add-origin

#!/bin/sh

set -e -u -o pipefail

: ${ORIGIN:=}

while getopts "o:" OPT; do
    case $OPT in
        o)
            ORIGIN=${OPTARG}
            ;;
    esac
done

shift $((${OPTIND} - 1))

[ -n "${ORIGIN}" ] || {
    echo "$(basename $0): origin not specified."
    exit 1
}

for _file in "$@"; do
    [ -f ${_file} ] || {
        echo "$(basename $0): ${_file} does not exist."
        exit 1
    }
done

_lastfile=""

for _file in "$@"; do
    _lastfile=${_file}

    echo "$(basename $0): adding ${ORIGIN} to ${_file}."

    _tmpfile=$(mktemp)

    (echo ${ORIGIN}; cat ${_file}) | sort -f | uniq > ${_tmpfile}

    cat ${_tmpfile} > ${_file}

    rm ${_tmpfile}

    git add ${_file}
done

git commit -m "$(basename $(dirname ${_lastfile})): add ${ORIGIN}."