Exemplo n.º 1
0
    def handle_merge(self):
        # let's check if we are facing a merge, and in that case,
        # continue the bisection from the merged branch.
        result = None

        LOG.debug("Starting merge handling...")
        # we have to check the commit of the most recent push
        most_recent_push = self.build_range[1]
        jp = JsonPushes(most_recent_push.repo_name)
        push = jp.push(most_recent_push.changeset, full='1')
        msg = push.changeset['desc']
        LOG.debug("Found commit message:\n%s\n" % msg)
        branch = find_branch_in_merge_commit(msg)
        if not (branch and len(push.changesets) >= 2):
            return
        try:
            # so, this is a merge. We can find the oldest and youngest
            # changesets, and the branch where the merge comes from.
            oldest = push.changesets[0]['node']
            # exclude the merge commit
            youngest = push.changesets[-2]['node']
            LOG.debug("This is a merge from %s" % branch)

            # we can't use directly the youngest changeset because we
            # don't know yet if it is good.
            #
            # PUSH1    PUSH2
            # [1 2] [3 4 5 6 7]
            #    G    MERGE  B
            #
            # so first, grab it. This needs to be done on the right branch.
            jp2 = JsonPushes(branch)
            raw = [int(p.push_id) for p in
                   jp2.pushes_within_changes(oldest, youngest)]
            data = jp2.pushes(
                startID=str(min(raw) - 2),
                endID=str(max(raw)),
            )

            oldest = data[0].changesets[0]
            youngest = data[-1].changesets[-1]

            # we are ready to bisect further
            LOG.info("************* Switching to %s" % branch)
            gr, br = self._reverse_if_find_fix(oldest, youngest)
            result = (branch, gr, br)
        except MozRegressionError:
            LOG.debug("Got exception", exc_info=True)
            raise MozRegressionError(
                "Unable to exploit the merge commit. Origin branch is {}, and"
                " the commit message for {} was:\n{}".format(
                    most_recent_push.repo_name,
                    most_recent_push.short_changeset,
                    msg
                )
            )
        LOG.debug('End merge handling')
        return result
Exemplo n.º 2
0
    def handle_merge(self):
        # let's check if we are facing a merge, and in that case,
        # continue the bisection from the merged branch.
        result = None

        self._logger.debug("Starting merge handling...")
        # we have to check the commit of the most recent push
        most_recent_push = self.build_range[1]
        jp = JsonPushes(most_recent_push.repo_name)
        push = jp.pushlog_for_change(most_recent_push.changeset, full='1')
        msg = push['changesets'][-1]['desc']
        self._logger.debug("Found commit message:\n%s\n" % msg)
        branch = find_branch_in_merge_commit(msg)
        if not (branch and len(push['changesets']) >= 2):
            return
        try:
            # so, this is a merge. We can find the oldest and youngest
            # changesets, and the branch where the merge comes from.
            oldest = push['changesets'][0]['node']
            # exclude the merge commit
            youngest = push['changesets'][-2]['node']
            self._logger.debug("This is a merge from %s" % branch)

            # we can't use directly the youngest changeset because we
            # don't know yet if it is good.
            #
            # PUSH1    PUSH2
            # [1 2] [3 4 5 6 7]
            #    G    MERGE  B
            #
            # so first, grab it. This needs to be done on the right branch.
            jp2 = JsonPushes(branch)
            raw = [int(i) for i in
                   jp2.pushlog_within_changes(oldest, youngest, raw=True)]
            data = jp2._request(jp2.json_pushes_url(
                startID=str(min(raw) - 2),
                endID=str(max(raw)),
            ))
            datakeys = [int(i) for i in data]
            oldest = data[str(min(datakeys))]["changesets"][0]
            youngest = data[str(max(datakeys))]["changesets"][-1]

            # we are ready to bisect further
            self._logger.info("************* Switching to %s" % branch)
            gr, br = self._reverse_if_find_fix(oldest, youngest)
            result = (branch, gr, br)
        except MozRegressionError:
            self._logger.debug("Got exception", exc_info=True)
            raise MozRegressionError(
                "Unable to exploit the merge commit. Origin branch is {}, and"
                " the commit message for {} was:\n{}".format(
                    most_recent_push.repo_name,
                    most_recent_push.short_changeset,
                    msg
                )
            )
        self._logger.debug('End merge handling')
        return result
Exemplo n.º 3
0
    def handle_merge(self):
        # let's check if we are facing a merge, and in that case,
        # continue the bisection from the merged branch.
        result = None

        LOG.debug("Starting merge handling...")
        # we have to check the commit of the most recent push
        most_recent_push = self.build_range[1]
        jp = JsonPushes(most_recent_push.repo_name)
        push = jp.push(most_recent_push.changeset, full='1')
        msg = push.changeset['desc']
        LOG.debug("Found commit message:\n%s\n" % msg)
        branch = find_branch_in_merge_commit(msg, most_recent_push.repo_name)
        if not (branch and len(push.changesets) >= 2):
            # We did not find a branch, lets check the integration branches if we are bisecting m-c
            LOG.debug(
                "Did not find a branch, checking all integration branches")
            if get_name(most_recent_push.repo_name) == 'mozilla-central' and \
               len(push.changesets) >= 2:
                branch = self._choose_integration_branch(
                    most_recent_push.changeset)
                jp2 = JsonPushes(branch)
                try:
                    data = jp2.pushes_within_changes(
                        push.changesets[0]['node'],
                        push.changesets[-1]['node'])
                except MozRegressionError, exc:
                    LOG.error(
                        "Failed to find changes in branch '%s' (error: %s)" %
                        (branch, exc))
                    raise
                LOG.info("************* Switching to %s by"
                         " process of elimination (no branch detected in"
                         " commit message)" % branch)
                gr, br = self._reverse_if_find_fix(data[0].changeset,
                                                   data[-1].changeset)
                return (branch, gr, br)
            else:
                return
Exemplo n.º 4
0
def test_find_branch_in_merge_commit(commit, branch, current):
    assert branches.find_branch_in_merge_commit(commit, current) == branch
Exemplo n.º 5
0
    def handle_merge(self):
        # let's check if we are facing a merge, and in that case,
        # continue the bisection from the merged branch.
        result = None

        LOG.debug("Starting merge handling...")
        # we have to check the commit of the most recent push
        most_recent_push = self.build_range[1]
        jp = JsonPushes(most_recent_push.repo_name)
        push = jp.push(most_recent_push.changeset, full='1')
        msg = push.changeset['desc']
        LOG.debug("Found commit message:\n%s\n" % msg)
        branch = find_branch_in_merge_commit(msg)
        if not (branch and len(push.changesets) >= 2):
            # We did not find a branch, lets check the integration branches if we are bisecting m-c
            if get_name(most_recent_push.repo_name) == 'mozilla-central' and \
               len(push.changesets) >= 2:
                branch = self._choose_integration_branch(most_recent_push.changeset)
                jp2 = JsonPushes(branch)
                try:
                    data = jp2.pushes_within_changes(
                        push.changesets[0]['node'],
                        push.changesets[-1]['node'])
                except MozRegressionError:
                    return
                LOG.info("************* Switching to %s by"
                         " process of elimination (no branch detected in"
                         " commit message)" % branch)
                return (branch,
                        data[0].changeset, data[-1].changeset)
            else:
                return
        try:
            # so, this is a merge. We can find the oldest and youngest
            # changesets, and the branch where the merge comes from.
            oldest = push.changesets[0]['node']
            # exclude the merge commit
            youngest = push.changesets[-2]['node']
            LOG.debug("This is a merge from %s" % branch)

            # we can't use directly the youngest changeset because we
            # don't know yet if it is good.
            #
            # PUSH1    PUSH2
            # [1 2] [3 4 5 6 7]
            #    G    MERGE  B
            #
            # so first, grab it. This needs to be done on the right branch.
            jp2 = JsonPushes(branch)
            raw = [int(p.push_id) for p in
                   jp2.pushes_within_changes(oldest, youngest)]
            data = jp2.pushes(
                startID=str(min(raw) - 2),
                endID=str(max(raw)),
            )

            oldest = data[0].changesets[0]
            youngest = data[-1].changesets[-1]

            # we are ready to bisect further
            LOG.info("************* Switching to %s" % branch)
            gr, br = self._reverse_if_find_fix(oldest, youngest)
            result = (branch, gr, br)
        except MozRegressionError:
            LOG.debug("Got exception", exc_info=True)
            raise MozRegressionError(
                "Unable to exploit the merge commit. Origin branch is {}, and"
                " the commit message for {} was:\n{}".format(
                    most_recent_push.repo_name,
                    most_recent_push.short_changeset,
                    msg
                )
            )
        LOG.debug('End merge handling')
        return result
Exemplo n.º 6
0
def test_find_branch_in_merge_commit(commit, branch):
    assert branches.find_branch_in_merge_commit(commit) == branch
Exemplo n.º 7
0
    def handle_merge(self):
        # let's check if we are facing a merge, and in that case,
        # continue the bisection from the merged branch.
        result = None

        LOG.debug("Starting merge handling...")
        # we have to check the commit of the most recent push
        most_recent_push = self.build_range[1]
        jp = JsonPushes(most_recent_push.repo_name)
        push = jp.push(most_recent_push.changeset, full='1')
        msg = push.changeset['desc']
        LOG.debug("Found commit message:\n%s\n" % msg)
        branch = find_branch_in_merge_commit(msg, most_recent_push.repo_name)
        if not (branch and len(push.changesets) >= 2):
            # We did not find a branch, lets check the integration branches if we are bisecting m-c
            LOG.debug(
                "Did not find a branch, checking all integration branches")
            if get_name(most_recent_push.repo_name) == 'mozilla-central' and \
               len(push.changesets) >= 2:
                branch = self._choose_integration_branch(
                    most_recent_push.changeset)
                oldest = push.changesets[0]['node']
                youngest = push.changesets[-1]['node']
                LOG.info("************* Switching to %s by"
                         " process of elimination (no branch detected in"
                         " commit message)" % branch)
            else:
                return
        else:
            # so, this is a merge. see how many changesets are in it, if it
            # is just one, we have our answer
            if len(push.changesets) == 2:
                LOG.info("Merge commit has only two revisions (one of which "
                         "is the merge): we are done")
                return

            # Otherwise, we can find the oldest and youngest
            # changesets, and the branch where the merge comes from.
            oldest = push.changesets[0]['node']
            # exclude the merge commit
            youngest = push.changesets[-2]['node']
            LOG.info("************* Switching to %s" % branch)

        # we can't use directly the oldest changeset because we
        # don't know yet if it is good.
        #
        # PUSH1    PUSH2
        # [1 2] [3 4 5 6 7]
        #    G    MERGE  B
        #
        # so first grab the previous push to get the last known good
        # changeset. This needs to be done on the right branch.
        try:
            jp2 = JsonPushes(branch)
            raw = [
                int(p.push_id)
                for p in jp2.pushes_within_changes(oldest, youngest)
            ]
            data = jp2.pushes(
                startID=str(min(raw) - 2),
                endID=str(max(raw)),
            )

            older = data[0].changeset
            youngest = data[-1].changeset

            # we are ready to bisect further
            gr, br = self._reverse_if_find_fix(older, youngest)
            result = (branch, gr, br)
        except MozRegressionError:
            LOG.debug("Got exception", exc_info=True)
            raise MozRegressionError(
                "Unable to exploit the merge commit. Origin branch is {}, and"
                " the commit message for {} was:\n{}".format(
                    most_recent_push.repo_name,
                    most_recent_push.short_changeset, msg))
        LOG.debug('End merge handling')
        return result