Pass SSH environment through to git ls-remote command for remote branches

Without this, for an SSH remote, the known_hosts and SSH key will not
be available, and the `ls-remote` command will fail.

It's somewhat clunky though, perhaps there's a better way to do this?

3 files changed, 8 insertions, 8 deletions

diff --git a/ruby/lib/gitlab/git/remote_mirror.rb b/ruby/lib/gitlab/git/remote_mirror.rb
index 8b5d5d4d3..45a1936a1 100644
--- a/ruby/lib/gitlab/git/remote_mirror.rb
+++ b/ruby/lib/gitlab/git/remote_mirror.rb
@@ -20,9 +20,9 @@ module Gitlab
 
       def update
         ssh_auth.setup do |env|
-          updated_branches = changed_refs(local_branches, remote_branches)
+          updated_branches = changed_refs(local_branches, remote_branches(env: env))
           push_refs(default_branch_first(updated_branches.keys), env: env)
-          delete_refs(local_branches, remote_branches, env: env)
+          delete_refs(local_branches, remote_branches(env: env), env: env)
 
           local_tags = refs_obj(repository.tags)
           remote_tags = refs_obj(repository.remote_tags(remote_name, env: env))
@@ -48,9 +48,9 @@ module Gitlab
         )
       end
 
-      def remote_branches
+      def remote_branches(env:)
         @remote_branches ||= refs_obj(
-          repository.remote_branches(remote_name),
+          repository.remote_branches(remote_name, env: env),
           match_refs: true
         )
       end
diff --git a/ruby/lib/gitlab/git/repository_mirroring.rb b/ruby/lib/gitlab/git/repository_mirroring.rb
index 129bab9c1..0e7f9f15b 100644
--- a/ruby/lib/gitlab/git/repository_mirroring.rb
+++ b/ruby/lib/gitlab/git/repository_mirroring.rb
@@ -12,7 +12,7 @@ module Gitlab
         tags: '+refs/tags/*:refs/tags/*'
       }.freeze
 
-      def remote_branches(remote_name)
+      def remote_branches(remote_name, env:)
         branches = []
 
         rugged.references.each("refs/remotes/#{remote_name}/*").map do |ref|
@@ -30,7 +30,7 @@ module Gitlab
         #
         # See https://gitlab.com/gitlab-org/gitaly/-/issues/2670
         if feature_enabled?(:remote_branches_ls_remote)
-          ls_remote_branches = experimental_remote_branches(remote_name)
+          ls_remote_branches = experimental_remote_branches(remote_name, env: env)
 
           control_refs = branches.collect(&:name)
           experiment_refs = ls_remote_branches.collect(&:name)
diff --git a/ruby/spec/lib/gitlab/git/remote_mirror_spec.rb b/ruby/spec/lib/gitlab/git/remote_mirror_spec.rb
index e4611bce0..1821a7aa9 100644
--- a/ruby/spec/lib/gitlab/git/remote_mirror_spec.rb
+++ b/ruby/spec/lib/gitlab/git/remote_mirror_spec.rb
@@ -49,7 +49,7 @@ describe Gitlab::Git::RemoteMirror do
 
         expect(repository).to receive(:local_branches).and_return([ref('master'), ref('11-5-stable'), ref('unprotected')])
         expect(repository).to receive(:remote_branches)
-          .with(ref_name)
+          .with(ref_name, env: env)
           .and_return([ref('master'), ref('obsolete-branch')])
 
         expect(repository).to receive(:tags).and_return([tag('v1.0.0'), tag('new-tag')])
@@ -87,7 +87,7 @@ describe Gitlab::Git::RemoteMirror do
 
       expect(repository).to receive(:local_branches).and_return([ref('master'), ref('new-branch')])
       expect(repository).to receive(:remote_branches)
-        .with(ref_name)
+        .with(ref_name, env: env)
         .and_return([ref('master'), ref('obsolete-branch')])
 
       expect(repository).to receive(:tags).and_return([tag('v1.0.0'), tag('new-tag')])