+ if [ -e " $javaClass " ]; then
244+ log " - Running MavenWrapperDownloader.java ..."
245+ (" $JAVA_HOME /bin/java" -cp .mvn/wrapper MavenWrapperDownloader " $wrapperUrl " " $wrapperJarPath " ) || rm -f " $wrapperJarPath "
277246 fi
278247 fi
279248 fi
282251# End of extension
283252# #########################################################################################
284253
285- export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:- " $BASE_DIR " }
286- if [ " $MVNW_VERBOSE " = true ]; then
287- echo $MAVEN_PROJECTBASEDIR
254+ # If specified, validate the SHA-256 sum of the Maven wrapper jar file
255+ wrapperSha256Sum=" "
256+ while IFS=" =" read -r key value; do
257+ case " $key " in (wrapperSha256Sum) wrapperSha256Sum=$value ; break ;;
258+ esac
259+ done < " $MAVEN_PROJECTBASEDIR /.mvn/wrapper/maven-wrapper.properties"
260+ if [ -n " $wrapperSha256Sum " ]; then
261+ wrapperSha256Result=false
262+ if command -v sha256sum > /dev/null; then
263+ if echo " $wrapperSha256Sum $wrapperJarPath " | sha256sum -c > /dev/null 2>&1 ; then
264+ wrapperSha256Result=true
265+ fi
266+ elif command -v shasum > /dev/null; then
267+ if echo " $wrapperSha256Sum $wrapperJarPath " | shasum -a 256 -c > /dev/null 2>&1 ; then
268+ wrapperSha256Result=true
269+ fi
270+ else
271+ echo " Checksum validation was requested but neither 'sha256sum' or 'shasum' are available."
272+ echo " Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties."
273+ exit 1
274+ fi
275+ if [ $wrapperSha256Result = false ]; then
276+ echo " Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
277+ echo " Investigate or delete $wrapperJarPath to attempt a clean download." >&2
278+ echo " If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
279+ exit 1
280+ fi
288281fi
282+
289283MAVEN_OPTS=" $( concat_lines " $MAVEN_PROJECTBASEDIR /.mvn/jvm.config" ) $MAVEN_OPTS "
290284
291285# For Cygwin, switch paths to Windows format before running java
292286if $cygwin ; then
293- [ -n " $M2_HOME " ] &&
294- M2_HOME=` cygpath --path --windows " $M2_HOME " `
295287 [ -n " $JAVA_HOME " ] &&
296- JAVA_HOME=` cygpath --path --windows " $JAVA_HOME " `
288+ JAVA_HOME=$( cygpath --path --windows " $JAVA_HOME " )
297289 [ -n " $CLASSPATH " ] &&
298- CLASSPATH=` cygpath --path --windows " $CLASSPATH " `
290+ CLASSPATH=$( cygpath --path --windows " $CLASSPATH " )
299291 [ -n " $MAVEN_PROJECTBASEDIR " ] &&
300- MAVEN_PROJECTBASEDIR=` cygpath --path --windows " $MAVEN_PROJECTBASEDIR " `
292+ MAVEN_PROJECTBASEDIR=$( cygpath --path --windows " $MAVEN_PROJECTBASEDIR " )
301293fi
302294
303295# Provide a "standardized" way to retrieve the CLI args that will
304296# work with both Windows and non-Windows executions.
305- MAVEN_CMD_LINE_ARGS=" $MAVEN_CONFIG $@ "
297+ MAVEN_CMD_LINE_ARGS=" $MAVEN_CONFIG $* "
306298export MAVEN_CMD_LINE_ARGS
307299
308300WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
309301
302+ # shellcheck disable=SC2086 # safe args
310303exec " $JAVACMD " \
311304 $MAVEN_OPTS \
312305 $MAVEN_DEBUG_OPTS \
313306 -classpath " $MAVEN_PROJECTBASEDIR /.mvn/wrapper/maven-wrapper.jar" \
314- " -Dmaven.home=${M2_HOME} " \
315307 " -Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR} " \
316308 ${WRAPPER_LAUNCHER} $MAVEN_CONFIG " $@ "
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