File _service:tar_scm:0001-adapt-mvn-script.patch of Package maven

From 405e23d53b66a688082ed8c22385c5174e212be4 Mon Sep 17 00:00:00 2001
From: Michael Simacek <msimacek@redhat.com>
Date: Mon, 25 May 2020 12:10:33 +0200
Subject: [PATCH 1/4] adapt mvn script

---
 apache-maven/src/bin/mvn | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/apache-maven/src/bin/mvn b/apache-maven/src/bin/mvn
index a554c66..0c07ba6 100644
--- a/apache-maven/src/bin/mvn
+++ b/apache-maven/src/bin/mvn
@@ -22,7 +22,7 @@
 #
 # Environment Variable Prerequisites
 #
-#   JAVA_HOME       Must point at your Java Development Kit installation.
+#   JAVA_HOME       (Optional) Must point at your Java Development Kit installation.
 #   MAVEN_OPTS      (Optional) Java runtime options used when Maven is executed.
 #   MAVEN_SKIP_RC   (Optional) Flag to disable loading of mavenrc files.
 # -----------------------------------------------------------------------------
@@ -33,12 +33,24 @@ if [ -z "$MAVEN_SKIP_RC" ] ; then
     . /etc/mavenrc
   fi
 
+  if [ -f /etc/java/maven.conf ] ; then
+    . /etc/java/maven.conf
+  fi
+
   if [ -f "$HOME/.mavenrc" ] ; then
     . "$HOME/.mavenrc"
   fi
 
 fi
 
+if [ -f /usr/share/java-utils/java-functions ] ; then
+  . /usr/share/java-utils/java-functions
+  set_jvm
+  set_javacmd
+fi
+export JAVA_HOME
+export JAVACMD
+
 # OS specific support. $var _must_ be set to either true or false.
 cygwin=false;
 mingw=false;
@@ -63,7 +75,8 @@ done
 
 saveddir=`pwd`
 
-MAVEN_HOME=`dirname "$PRG"`/..
+MAVEN_HOME="${_FEDORA_MAVEN_HOME:-`dirname "$PRG"`/..}"
+unset _FEDORA_MAVEN_HOME
 
 # make it fully qualified
 MAVEN_HOME=`cd "$MAVEN_HOME" && pwd`
-- 
2.26.2