#! /bin/sh

# When container starts verify that the trackers are configured.
# If they are, start the server otherwise run roundup-admin
# for installation and initialization.

# "$@" should be a set of tracker=directory pairs.

set -xv

trap exit INT

do_exit=0

for tracker_spec in "$@"; do
    # IFS== set a=b doesn't assign $1 and $2 in busybox ash
    # it also clobbers '$@'. 'echo mumble | read' starts read in a
    # subshell so vars are not available in parent.
    IFS="=" read tracker directory <<- EOE
    $tracker_spec
	EOE
    # ^ is a tab for use with <<-

    # was $tracker_spec in the form of a=b, if not ignore it.
    # allows setting CMD to -p 9090 issue=tracker for example.
    if [ -z "$directory" ]; then continue; fi

    # something is specified or built wrong. Don't start.
    if [ ! -d "$directory" ]; then
        printf "Unable to find directory %s. Exiting\n" "$directory"
	exit 1
    fi

    # user must define web in config.ini.
    if ! grep '^\s*web\s\s*=\s\s*' "$directory/config.ini" > /dev/null; then
        roundup-admin -i "$directory" install
        do_exit=1
    fi

    # we have a valid config.ini so init database if not done
    if [ $do_exit == 0 -a ! -e "$directory/.init_done" ]; then
        if roundup-admin -i "$directory" init; then
	  cat > "$directory/.init_done" <<- EOD
	  Don't delete this file. The docker startup needs it so it won't
	  re-initialze the database destroying all the data.
	EOD
	else
	    do_exit=1
	fi
    fi
done

# if any config.ini needs editing don't start up.
if [ $do_exit == 0 ]; then
   # make roundup-server process 1 with exec
   exec roundup-server -n 0.0.0.0 "$@"
fi

exit 0