fix: sed s/\n/|/g did not work, need some sed voodoo magic (http://www.grymoire.com/Unix/Sed.html#uh-nl)

Author: glhez

bash_completion.bash

@@ -187,8 +187,7 @@ _mvn()
     local plugin_goals_wildfly="wildfly:add-resource|wildfly:deploy|wildfly:deploy-only|wildfly:deploy-artifact|wildfly:redeploy|wildfly:redeploy-only|wildfly:undeploy|wildfly:undeploy-artifact|wildfly:run|wildfly:start|wildfly:shutdown|wildfly:execute-commands"
 
     ## some plugin (like jboss-as) has '-' which is not allowed in shell var name, to use '_' then replace
-    local common_plugins=`compgen -v | \grep "^plugin_goals_.*" | sed -e 's/plugin_goals_//g' -e 's/_/-/g' -e 's@\n@|@g'`
-
+    local common_plugins=`compgen -v | \grep "^plugin_goals_.*" | sed -e 's/plugin_goals_//g' -e 's/_/-/g' | tr '\n' '|'`
     local options="-Dmaven.test.skip=true|-DskipTests|-DskipITs|-Dtest|-Dit.test|-DfailIfNoTests|-Dmaven.surefire.debug|-DenableCiProfile|-Dpmd.skip=true|-Dcheckstyle.skip=true|-Dtycho.mode=maven|-Dmaven.javadoc.skip=true|-Dgwt.compiler.skip|-Dcobertura.skip=true|-Dfindbugs.skip=true||-DperformRelease=true|-Dgpg.skip=true|-DforkCount"
 
     local OIFS=$IFS
@@ -200,11 +199,11 @@ _mvn()
     elif [[ ${prev} == -P || ${prev} == --activate-profiles ]] ; then
       IFS=$OIFS
 
-      local profile_settings=`[ -e ~/.m2/settings.xml ] && \grep -e "<profile>" -A 1 ~/.m2/settings.xml | \grep -e "<id>.*</id>" | sed -e 's/.*<id>//' -e 's/<\/id>.*//g' -e 's@\n@|@g' `
+      local profile_settings=`[ -e ~/.m2/settings.xml ] && \grep -e "<profile>" -A 1 ~/.m2/settings.xml | \grep -e "<id>.*</id>" | sed -e 's/.*<id>//' -e 's/<\/id>.*//g' | tr '\n' '|' `
       local profiles="${profile_settings}|"
       for item in ${POM_HIERARCHY[*]}
       do
-          local profile_pom=`[ -e $item ] && \grep -e "<profile>" -A 1 $item | \grep -e "<id>.*</id>" | sed -e 's/.*<id>//' -e 's/<\/id>.*//g' -e 's@\n@|@g' `
+          local profile_pom=`[ -e $item ] && \grep -e "<profile>" -A 1 $item | \grep -e "<id>.*</id>" | sed -e 's/.*<id>//' -e 's/<\/id>.*//g' | tr '\n' '|'`
           local profiles="${profiles}|${profile_pom}"
       done