#!/bin/sh

#
# cvs-switch.sh - easily switch between multiple CVS Repositories
#

#
# Usage: add next line to your ~/.bashrc, ~/.zshrc or etc.:
#
# alias cvs-switch='eval `$HOME/prog/cvs/scripts/shell/cvs-switch/cvs-switch.sh`'
#
# Then you can easily switch between CVS Repositories with alias 'cvs-switch'
# Available CVS Repositories are configured in your ~/.cvs-repositories.conf,
# see cvs-repositories.conf example
#

#
# Developed by Lubomir Host 'rajo' <rajo AT platon.sk>
# Copyright (c) 2004 Platon SDG, http://platon.sk/
# Licensed under terms of GNU General Public License.
# All rights reserved.
#
# Changelog:
# 2004-04-13 - created
#

# $Platon: scripts/shell/cvs-switch/cvs-switch.sh,v 1.4 2004/10/31 12:11:11 rajo Exp $

#
# This code is tested on Linux, FreeBSD and Solaris
#

print_message()
{ # {{{
	echo $*" " > /dev/stderr
} # }}}

print_if_not_empty()
{ # {{{
	name=$1
	value=$2
	if [ ! -z "$value" ]; then
		print_message "	$name = $value"
	fi
} # }}}

print_exported()
{ # {{{
	name=$1
	value=$2
	if [ -z $value ]; then
		echo "unset $name;"
	else
		echo "export $name=\"$value\";"
	fi
} # }}}

#
# This can't be function loaded by the shell, because error message appears:
# ...
# switch-cvs:50: bad substitution
# ...

#switch-cvs()
#{ # {{{

	CVS_SWITCH_CONFIG="$HOME/.cvs-repositories.conf"

	# cmd for sed:
	TOLOWER="y/.-ABCDEFGHIJKLMNOPQRSTUVWXYZ/__abcdefghijklmnopqrstuvwxyz/"

	if [ -f "$CVS_SWITCH_CONFIG" ]; then
		. "$CVS_SWITCH_CONFIG";
	fi

	UNAME="`uname`" # OS depend code {{{
	case "$UNAME" in
		Linux)
			HOSTNAME="`hostname`"
			DOMAINNAME="`hostname -d`"
			;;
		FreeBSD)
			HOSTNAME="`hostname -s`"
			DOMAINNAME="`hostname | sed 's/^[^.]*\.//g'`"
			;;
		SunOS)
			HOSTNAME="`hostname`"
			DOMAINNAME="`domainname`"
			;;
		*)
			print_message "Unsupported operating system, sorry...";
			exit 1;
			;;
	esac
	# }}}

	x_HOSTNAME=`echo "$HOSTNAME" | sed "$TOLOWER"`
	x_DOMAINNAME=`echo "$DOMAINNAME" | sed "$TOLOWER"`

	#echo "x_HOSTNAME='$x_HOSTNAME'"
	#echo "x_DOMAINNAME='$x_DOMAINNAME'"

	REPOSITORIES="DOMAIN_${x_DOMAINNAME}"

	#echo "Available repositories: ${!REPOSITORIES}";

	SET_VARIABLES='title="TITLE_$rep";
	cvsroot="CVSROOT_$rep";
	cvs_rsh="CVS_RSH_$rep";'

	TITLE_none="NONE"
	CVSROOT_none=""
	CVS_RSH_none=""

	i=0
	for rep in none ${!REPOSITORIES}; do
		eval rep_$i="$rep";
		eval "$SET_VARIABLES";

		print_message
		print_message "$i - ${!title}";
		print_if_not_empty "CVSROOT" "${!cvsroot}"
		print_if_not_empty "CVS_RSH" "${!cvs_rsh}"

		i=$((i + 1))
	done

	print_message
	print_message -en "Your choice: [0]:"
	read x
	if [ -z "$x" ]; then
		i=1;
	else
		i="$x";
	fi

	myrep="rep_$i"
	rep=${!myrep};
	eval "$SET_VARIABLES";
	print_exported "CVSROOT" "${!cvsroot}"
	print_exported "CVS_RSH" "${!cvs_rsh}"

#} # }}}

#cvs-switch

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# vim600: fdl=0 fdc=3 fdm=marker