1#!/usr/bin/env python3 2# 3# check-dco.py: validate all commits are signed off 4# 5# Copyright (C) 2020 Red Hat, Inc. 6# 7# SPDX-License-Identifier: GPL-2.0-or-later 8 9import os 10import os.path 11import sys 12import subprocess 13 14namespace = "qemu-project" 15if len(sys.argv) >= 2: 16 namespace = sys.argv[1] 17 18cwd = os.getcwd() 19reponame = os.path.basename(cwd) 20repourl = "https://gitlab.com/%s/%s.git" % (namespace, reponame) 21 22subprocess.check_call(["git", "remote", "add", "check-dco", repourl]) 23subprocess.check_call(["git", "fetch", "check-dco", "master"], 24 stdout=subprocess.DEVNULL, 25 stderr=subprocess.DEVNULL) 26 27ancestor = subprocess.check_output(["git", "merge-base", 28 "check-dco/master", "HEAD"], 29 universal_newlines=True) 30 31ancestor = ancestor.strip() 32 33subprocess.check_call(["git", "remote", "rm", "check-dco"]) 34 35errors = False 36 37print("\nChecking for 'Signed-off-by: NAME <EMAIL>' " + 38 "on all commits since %s...\n" % ancestor) 39 40log = subprocess.check_output(["git", "log", "--format=%H %s", 41 ancestor + "..."], 42 universal_newlines=True) 43 44if log == "": 45 commits = [] 46else: 47 commits = [[c[0:40], c[41:]] for c in log.strip().split("\n")] 48 49for sha, subject in commits: 50 51 msg = subprocess.check_output(["git", "show", "-s", sha], 52 universal_newlines=True) 53 lines = msg.strip().split("\n") 54 55 print("�� %s %s" % (sha, subject)) 56 sob = False 57 for line in lines: 58 if "Signed-off-by:" in line: 59 sob = True 60 if "localhost" in line: 61 print(" ❌ FAIL: bad email in %s" % line) 62 errors = True 63 64 if not sob: 65 print(" ❌ FAIL missing Signed-off-by tag") 66 errors = True 67 68if errors: 69 print(""" 70 71❌ ERROR: One or more commits are missing a valid Signed-off-By tag. 72 73 74This project requires all contributors to assert that their contributions 75are provided in compliance with the terms of the Developer's Certificate 76of Origin 1.1 (DCO): 77 78 https://developercertificate.org/ 79 80To indicate acceptance of the DCO every commit must have a tag 81 82 Signed-off-by: REAL NAME <EMAIL> 83 84This can be achieved by passing the "-s" flag to the "git commit" command. 85 86To bulk update all commits on current branch "git rebase" can be used: 87 88 git rebase -i master -x 'git commit --amend --no-edit -s' 89 90""") 91 92 sys.exit(1) 93 94sys.exit(0) 95