Re: [RFC PATCH] gitlab: aggressively avoid extra GIT data

[Thomas Huth <thuth@redhat.com>]

On 08/03/2024 16.07, Alex Bennée wrote:
> This avoids fetching blobs and tree references for branches we are not
> going to worry about. Also skip tag references which are similarly not
> useful and keep the default --prune. This keeps the .git data to
> around 100M rather than the ~400M even a shallow clone takes.
> 
> So we can check the savings we also run a quick du while setting up
> the build.
> 
> We also have to have special settings of GIT_FETCH_EXTRA_FLAGS for the
> Windows build (git too old?) and the migration legacy test where we
> build an older QEMU alongside the main one.
> 
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> ---
>   .gitlab-ci.d/base.yml               | 4 ++++
>   .gitlab-ci.d/buildtest-template.yml | 1 +
>   .gitlab-ci.d/buildtest.yml          | 2 ++
>   .gitlab-ci.d/windows.yml            | 2 ++
>   4 files changed, 9 insertions(+)
> 
> diff --git a/.gitlab-ci.d/base.yml b/.gitlab-ci.d/base.yml
> index ef173a34e6..7cb800fc3b 100644
> --- a/.gitlab-ci.d/base.yml
> +++ b/.gitlab-ci.d/base.yml
> @@ -24,6 +24,10 @@ variables:
>       # Each script line from will be in a collapsible section in the job output
>       # and show the duration of each line.
>       FF_SCRIPT_SECTIONS: 1
> +    # The project has a fairly fat GIT repo so we try and avoid bringing in things
> +    # we don't need. The --filter options avoid blobs and tree references we aren't going to use
> +    # and we also avoid fetching tags.
> +    GIT_FETCH_EXTRA_FLAGS: --filter=blob:none --filter=tree:0 --no-tags --prune

The original settings included --quiet according to the docs:

 
https://docs.gitlab.com/ee/ci/runners/configure_runners.html#git-fetch-extra-flags

Should we include --quite here, too?

  Thomas