ci: add jobs to test with the reftable backend

Add CI jobs for both GitHub Workflows and GitLab CI to run Git with the
new reftable backend.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

.github/workflows/main.yml

@@ -266,6 +266,9 @@ jobs:
           - jobname: linux-sha256
             cc: clang
             pool: ubuntu-latest
+          - jobname: linux-reftable
+            cc: clang
+            pool: ubuntu-latest
           - jobname: linux-gcc
             cc: gcc
             cc_package: gcc-8
@@ -277,6 +280,9 @@ jobs:
           - jobname: osx-clang
             cc: clang
             pool: macos-13
+          - jobname: osx-reftable
+            cc: clang
+            pool: macos-13
           - jobname: osx-gcc
             cc: gcc
             cc_package: gcc-13
@@ -287,6 +293,9 @@ jobs:
           - jobname: linux-leaks
             cc: gcc
             pool: ubuntu-latest
+          - jobname: linux-reftable-leaks
+            cc: gcc
+            pool: ubuntu-latest
           - jobname: linux-asan-ubsan
             cc: clang
             pool: ubuntu-latest

.gitlab-ci.yml

@@ -26,6 +26,9 @@ test:linux:
       - jobname: linux-sha256
         image: ubuntu:latest
         CC: clang
+      - jobname: linux-reftable
+        image: ubuntu:latest
+        CC: clang
       - jobname: linux-gcc
         image: ubuntu:20.04
         CC: gcc
@@ -40,6 +43,9 @@ test:linux:
       - jobname: linux-leaks
         image: ubuntu:latest
         CC: gcc
+      - jobname: linux-reftable-leaks
+        image: ubuntu:latest
+        CC: gcc
       - jobname: linux-asan-ubsan
         image: ubuntu:latest
         CC: clang
@@ -79,6 +85,9 @@ test:osx:
       - jobname: osx-clang
         image: macos-13-xcode-14
         CC: clang
+      - jobname: osx-reftable
+        image: macos-13-xcode-14
+        CC: clang
   artifacts:
     paths:
       - t/failed-test-artifacts

ci/lib.sh

@@ -367,7 +367,7 @@ linux-musl)
 	MAKEFLAGS="$MAKEFLAGS NO_REGEX=Yes ICONV_OMITS_BOM=Yes"
 	MAKEFLAGS="$MAKEFLAGS GIT_TEST_UTF8_LOCALE=C.UTF-8"
 	;;
-linux-leaks)
+linux-leaks|linux-reftable-leaks)
 	export SANITIZE=leak
 	export GIT_TEST_PASSING_SANITIZE_LEAK=true
 	export GIT_TEST_SANITIZE_LEAK_LOG=true

ci/run-build-and-tests.sh

@@ -37,6 +37,9 @@ linux-clang)
 linux-sha256)
 	export GIT_TEST_DEFAULT_HASH=sha256
 	;;
+linux-reftable|linux-reftable-leaks|osx-reftable)
+	export GIT_TEST_DEFAULT_REF_FORMAT=reftable
+	;;
 pedantic)
 	# Don't run the tests; we only care about whether Git can be
 	# built.