#!/bin/sh

# $Id: evim 356 2011-09-24 23:25:47Z svnuser $

# evim uses RCS to check out a file, edit it with vim, then check it back in
# Feb. 2000 by James T. Reese <jim@google.com>
# rcsdiff added by Marc <merlin@google.com>
# SUDO/LOGNAME check suggested by Peter Duff, added by Marc <merlin@google.com>
if [ $# -lt 1 ]; then
        echo "Usage: $0 file [file] ..."
        exit 1
fi

if [ "$LOGNAME" = root ]; then
    if [ -n "$SUDO_USER" ]; then
	USER=$SUDO_USER
    else
	echo "You are using evim as root. Please enter your login"
	read USER
    fi
else
    # This is already set in theory, but this is a "just in case" [tm]
    USER=$LOGNAME
fi

/usr/bin/co -l "$@" && ${EDITOR:-vim} $* && rcsdiff -u "$@" | less && echo "type enter to accept diff or ^C to abort" && read && /usr/bin/ci -w"$USER" -u "$@" || (echo "*** An ERROR occured. ***"; exit 1)

exit 0