[MNG-7205] Simplify/unify Cygwin/MingGW handling in startup scripts

This closes #520

apache-maven/src/assembly/shared/init

@@ -1,21 +1,9 @@
-CLASSWORLDS_CONF="${MAVEN_HOME}/bin/m2.conf"
+CLASSWORLDS_CONF="$MAVEN_HOME/bin/m2.conf"
 
-# For Cygwin, ensure paths are in Unix format before anything is touched
-if $cygwin ; then
-  [ -n "$MAVEN_HOME" ] &&
-    MAVEN_HOME=`cygpath --unix "$MAVEN_HOME"`
+# For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
+if $cygwin || $mingw ; then
   [ -n "$JAVA_HOME" ] &&
     JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-  [ -n "$CLASSPATH" ] &&
-    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
-fi
-
-# For Mingw, ensure paths are in Unix format before anything is touched
-if $mingw ; then
-  [ -n "$MAVEN_HOME" ] &&
-    MAVEN_HOME=`(cd "$MAVEN_HOME"; pwd)`
-  [ -n "$JAVA_HOME" ] &&
-    JAVA_HOME=`(cd "$JAVA_HOME"; pwd)`
 fi
 
 if [ -n "$JAVA_HOME" ] ; then
@@ -96,13 +84,3 @@ concat_lines() {
 
 MAVEN_PROJECTBASEDIR="`find_maven_basedir "$@"`"
 MAVEN_OPTS="`concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config"` $MAVEN_OPTS"
-
-# For Cygwin, switch project base directory path to Windows format before
-# executing Maven otherwise this will cause Maven not to consider it.
-if $cygwin ; then
-  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
-  MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
-fi
-
-export MAVEN_PROJECTBASEDIR
-

apache-maven/src/assembly/shared/mvnlauncher

@@ -1,3 +1,3 @@
-LAUNCHER_JAR=`echo "${MAVEN_HOME}"/boot/plexus-classworlds-*.jar`
+LAUNCHER_JAR=`echo "$MAVEN_HOME"/boot/plexus-classworlds-*.jar`
 MAVEN_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
 

apache-maven/src/assembly/shared/run

@@ -1,20 +1,18 @@
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin ; then
-  [ -n "$MAVEN_HOME" ] &&
-    MAVEN_HOME=`cygpath --path --windows "$MAVEN_HOME"`
+# For Cygwin and MinGW, switch paths to Windows format before running java(1) command
+if $cygwin || $mingw ; then
   [ -n "$JAVA_HOME" ] &&
-    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
-  [ -n "$CLASSPATH" ] &&
-    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
-  [ -n "$LAUNCHER_JAR" ] &&
-    LAUNCHER_JAR=`cygpath --path --windows "$LAUNCHER_JAR"`
+    JAVA_HOME=`cygpath --windows "$JAVA_HOME"`
+  LAUNCHER_JAR=`cygpath --windows "$LAUNCHER_JAR"`
+  CLASSWORLDS_CONF=`cygpath --windows "$CLASSWORLDS_CONF"`
+  MAVEN_HOME=`cygpath --windows "$MAVEN_HOME"`
+  MAVEN_PROJECTBASEDIR=`cygpath --windows "$MAVEN_PROJECTBASEDIR"`
 fi
 
 exec "$JAVACMD" \
   $MAVEN_OPTS \
   $MAVEN_DEBUG_OPTS \
-  -classpath "${LAUNCHER_JAR}" \
+  -classpath "$LAUNCHER_JAR" \
   "-Dclassworlds.conf=$CLASSWORLDS_CONF" \
   "-Dmaven.home=$MAVEN_HOME" \
-  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  "-Dmaven.multiModuleProjectDirectory=$MAVEN_PROJECTBASEDIR" \
   $MAVEN_LAUNCHER "$@"

apache-maven/src/assembly/shared/validate

@@ -51,4 +51,3 @@ case "`uname`" in
   MINGW*) mingw=true;;
 esac
 
-