Merge branch 'alvin-master-patch-a4d1' into 'master'

Add note about special char bug for rule:exists

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/158728



Merged-by: Marcel Amirault <mamirault@gitlab.com>
Approved-by: Marcel Amirault <mamirault@gitlab.com>
Reviewed-by: Marcel Amirault <mamirault@gitlab.com>
Co-authored-by: Alvin Gounder <agounder@gitlab.com>

doc/ci/yaml/index.md

@@ -4320,6 +4320,8 @@ In this example:
 
 **Additional details**:
 
+- In some cases you cannot use `/` or `./` in a CI/CD variable with `exists`.
+  See [issue 386595](https://gitlab.com/gitlab-org/gitlab/-/issues/386595) for more details.
 - Glob patterns are interpreted with Ruby's [`File.fnmatch`](https://docs.ruby-lang.org/en/master/File.html#method-c-fnmatch)
   with the [flags](https://docs.ruby-lang.org/en/master/File/Constants.html#module-File::Constants-label-Filename+Globbing+Constants+-28File-3A-3AFNM_-2A-29)
   `File::FNM_PATHNAME | File::FNM_DOTMATCH | File::FNM_EXTGLOB`.
@@ -4376,6 +4378,11 @@ docker-build-2:
 
 In this example, both jobs have the same behavior.
 
+**Additional details**:
+
+- In some cases you cannot use `/` or `./` in a CI/CD variable with `exists`.
+  See [issue 386595](https://gitlab.com/gitlab-org/gitlab/-/issues/386595) for more details.
+
 ##### `rules:exists:project`
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/386040) in GitLab 16.11 [with a flag](../../administration/feature_flags.md) named `ci_support_rules_exists_paths_and_project`. Disabled by default.