nodejs-custom-version-openshift-installer.sh

#!/bin/bash
## Nodejs custom version installer
##
## Ronaldo Barbachano April 2013
## Based on the openshift/nodejscustom-version-openshift repo
##
## Supply with path to existing openshift repo, or move script into
## repo root.
##
## Probably less headaches if this is run immediately after
## application creation.

function exitStatus {
## used to end program flow if specific tasks (commands) fail
    if [ "$1" != 0 ]; then
        exit
    fi
}
arg1=$1
if [ "$arg1" == "" ]; then

    openshift_path=
    while [ -z $openshift_path ]
    do
        echo -n 'Path to openshift repo relative to script? 
        **Hint move script if youre lazy and leave blank
    '
        read openshift_path
    done
else
    openshift_path=$1
fi
if [ "$openshift_path" != "" ]; then
    cd "$openshift_path"
fi
node_version=
while [ -z $node_version ]
do
    echo -n 'Please enter a valid version of node (0.10.3)
'
    read node_version
done
## probably change this branch name to something other than 'upstream'
git remote add upstream -m master git://github.com/openshift/nodejs-custom-version-openshift.git
exitStatus $?
git pull -s recursive -X theirs upstream master
exitStatus $?
echo "$node_version" >> .openshift/markers/NODEJS_VERSION
exitStatus $?
git add .openshift/markers/NODEJS_VERSION
exitStatus $?
git commit -m 'use custom Node version '"$node_version"
exitStatus $?