From 54b0e2240a855284a3dfb31d868380bef3474175 Mon Sep 17 00:00:00 2001
From: Ernesto Puerta <37327689+epuertat@users.noreply.github.com>
Date: Wed, 19 Sep 2018 11:40:40 +0200
Subject: [PATCH] Revert "ceph-pr-commits: Fix check with many-commit PRs"

---
 ceph-pr-commits/build/test_commits.py | 89 +++++++++++++++++----------
 1 file changed, 55 insertions(+), 34 deletions(-)

diff --git a/ceph-pr-commits/build/test_commits.py b/ceph-pr-commits/build/test_commits.py
index 4dc4c829..0debe990 100644
--- a/ceph-pr-commits/build/test_commits.py
+++ b/ceph-pr-commits/build/test_commits.py
@@ -1,47 +1,68 @@
-from subprocess import check_output
+from subprocess import Popen, PIPE
 import os
 from os.path import dirname
 import pytest
-import shlex
 
+# ceph-pr-commits/build
+current_directory = dirname(os.path.abspath(__file__))
 
-class TestCommits(object):
-    """
-    This class will contain all checks required for commits
-    """
+# workspace directory
+workspace = os.getenv('WORKSPACE', None) or dirname(dirname(dirname(current_directory)))
+
+# ceph checkout path
+ceph_checkout = os.path.join(workspace, 'ceph')
+
+
+def run(command):
+    print "Running command: %s" % ' '.join(command)
+    process = Popen(
+        command,
+        cwd=ceph_checkout,
+        stdout=PIPE,
+        stderr=PIPE,
+        close_fds=True
+    )
+
+    returncode = process.wait()
+
+    return process.stdout.read()
+
+
+def get_commits():
     target_branch = os.getenv('ghprbTargetBranch', 'master')
+    # ensure that we have the latest commits from master
+    command = ['git', 'fetch', 'origin', '+refs/heads/{target_branch}:refs/remotes/origin/{target_branch}'.format(target_branch=target_branch)]
+    run(command)
+    # we use 'HEAD' here because the PR is already checked out on the right branch
     source_branch = 'HEAD'
+    command = ['git', 'log', '--no-merges', 'origin/%s..%s' % (target_branch, source_branch)]
+    output = run(command)
+    chunked_commits = []
+    for chunk in output.split('\n\ncommit'):
+        if not chunk:
+            continue
+        chunked_commits.append(chunk)
+    return chunked_commits
 
-    workspace = os.getenv('WORKSPACE') or dirname(dirname(dirname(dirname(os.path.abspath(__file__)))))
-    ceph_checkout = os.path.join(workspace, 'ceph')
 
-    @staticmethod
-    def command(command, cwd=None):
-        print "Running command: %s" % (command,)
-        return check_output(shlex.split(command), cwd=cwd)
 
-    @classmethod
-    def setup_class(cls):
-        # ensure that we have the latest commits from master
-        cls.command(
-            'git fetch origin +refs/heads/{target_branch}:refs/remotes/origin/{target_branch}'.format(
-                target_branch=cls.target_branch),
-            cwd=cls.ceph_checkout)
+class TestSignedOffByCommits(object):
 
     def test_signed_off_by(self):
-        signed_off_regex = 'Signed-off-by: \S.* <[^@]+@[^@]+\.[^@]+>'
-        check_signed_off_commits = 'git log -E --invert-grep --grep="%s" --no-merges origin/%s..%s' % (
-                signed_off_regex,
-                self.target_branch,
-                self.source_branch)
-        wrong_commits = self.command(check_signed_off_commits)
-        if wrong_commits:
-            raise AssertionError("\n".join([
-                "Following commit/s is/are not signed, please make sure all TestCommits",
-                "are signed following the 'Submitting Patches' guide:",
-                "https://github.com/ceph/ceph/blob/master/SubmittingPatches.rst#1-sign-your-work",
-                "",
-                wrong_commits,
-                ])
-            )
+        for commit in get_commits():
+            if 'Signed-off-by:' not in commit:
+                msg = (
+                    "\nFollowing commit is not signed, please make sure all commits",
+                    "\nare signed following the 'Submitting Patches' guide:",
+                    "\nhttps://github.com/ceph/ceph/blob/master/SubmittingPatches.rst#1-sign-your-work",
+                    "\n",
+                    commit)
+                raise AssertionError, ' '.join(msg)
 
+    def extract_sha(self, lines):
+        # XXX Unused for now, if py.test can spit out the hashes in verbose
+        # mode this should be removed, otherwise put to good use
+        trim = lines.split()
+        for i in trim:
+            if i and 'commit' not in i:
+                return i
-- 
2.39.5