#!/bin/bash
#
# Run Travis CI scripts from an environment variable.
#
# This script evaluates and executes the command string from the RUN
# environment variable.
#
# It allows you to execute different commands in a test matrix on Travis CI,
# based on env vars in your .travis.yml.
#
declare RUN_DEFAULT=""

# Perform default action if none specified
if [ -z "$RUN" ]; then
	RUN=$RUN_DEFAULT
fi

# Exit with error if there's nothing to do
if [ -z "$RUN" ]; then
	echo "ERROR: No actions specified and no default actions. Exiting." >&2
	exit 1
fi

# Execute the command string; echo the commands as they run
eval "set -x; $RUN"