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From: Patrick Hunt <phunt@apache.org>
Date: Tue, 12 Sep 2017 11:15:49 -0700
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Subject: Re: All tags and branches rebased before 3.5.2 ?
To: DevZooKeeper <dev@zookeeper.apache.org>, Michael Han <hanm@cloudera.com>
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archived-at: Tue, 12 Sep 2017 18:16:35 -0000

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I suspect it was during the force push. All the commits up to
11d2d6fd92acf9abc762c41e0f7b91c5acc89f4f -- in all the repos I listed
including the "old/original" ones -- have the same hash. Thereafter they
differ. Look at the following comparison btw Lar's/my old clone and what's
currently in the Apache/gh repos.

Notice:
1)  that the only difference is in the name for the author/committer name
is missing.
2)  If you look at the actual commit from SVN it includes the user name:
https://svn.apache.org/viewvc?view=revision&revision=670801

Not sure how this crept in, perhaps a bug in git that was exposed as part
of the force push?

----
phunt@phunt-MBP13:~/dev/t/lars[branch-3.3]$ git show --format=raw
88a823c32dd080ae8a193948ba8915e9fa222e37
commit 88a823c32dd080ae8a193948ba8915e9fa222e37
tree 9e2522402b6d26e3c9a6e32ba9fc041f7603a42d
parent 11d2d6fd92acf9abc762c41e0f7b91c5acc89f4f
author mahadevkonar <dev-null@apache.org> 1194634898 +0000
committer mahadevkonar <dev-null@apache.org> 1194634898 +0000

    adding junit jar file for ant tests to run without installing junit

    git-svn-id: https://svn.apache.org/repos/asf/hadoop/zookeeper/trunk@
670801 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/zookeeper/java/lib/junit-4.1.jar b/zookeeper/java/lib/junit-4.
1.jar
new file mode 100644
index 00000000..2c46d67a
Binary files /dev/null and b/zookeeper/java/lib/junit-4.1.jar differ
phunt@phunt-MBP13:~/dev/t/lars[branch-3.3]$
----

phunt@dhcp-10-16-2-37:~/dev/t/zookeeper[branch-3.3]$ git show --format=raw
1d2cb51508281a281bc47d6bf93fbf264cc20540
commit 1d2cb51508281a281bc47d6bf93fbf264cc20540
tree 9e2522402b6d26e3c9a6e32ba9fc041f7603a42d
parent 11d2d6fd92acf9abc762c41e0f7b91c5acc89f4f
author  <dev-null@apache.org> 1194634898 +0000
committer  <dev-null@apache.org> 1194634898 +0000

    adding junit jar file for ant tests to run without installing junit

    git-svn-id: https://svn.apache.org/repos/asf/hadoop/zookeeper/trunk@
670801 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/zookeeper/java/lib/junit-4.1.jar b/zookeeper/java/lib/junit-4.
1.jar
new file mode 100644
index 00000000..2c46d67a
Binary files /dev/null and b/zookeeper/java/lib/junit-4.1.jar differ
phunt@dhcp-10-16-2-37:~/dev/t/zookeeper[branch-3.3]$
----

Patric.

On Tue, Sep 12, 2017 at 10:40 AM, Michael Han <hanm@apache.org> wrote:

> The tags themselves were not moved or force pushed as far as I can tell.
> The problem is the every commit differs in terms of the commit hash between
> the official ZooKeeper repo and the old repos (autodesk-forks and phunt).
>
> I suspect it was the svn git move that causes this:
> https://issues.apache.org/jira/browse/INFRA-12573. As part of the move,
> the
> main branch of our repo was renamed from "trunk" to "master". From what I
> know, git generates commit hash based on a couple of parameters including
> the source tree of the commit, and maybe the renaming of the branch here
> changed the state of the source tree that leads to the rewriting of the
> entire commit hash history (but not the commit contents, as they were
> intact.).
>
> I think a reasonable next step is to confirm with someone in INFRA about
> this while waiting for more inputs from this group.
>
> On Tue, Sep 12, 2017 at 9:23 AM, Patrick Hunt <phunt@apache.org> wrote:
>
> > The tags differ between old clones and recent ones.
> >
> > https://git-wip-us.apache.org/repos/asf/zookeeper.git
> > git@github.com:apache/zookeeper.git
> > git://git.apache.org/zookeeper.git
> >
> > are all consistent (tags) as are
> >
> > https://github.com/autodesk-forks/zookeeper.git
> > https://github.com/phunt/zookeeper.git (my old repo)
> >
> > I checked out a few tags from lars repo as well as apache latest, while
> the
> > tags differ the content does not.
> >
> > Using gitk I see that the two sets of repos differ at
> > commit 11d2d6fd92acf9abc762c41e0f7b91c5acc89f4f
> >
> > I'm not sure why (have to run to a meeting...)
> >
> > Patrick
> >
> >
> > On Tue, Sep 12, 2017 at 7:46 AM, Patrick Hunt <phunt@apache.org> wrote:
> >
> > > Hm.. I do see a relatively recent force push: http://markmail.org/
> > > message/n3ho5n7eb6uvfacs and associated jira https://issues.apache.
> > > org/jira/browse/INFRA-13916
> > >
> > > Michael?
> > >
> > > Patrick
> > >
> > > On Tue, Sep 12, 2017 at 7:31 AM, Patrick Hunt <phunt@apache.org>
> wrote:
> > >
> > >> I haven't had a chance to look into this, could be serious - does
> anyone
> > >> know if this was related to the move from SVN?
> > >>
> > >> Patrick
> > >>
> > >> On Mon, Sep 11, 2017 at 10:29 AM, Lars Schneider <
> > >> larsxschneider@gmail.com> wrote:
> > >>
> > >>> Hi,
> > >>>
> > >>> I fetched changes from git://git.apache.org/zookeeper.git and
> noticed
> > >>> that almost all released tags changed.
> > >>> E.g. my "release-3.5.2" is at 379eb9c and the upstream
> "release-3.5.2"
> > >>> 3f572f0.
> > >>>
> > >>> There is no difference between the tags:
> > >>> $ git diff 379eb9c..3f572f0 | wc -l
> > >>> 0
> > >>>
> > >>> I am reasonably sure that I did not change those tags.
> > >>> Do you know what happened? I wasn't able to find anything about this
> in
> > >>> the mailing list archive.
> > >>>
> > >>> Thanks,
> > >>> Lars
> > >>>
> > >>>
> > >>> Here is the full list of different tags:
> > >>>
> > >>> 0.0.1
> > >>> 2.1.0
> > >>> apache-initial-import
> > >>> post_ZOOKEEPER-45_snapshot
> > >>> release-3.0.0
> > >>> release-3.0.1
> > >>> release-3.0.1-rc0
> > >>> release-3.1.0
> > >>> release-3.1.0-rc0
> > >>> release-3.1.0-rc1
> > >>> release-3.1.0-rc2
> > >>> release-3.1.1
> > >>> release-3.1.1-rc0
> > >>> release-3.1.2
> > >>> release-3.1.2-rc0
> > >>> release-3.2.0
> > >>> release-3.2.0-rc0
> > >>> release-3.2.1
> > >>> release-3.2.2
> > >>> release-3.2.2-rc0
> > >>> release-3.3.0
> > >>> release-3.3.1
> > >>> release-3.3.2
> > >>> release-3.3.3
> > >>> release-3.3.3-rc0
> > >>> release-3.3.3-rc1
> > >>> release-3.3.4
> > >>> release-3.3.4-rc0
> > >>> release-3.3.5
> > >>> release-3.3.5-rc0
> > >>> release-3.3.5-rc1
> > >>> release-3.3.6
> > >>> release-3.3.6-rc0
> > >>> release-3.4.0
> > >>> release-3.4.0-rc0
> > >>> release-3.4.0-rc1
> > >>> release-3.4.0-rc2
> > >>> release-3.4.1
> > >>> release-3.4.1-rc0
> > >>> release-3.4.2
> > >>> release-3.4.2-rc0
> > >>> release-3.4.3
> > >>> release-3.4.3-rc0
> > >>> release-3.4.4
> > >>> release-3.4.4-rc0
> > >>> release-3.4.5
> > >>> release-3.4.5-rc0
> > >>> release-3.4.5-rc1
> > >>> release-3.4.6
> > >>> release-3.4.6-rc0
> > >>> release-3.4.7
> > >>> release-3.4.7-rc0
> > >>> release-3.4.8
> > >>> release-3.4.8-rc0
> > >>> release-3.4.9-rc0
> > >>> release-3.4.9-rc1
> > >>> release-3.4.9-rc2
> > >>> release-3.5.0
> > >>> release-3.5.0-rc0
> > >>> release-3.5.1
> > >>> release-3.5.1-rc0
> > >>> release-3.5.1-rc1
> > >>> release-3.5.1-rc2
> > >>> release-3.5.1-rc3
> > >>> release-3.5.1-rc4
> > >>> release-3.5.2
> > >>> release-3.5.2-rc0
> > >>> release-3.5.2-rc1
> > >>
> > >>
> > >>
> > >
> >
>

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