#!/usr/bin/env python2
import sys, os

import vars_init
vars_init.init_no_state()

import paths
from logs import err

if len(sys.argv[1:]) != 1:
    err('%s: exactly one argument expected.\n' % sys.argv[0])
    sys.exit(1)

want = sys.argv[1]
if not want:
    err('cannot build the empty target ("").\n')
    sys.exit(204)

abswant = os.path.abspath(want)
for dodir,dofile,basedir,basename,ext in paths.possible_do_files(abswant):
    dopath = os.path.join('/', dodir, dofile)
    relpath = os.path.relpath(dopath, '.')
    exists = os.path.exists(dopath)
    assert('\n' not in relpath)
    print relpath
    if exists:
        sys.exit(0)
sys.exit(1)   # no appropriate dofile found