Update Gitaly build images

- Adds Git v2.25 and v2.27 (see https://gitlab.com/gitlab-org/gitaly/-/issues/2773)
- Removes Git v2.22 (no longer used by Gitaly)
- Removes Go v1.12 (no longer used by Gitaly)

.gitlab-ci.yml

@@ -60,16 +60,14 @@ variables:
 node-10 test: *test_custom
 
 # Used by Gitaly: https://gitlab.com/gitlab-org/gitaly/blob/master/.gitlab-ci.yml
-
-ruby-2.6-golang-1.12-git-2.22 test: *test_custom
-ruby-2.6-golang-1.12-git-2.24 test: *test_custom
-ruby-2.6-golang-1.12-git-2.26 test: *test_custom
-ruby-2.6-golang-1.13-git-2.22 test: *test_custom
 ruby-2.6-golang-1.13-git-2.24 test: *test_custom
+ruby-2.6-golang-1.13-git-2.25 test: *test_custom
 ruby-2.6-golang-1.13-git-2.26 test: *test_custom
-ruby-2.6-golang-1.14-git-2.22 test: *test_custom
+ruby-2.6-golang-1.13-git-2.27 test: *test_custom
 ruby-2.6-golang-1.14-git-2.24 test: *test_custom
+ruby-2.6-golang-1.14-git-2.25 test: *test_custom
 ruby-2.6-golang-1.14-git-2.26 test: *test_custom
+ruby-2.6-golang-1.14-git-2.27 test: *test_custom
 
 # Used by GitLab: https://gitlab.com/gitlab-org/gitlab/blob/master/.gitlab-ci.yml
 ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-83-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34 test: *test_custom
@@ -121,15 +119,14 @@ golangci-lint-alpine test: *test_build
 node-10: *build_and_deploy_custom
 
 # Used by Gitaly: https://gitlab.com/gitlab-org/gitaly/blob/master/.gitlab-ci.yml
-ruby-2.6-golang-1.12-git-2.22: *build_and_deploy_custom
-ruby-2.6-golang-1.12-git-2.24: *build_and_deploy_custom
-ruby-2.6-golang-1.12-git-2.26: *build_and_deploy_custom
-ruby-2.6-golang-1.13-git-2.22: *build_and_deploy_custom
 ruby-2.6-golang-1.13-git-2.24: *build_and_deploy_custom
+ruby-2.6-golang-1.13-git-2.25: *build_and_deploy_custom
 ruby-2.6-golang-1.13-git-2.26: *build_and_deploy_custom
-ruby-2.6-golang-1.14-git-2.22: *build_and_deploy_custom
+ruby-2.6-golang-1.13-git-2.27: *build_and_deploy_custom
 ruby-2.6-golang-1.14-git-2.24: *build_and_deploy_custom
+ruby-2.6-golang-1.14-git-2.25: *build_and_deploy_custom
 ruby-2.6-golang-1.14-git-2.26: *build_and_deploy_custom
+ruby-2.6-golang-1.14-git-2.27: *build_and_deploy_custom
 
 # Used by GitLab CE/EE: https://gitlab.com/gitlab-org/gitlab-ee/blob/master/.gitlab-ci.yml
 ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-83-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34: *build_and_deploy_custom

scripts/custom-docker-build

@@ -81,10 +81,18 @@ function print_git_args() {
             GIT_VERSION=2.24.3
             GIT_DOWNLOAD_SHA256=ef6d1d1de1d7921a54d23d07479bd2766f050d6435cea5d3b5322aa4897cb3d7
             ;;
+        2.25)
+            GIT_VERSION=2.25.4
+            GIT_DOWNLOAD_SHA256=1b11d0ee481c6735e9f7d81a3576ef0989bde7843cb4adcdef578c0593d279ab
+            ;;
         2.26)
             GIT_VERSION=2.26.2
             GIT_DOWNLOAD_SHA256=e1c17777528f55696815ef33587b1d20f5eec246669f3b839d15dbfffad9c121
             ;;
+        2.27)
+            GIT_VERSION=2.27.0
+            GIT_DOWNLOAD_SHA256=77ded85cbe42b1ffdc2578b460a1ef5d23bcbc6683eabcafbb0d394dffe2e787 
+            ;;
         *) echo "Unknown git version $1"; exit 1;
     esac