#!/usr/bin/python

import subprocess
import sys
import os
sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), "../lib"))
sys.path.append('/usr/lib/gitian')
from gitian_util import *

def check_command(command):
    if commands.get(command) is None:
        print>>sys.stderr, "usage: %s CMD\ntry: %s help"%(prog, prog)
        exit(1)
    return find_command(command)

args = sys.argv[:]
prog = args.pop(0)

if len(args) < 1:
    print>>sys.stderr, "usage: %s CMD\n\ntry:\n  %s help\nor:\n  %s help CMD"%(prog, prog, prog)
    exit(1)

commands = {
    "release-build": "Build all packages into the 'dist' directory",
    "package-build": "Build a single package into the 'dist' directory",
    "package-new": "Insert a new package into the distribution",
    "release-upload": "Upload a release to a web server",
}
if args[0] == "help":
    if len(args) == 1:
        for command in commands.keys():
            print command, " - ", commands[command]
    else:
        command = args[1]
        command_path = find_command(command)
        ret = subprocess.call([command_path, "-h"])
elif args[0] == 'shell-complete':
    if len(args) == 1 or args[1] == "help":
        for command in commands.keys():
            print "%s:%s"%(command, commands[command])
    else:
        command = args[1]
        command_path = find_command(command)
        ret = subprocess.call([command_path, "--shell-complete"])
else:
    command = args.pop(0)
    command_path = find_command(command)
    args.insert(0, command_path)
    os.execv(command_path, args)