#!/bin/sh -efu

. gear-sh-functions

name=
version=
file=
parse_filename()
{
	local sep tmp
	name=
	version=
	file="${1##*/}"

	# .(tar(.gz|.bz2.wtf)?|t(gz|bz?2|wtf))
	tmp="${file%.*}"
	tmp="${tmp%.tar}"
	# .orig.tar.gz
	tmp="${tmp%.orig}"

	# name-version-(src|sources|whatever)
	if printf %s "$tmp" | egrep -qse '-[a-z]+$' >/dev/null 2>&1; then
		tmp="${tmp%-*}"
	fi

	# name-version and name_version
	sep=_
	[ -z "${tmp##*_*}" -a -n "${tmp##*_*-*}" ] ||
		sep=-

	name="${tmp%$sep*}"
	version="${tmp#$name$sep}"
}

commit_msg='Imported @file@'
tag_name='@name@-@version@'
tag_msg='@name@ @version@'

subdir="$1" && shift
files=
while [ $# -gt 0 ]; do
	case "$1" in
		--) shift; break;;
		*) files="$files
$1" ;;
	esac
	shift
done

for f in $files; do
	parse_filename "$f"

	tmp_ci_msg="$commit_msg"
	tmp_tag_name="$tag_name"
	tmp_tag_msg="$tag_msg"
	
	subst_key_in_vars '@file@' "$file" tmp_ci_msg tmp_tag_name tmp_tag_msg
	subst_key_in_vars '@name@' "$name" tmp_ci_msg tmp_tag_name tmp_tag_msg
	subst_key_in_vars '@version@' "$version" tmp_ci_msg tmp_tag_name tmp_tag_msg

	git clean -f -d "$subdir"
	gear-update "$@" -- "$f" "$subdir"
	faketime -r "$f" -- git commit -m "$tmp_ci_msg"
	faketime -r "$f" -- git tag -f -m "$tmp_tag_msg" "$tmp_tag_name"
done