pacman/scripts/abs.sh.in

#!/bin/bash -e
#
#   abs - download a PKGBUILD tree from a CVS repository
#   @configure_input@
#
#   Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org>
#
#   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, write to the Free Software
#   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
#   USA.
#

##
# Script Exit Reasons
# -------------------
#              E_OK : Everything worked :)
# E_MISSING_PROGRAM : A program the script depends on is not installed.
#    E_CONFIG_ERROR : Missing/incorrect configuration.
#  E_INVALID_OPTION : User has passed unknown/invalid option to script.
##

# gettext initialization
export TEXTDOMAIN='pacman'
export TEXTDOMAINDIR='@localedir@'

myver='@PACKAGE_VERSION@'
BUG_REPORT_EMAIL='@PACKAGE_BUGREPORT@'
CONFDIR="@sysconfdir@/abs"
PASSIVE='m'

# Source config files
if [ -r "$CONFDIR/abs.conf" ]; then
	source "$CONFDIR/abs.conf"
fi

# User based overrides
if [ -r ~/.abs.conf ]; then
	source ~/.abs.conf
fi


msg() {
	local mesg=$1; shift
	printf "==> ${mesg}\n" "$@" >&2
}

error() {
	local mesg=$1; shift
	printf  "==> $(gettext "ERROR:") ${mesg}\n" "$@" >&2
}


usage() {
	printf "$(gettext "abs (pacman) %s - download a PKGBUILD tree from a CVS repository")\n\n" "$myver"
	printf "$(gettext "Usage %s [options] [repository...]")\n\n" "$0"
	printf "$(gettext "Options:")\n"
	printf "$(gettext "  -p, --passive  The connection is opened in passive mode.")\n"
	echo
	printf "$(gettext "  -h, --help     Display this help message then exit.")\n"
	printf "$(gettext "  -V, --version  Display version information then exit.")\n"
	echo
	printf "$(gettext "\
abs will synchronize build scripts from the CVS repository\n\
into %s. You can follow different package trees by\n\
editing %s files. If no argument is given, abs\n\
will synchronize from supfiles specified in %s.\n\n")" \
		"$ABSROOT" "$CONFDIR/supfile.*" "$CONFDIR/abs.conf"
	printf "$(gettext "Report bugs to <%s>.")\n" "$BUG_REPORT_EMAIL"
}

version() {
	printf "abs (pacman) %s\n" "$myver"
	printf "$(gettext "\
Copyright (C) 2002-2007 Judd Vinet <jvinet@zeroflux.org>.\n\n\
This is free software; see the source for copying conditions.\n\
There is NO WARRANTY, to the extent permitted by law.\n")"
}


##
# Signal Traps
##
trap 'error "$(gettext "TERM signal caught. Exiting...")"; exit 1' TERM HUP QUIT
trap 'error "$(gettext "Aborted by user! Exiting...")"; exit 1' INT
trap 'error "$(gettext "An unknown error has occured. Exiting...")"; exit 1' ERR


# Parse Command Line Options.
OPT_SHORT="hpV"
OPT_LONG="help,passive,version"
OPT_TEMP="$(getopt -o "$OPT_SHORT" -l "$OPT_LONG" -n "$(basename "$0")" -- "$@" || echo 'GETOPT GO BANG!')"
if echo "$OPT_TEMP" | grep -q 'GETOPT GO BANG!'; then
	# This is a small hack to stop the script bailing with 'set -e'
	echo; usage; exit 1 # E_INVALID_OPTION;
fi
eval set -- "$OPT_TEMP"
unset OPT_SHORT OPT_LONG OPT_TEMP

while true; do
	case "$1" in
		-p|--passive)  PASSIVE='-';;

		-h|--help)     usage; exit 0;; # E_OK
		-V|--version)  version; exit 0;; # E_OK

		--)            OPT_IND=0; shift; break;;
		*)             usage; exit 1;; # E_INVALID_OPTION
	esac
	shift
done

if [ $# -gt 0 ]; then
	SUPFILES=("$@")
fi


# Check permissions and programs.
if [ ! -d "$ABSROOT" ]; then
	error "$(gettext "%s does not exist or is not a directory.")" "$ABSROOT"
	exit 1 # E_CONFIG_ERROR
elif [ ! -w "$ABSROOT" ]; then
	error "$(gettext "You do not have write permissions in %s.")" "$ABSROOT"
	exit 1 # E_CONFIG_ERROR
fi


if [ "$(type -p csup)" ]; then
	CVSUP="csup"
elif [ "$(type -p cvsup)" ]; then
	CVSUP="cvsup"
else
	error "$(gettext "Missing CVS synchronization utility. Install csup or cvsup.")"
	exit 1 # E_MISSING_PROGRAM
fi


# Begin script.
for sup in ${SUPFILES[@]}; do
	case "$sup" in
		testing)
			if [ ! -d "$ABSROOT/$sup" ]; then
				mkdir "$ABSROOT/$sup"
			fi
			workdir="$ABSROOT/$sup"
			;;

		*)
			if [ "$sup" != "${sup#!}" ]; then
				continue
			fi
			workdir="$ABSROOT"
			;;
	esac

	msg "$(gettext "Updating %s...")" "$sup"
	cd "$workdir"
	$CVSUP -L 1 -r 0 -g -b "$workdir" -P "$PASSIVE" -c .sup "$CONFDIR/supfile.$sup"
done

exit 0 # E_OK

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