Add linux script to build remote branches from current state on sour…

…ce branch.

remote-branch.sh

@@ -0,0 +1,134 @@
+# See usage function.
+#
+# Description:
+# Script to create new remote branches in Git. 
+#
+# Options:
+# See usage function.
+#========================================================================================
+#========================================================================================
+# Description: Display usage information then abort the script.
+#========================================================================================
+
+#include the utility library
+source `dirname $0`/rhq_bash.lib
+
+usage() 
+{
+   USAGE=$(
+cat << EOF
+USAGE:   remote-branch.sh OPTIONS
+
+   --source-branch=git_branch             [REQUIRED]
+      The branch to base the new remote branch on. Ex. release/jon3.1.x, or master.  Script assumes the 
+      most recent commits from the 'source-branch' are to be replicated to the new 'release-branch'. 
+
+   --new-remote-branch=git_branch_name    [REQUIRED]
+      Git branch name to be created. Assumes no such local or remote branch by this name already exists.
+
+EOF
+)
+
+   EXAMPLE="remote-branch.sh --source-branch=\"release/jon3.1.x\" --new-remote-branch=\"rc/jon3.1.2.GA\""
+
+   abort "$@" "$USAGE" "$EXAMPLE"
+}
+
+#========================================================================================
+# Description: Validate and parse input arguments
+#========================================================================================
+parse_and_validate_options()
+{
+   print_function_information $FUNCNAME
+
+   SOURCE_BRANCH=
+   NEW_REMOTE_BRANCH=
+
+   short_options="h"
+   long_options="help,source-branch:,new-remote-branch:"
+
+   PROGNAME=${0##*/}
+   ARGS=$(getopt -s bash --options $short_options --longoptions $long_options --name $PROGNAME -- "$@" )
+   eval set -- "$ARGS"
+
+   while true; do
+	   case $1 in
+         -h|--help)
+            usage
+            ;;
+         --source-branch)
+            shift
+            SOURCE_BRANCH="$1"
+            shift
+            ;;
+         --new-remote-branch)
+            shift
+            NEW_REMOTE_BRANCH="$1"
+            shift
+            ;;
+         --)
+            shift
+            break
+            ;;
+         *)
+            usage
+            ;;
+	   esac
+   done
+
+   if [ -z "$SOURCE_BRANCH" ];
+   then
+      usage "Git source branch not specified!"
+   fi
+
+   if [ -z "$NEW_REMOTE_BRANCH" ];
+   then
+      usage "New remote branch name not specified!"
+   fi
+
+   print_centered "Script Options"
+   script_options=( "SOURCE_BRANCH" "NEW_REMOTE_BRANCH")
+   print_variables "${script_options[@]}"
+}
+
+#========================================================================================
+# Description: Set all the local and environment variables required by the script.
+#========================================================================================
+synch_build_branch_and_push()
+{
+
+# checkout the source branch
+echo "git checkout $GIT_SOURCE_BRANCH"
+git checkout $GIT_SOURCE_BRANCH
+
+# fetch all changes in remotes since last fetch
+echo "git fetch --all"
+git fetch --all
+
+# synch the current branch with the latest on source branch
+echo "git pull --rebase"
+git pull --rebase
+
+# echo current local branches
+echo "git branch"
+git branch
+
+# create new git branch with last commit to source branch
+echo "git checkout -b $NEW_REMOTE_BRANCH"
+git checkout -b $NEW_REMOTE_BRANCH
+
+# push new local branch remote. Local and remote branch has same name.
+echo "git push origin $NEW_REMOTE_BRANCH:$NEW_REMOTE_BRANCH"
+git push origin $NEW_REMOTE_BRANCH:$NEW_REMOTE_BRANCH
+
+# set local branch to track remote git branch of the same name
+echo "branch --set-upstream $NEW_REMOTE_BRANCH origin/$NEW_REMOTE_BRANCH"
+git branch --set-upstream $NEW_REMOTE_BRANCH origin/$NEW_REMOTE_BRANCH
+
+}
+
+############ MAIN SCRIPT ############
+
+parse_and_validate_options $@
+
+synch_build_branch_and_push