Hi,

Can you check and make sure the repo is not empty (maybe no commit yet).
You get the same error when repo is empty. Refer below:

[image: Inline image 1]

On Wed, Sep 19, 2018 at 10:13 AM Rasih ÇAĞLAYAN <[email protected]>
wrote:

> Hi.
>
> After check connection feature "hang" i started pipeline and got following
> error.
> Any idea ?
>
>
>    - Could not trigger pipeline 'test-api-build'19 Sep, 2018 at 20:24:07
>    Local Time
>
>    Material update failed for material 'test-api-repository' because:
>    Error performing command: --- Command --- git rev-parse --abbrev-ref HEAD
>    --- Environment --- {GIT_ALLOW_PROTOCOL=http:https:ssh:git:file:rsync} ---
>    INPUT ---- --- EXIT CODE (128) --- --- STANDARD OUT --- HEAD --- STANDARD
>    ERR --- STDERR: fatal: ambiguous argument 'HEAD': unknown revision or path
>    not in the working tree. STDERR: Use '--' to separate paths from revisions,
>    like this: STDERR: 'git <command> [<revision>...] -- [<file>...]' --- .
>    Cause: Error performing command: --- Command --- git rev-parse --abbrev-ref
>    HEAD --- Environment --- {GIT_ALLOW_PROTOCOL=http:https:ssh:git:file:rsync}
>    --- INPUT ---- --- EXIT CODE (128) --- --- STANDARD OUT --- HEAD ---
>    STANDARD ERR --- STDERR: fatal: ambiguous argument 'HEAD': unknown revision
>    or path not in the working tree. STDERR: Use '--' to separate paths from
>    revisions, like this: STDERR: 'git <command> [<revision>...] --
>    [<file>...]' ---
>
>
> 19 Eylül 2018 Çarşamba 19:57:04 UTC+3 tarihinde Rasih ÇAĞLAYAN yazdı:
>>
>> Hi.
>>
>> I am using 18.9 version of  GOCD
>>
>> I have 2 servers; win 2012 R2 x64  64 GB 32 core
>> GOCD bundled java version installed on both.
>>
>> Server A working great.
>>
>> But Server B hanging on "Check Connection" on material configuration with
>> exact same GOCD configuration (i backed-up and restored files from Server A
>> to Server B GOCD)
>>
>> I can use git repo without using password; i mean i already type
>> credentials before and git console is not asking again when i clone private
>> repos.
>>
>> Questions
>>
>> 1. Why GOCD has no option to store git user name and password for CI-CD
>> works even this process blocks many users ?
>>
>> 2. How can i store git user credentials on windows ? Am i doing something
>> wrong ? How can i test it tı get understood i  am doing right about git
>> configuration for GOCD
>>
>> 3. Why GOCD does not offer feed back after i press "check connection"
>> button on material configuration ? I dont have any error so how can i fix
>> it if there was no error feedback ?
>>
>> As a result if i have to create git configuration correctly for GOCD, can
>> you please explain how can i store my git credentials on windows step by
>> step ? I found some documents and applied them; nothing changed. So i need
>>
>> 1. How to store git credentials on windows for future use (without asking
>> password for GOCD) step by step ? (if you know any stable document please
>> share url)
>> 2. How to test it to get understood am i doing right or not.
>>
>> I am not native English speaker so if is there any mistake; sorry.
>>
>> Thanks
>>
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