usage() {

echo "usage: bump-version <version-id>"

}

if [ $# -ne 1 ]; then

usage

exit 1

if ! sed 's/^GITFLOW_VERSION=.*$/GITFLOW_VERSION='$1'/g' git-flow-version > .git-flow-version.new; then

echo "Could not replace GITFLOW_VERSION variable." >&2

exit 2

mv .git-flow-version.new git-flow-version

git add git-flow-version

git commit -m "Bumped version number to $1" git-flow-version