Re: [PATCH] ci: fix missing Ruby dependency in "documentation" job

> Our "documentation" job has recently stopped working with the following
> error:
>
>   + sudo gem install --version 1.5.8 asciidoctor
>   + gem install --version 1.5.8 asciidoctor
>   ./ci/install-dependencies.sh: 23: gem: not found
>
> The root cause of this is that we never explicitly install Ruby, and
> consequently gem(1) isn't explicitly pulled inus, either. This used to

> work alright because we transitively pulled in Ruby via asciidoc. But
> due to an update it seems that we stopped pulling in the transitive
> dependency, and consequently we don't have gem(1) available anymore.
>
> Fix this by explicitly installing Ruby.

> Signed-off-by: Patrick Steinhardt <ps@pks.im>
> ---
> Hi,
>
> I spotted the failure yesterday. You can see that this fixes the
> pipeline at [1]. Thanks!
>
> Patrick
>
> [1]: https://gitlab.com/gitlab-org/git/-/merge_requests/660
> ---
>  ci/install-dependencies.sh | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/ci/install-dependencies.sh b/ci/install-dependencies.sh
> index 10c3530d1a..502e518077 100755
> --- a/ci/install-dependencies.sh
> +++ b/ci/install-dependencies.sh
> @@ -164,7 +164,7 @@ sparse)
>  		libexpat-dev gettext zlib1g-dev sparse
>  	;;
>  Documentation)
> -	sudo apt-get -q -y install asciidoc xmlto docbook-xsl-ns make
> +	sudo apt-get -q -y install asciidoc xmlto docbook-xsl-ns make ruby

>  
>  	test -n "$ALREADY_HAVE_ASCIIDOCTOR" ||
>  	sudo gem install --version 1.5.8 asciidoctor
>
> ---
> base-commit: 1630431f326e15fcde608827b5ff38422528eb59
> change-id: 20260901-b4-pks-ci-fix-documentation-job-e971e10fbc94