bcup

#!/usr/bin/env bash
# bcup - update bash_common
#
# Pulls the latest bash_common from git. Optionally re-downloads bundled
# completion scripts from their upstream sources.
#
# Usage: bcup [-u] [-h]
#   -u   update bundled completion scripts (git completion etc.)
#   -h   show this help

SCRIPTPATH=$( cd $(dirname $0) ; pwd -P )

usage() {
    echo "Usage: $(basename $0) [-u] [-h]"
    echo "  -u   update bundled completion scripts"
    echo "  -h   show this help"
}

while getopts "uh" OPT; do
    case "${OPT}" in
        u) DO_UPDATE=1 ;;
        h) usage; exit 0 ;;
        *) usage; exit 1 ;;
    esac
done

echo "Get latest"
pushd $BC_INSTALL_DIR
git pull
popd

if [ -n "$DO_UPDATE" ]; then
    if ! command_exists wget; then
        echo "Error: wget not installed. Run bcinit to install dependencies." >&2
        exit 1
    fi

    pushd $BC_INSTALL_DIR/completion
    wget https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash -O git.completion.bash
    popd
fi