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#!/usr/bin/env bash
# Copyright (C) 2013-2015 Luke Shumaker <lukeshu@sbcglobal.net>
#
# License: GNU GPLv2+
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
default_libdir=/usr/lib/xbs
. libremessages
. "$(librelib conf)"
errusage() {
if [[ $# -gt 0 ]]; then
error "$@"
fi
usage >&2
exit 1
}
usage() {
print 'Usage: %s [-b BUILDSYSTEM|-h] COMMAND [ARGUMENTS]' "${0##*/}"
print 'Tool for working with arbitrary ABS-like build systems'
echo
prose 'This is a pluggable tool. The BUILDSYSTEM it uses is configured
in:'
bullet '/etc/xbs.conf'
bullet '${XDG_CONFIG_HOME}/xbs.conf'
bullet 'with the `-b` flag'
prose 'Later items take precedence over earlier ones.'
echo
prose 'It looks for a helper programs named helper-${BUILDSYSTEM}, in
the directory `%q` by default, but this directory can be changed
with the environmental variable XBS_LIBDIR.' "$default_libdir"
echo
print 'Options:'
flag "-b $(_ BUILDSYSTEM)" 'Use BUILDSYSTEM instead of the one
configured in xbs.conf' \
'-h' 'Show this message'
echo
prose "Whether a command is intended for use on a developer's box or on
the server is indicated by (dev), (srv), or (any) before the
command"
echo
print 'Commands:'
flag "$(_ '(dev) status')" \
'Are there uncommitted changes in `.`?' \
"$(_ '(dev) download')" \
'Download or update the tree' \
"$(_ '(dev) release-client REPO ARCH')" \
'Release `.` (for developer boxes)' \
"$(_ '(srv) release-server REPO ARCH')" \
'Release `.` (for server boxes)' \
"$(_ '(srv) unrelease PKGBASE REPO ARCH')" \
'Unrelease a pkgbase' \
"$(_ '(srv) move FROMREPO TOREPO PKGBASE')" \
'Move a pkgbase from one repo to another' \
"$(_ '(srv) releasepath PKGBASE REPO ARCH')" \
'Print the path to the staged version of pkgbase, or exit with
non-zero if not released'
}
status() {
if [[ ! -f PKGBUILD ]]; then
error 'PKGBUILD not found'
# Though in this file in general it doesn't matter, in
# this case it does: Using "exit" instead of "return"
# is imporant because it prevents flow returning to
# release-client.
exit 1
fi
"$HELPER" status "$@"
}
download() {
"$HELPER" download "$@"
}
release-client() {
if ! status; then
error 'You have not committed your changes yet!'
exit 1
fi
"$HELPER" release-client "$@"
}
release-server() {
if [[ ! -f PKGBUILD ]]; then
error 'PKGBUILD not found'
exit 1
fi
"$HELPER" release-server "$@"
}
unrelease() {
"$HELPER" unrelease "$@"
}
move() {
"$HELPER" move "$@"
}
releasepath() {
"$HELPER" releasepath "$@"
}
main() {
BUILDSYSTEM=''
while getopts 'b:h' arg; do
case $arg in
b) BUILDSYSTEM=$OPTARG;;
h) usage; return 0;;
*) errusage;;
esac
done
shift $(($OPTIND - 1))
if [[ -z $BUILDSYSTEM ]]; then
load_files xbs || return 1
check_vars xbs BUILDSYSTEM || {
prose 'or specify the `-b` flag.' >&2
return 1
}
fi
if [[ -z $XBS_LIBDIR ]]; then
export XBS_LIBDIR=$default_libdir
fi
HELPER="${XBS_LIBDIR}/helper-${BUILDSYSTEM}"
if [[ ! -x "$HELPER" ]]; then
error 'No helper for build system found: %s' "$BUILDSYSTEM"
return 1;
fi
if [[ $# -lt 1 ]]; then
errusage "Must specify a command"
fi
if [[ -w / ]]; then
error 'Run as a normal user'
fi
local cmd=$1; shift
case "$cmd" in
status|download)
[[ $# -eq 0 ]] || errusage 'bad number of argments'
"$cmd" "$@"
;;
release-client|release-server)
[[ $# -eq 2 ]] || errusage 'bad number of argments'
"$cmd" "$@"
;;
move|unrelease|releasepath)
[[ $# -eq 3 ]] || errusage 'bad number of argments'
"$cmd" "$@"
;;
*) errusage 'unknown command: %s' "$cmd";;
esac
}
main "$@"
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