#!/usr/bin/python

# Paste a diff using fpaste
# Copyright 2010 Colin Walters <walters@verbum.org>
# Licensed under the new-BSD license (http://www.opensource.org/licenses/bsd-license.php)

import os
import sys
import subprocess
import getopt

def main():
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'd', ['diff'])
    except getopt.GetoptError, e:
        print unicode(e)
        print "Usage: git fpaste [--diff] [REVISION]"
        print "  If REVISION is not specified it defaults to HEAD."
        sys.exit(1)
        
    if not os.path.exists('/usr/bin/fpaste'):
        subprocess.check_call(['pkcon', 'install', 'fpaste'])

    diff = False
    for o, a in opts:
        if o in ('--diff', ):
            diff = True

    if len(args) > 0:
        revision = args[0]
    else:
        revision = 'HEAD^'
    
    if diff:
        proc = subprocess.Popen(['git', 'diff'], stdout=subprocess.PIPE, stderr=sys.stderr)
        description = "diff from " + os.path.basename(os.getcwd())
    else:
        proc = subprocess.Popen(['git', 'format-patch', '--stdout', revision], stdout=subprocess.PIPE, stderr=sys.stderr)
        description = revision + " in " + os.path.basename(os.getcwd())
    pasteproc = subprocess.Popen(['fpaste', '-d', description], stdin=proc.stdout, stdout=sys.stdout, stderr=sys.stderr)
    pasteproc.wait()

if __name__ == '__main__':
    main()