#!/usr/bin/env bash
name=blobs/commit.f
desc='Add a plain file to the repository'
copyright=('2009-2010, 2015-2016  Luke Shumaker')
license='AGPLv3+'
# This file is part of rvs.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

usage='FILENAME [TYPE]'
doc="Note that FILENAME must be a regular file; character devices such as
/dev/stdin or /dev/fd/n won't work."

. "${0%/*}/_shlib.sh"

main() {
	case $# in
		0) errusage;;
		1) infile=$1; type=f;;
		2) infile=$1; type=$2;;
		*) errusage;;
	esac

	if ! [[ -f "$infile" ]]; then
		error 'Not a regular file: %s' "$infile"
	fi

	hash="$(<"$infile" sha1sum | cut -d ' ' -f1)"
	outfile="$RVS_REPO/blobs/$hash"
	if [ ! -f "$outfile" ]; then
		mkdir -p -- "${outfile%/*}"
		< "$infile" gzip -9 > "$outfile.tmp"
		mv -T -- "$outfile.tmp" "$outfile"
	fi
	printf '%s:%s\n' "$type" "$hash"
}

main "$@"