Cloning replicated repo results in warning: remote HEAD refers to nonexistent ref, unable to checkout.

Aric Gardner

2014-09-24 19:01:14 UTC

Hey Guys and Gals, seems like allowing refs/* isnt working. or something.
I'm not really sure. This same setup worked on a different gerrit server
(running 2.8.1 and without remoteNameStyle = dash)

Gerrit version 2.8
Replication plugin extracted from gerrit.war and installed over ssh

Expected outcome: replication works
Actual outcome: replication completes successfully but when I clone the
replicated repo I receive the warning: remote HEAD refers to nonexistent
ref, unable to checkout.

Installation method ->

a) Relevant configs:

/var/lib/gerrit/etc/replication.config
[remote "aricg-compliance"]
url = ***@aricgardner.com:somerepo/${name}.git
push = +refs/head/*:refs/heads/*
push = +refs/tags/*:refs/tags/*
timeout = 30
threads = 3
remoteNameStyle = dash
authGroup = GitHub Replication

/var/lib/gerrit/.ssh/config
Host aricgardner.com
User gerrit
IdentityFile /var/lib/gerrit/.ssh/id_rsa
StrictHostKeyChecking no
UserKnownHostsFile /dev/null

note: sshing as the gerrit user to the remote server works.

b) Gerrit authorization:

Group Name: GitHub Replication
GitHub Replication denied read to refs/* in all projects
GitHub Replication allowed read to refs/* in in Project compliance/tests

c) enable plugin and start replication:

unzip gerrit.war
cp WEB-INF/plugins/replication.jar /tmp/
ssh -p 29418 pdx-wl-gerrit-1.web.someserver.org gerrit plugin install -n
replication -</tmp/replication.jar
ssh -p 29418 pdx-wl-gerrit-1.web.someserver.org gerrit plugin ls
Name Version Status File
-------------------------------------------------------------------------------
replication v2.8 ENABLED replication.jar

ssh -p 29418 pdx-wl-gerrit-1.web.someserver.org gerrit plugin reload
replication

ssh -p 29418 pdx-wl-gerrit-1.web.someserver.org replication start --wait
--all
Replicate compliance/tests to aricgardner.com, Succeeded!
----------------------------------------------
Replication completed successfully!

Actuall results ->

When I clone the replicated repository
$ git clone ***@aricgardner.com:somerepo/compliance-tests.git
Cloning into 'compliance-tests'...
remote: Counting objects: 508, done.
remote: Compressing objects: 100% (210/210), done.
remote: Total 508 (delta 184), reused 508 (delta 184)
Receiving objects: 100% (508/508), 274.04 KiB | 0 bytes/s, done.
Resolving deltas: 100% (184/184), done.
Checking connectivity... done.
warning: remote HEAD refers to nonexistent ref, unable to checkout.

what the cloned repo looks like ->
$ cd compliance-tests/
agardner at hyperion/tmp/compliance-tests
$ git branch -r
agardner at hyperion/tmp/compliance-tests
$ find .
./.git
./.git/packed-refs
./.git/config
./.git/objects
./.git/objects/info
./.git/objects/pack
./.git/objects/pack/pack-af85e0c494dab42beb252c6f15ada3e6967cc62a.idx
./.git/objects/pack/pack-af85e0c494dab42beb252c6f15ada3e6967cc62a.pack
./.git/HEAD
./.git/hooks
./.git/hooks/pre-push.sample
./.git/hooks/prepare-commit-msg.sample
./.git/hooks/update.sample
./.git/hooks/pre-rebase.sample
./.git/hooks/pre-commit.sample
./.git/hooks/commit-msg.sample
./.git/hooks/post-update.sample
./.git/hooks/applypatch-msg.sample
./.git/hooks/pre-applypatch.sample
./.git/info
./.git/info/exclude
./.git/description
./.git/branches
./.git/refs
./.git/refs/tags
./.git/refs/heads

when I clone the main gerrit repo:
git clone https://git.somerepo.org/gerrit/compliance/tests && cd test
$ git branch -r
origin/HEAD -> origin/master
origin/RB14.02
origin/RB14.06
origin/master

Any insight would be greatly appreciated

-Aric

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