[PATCH v2] ci: add address and undefined sanitizer tasks

[Junio C Hamano <gitster@pobox.com>]

The signal of "passed with asan, but not ubsan" (or vice versa) is
not that useful in practice, run both santizers in a single task.

Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
Range-diff against v1:
1:  04a9dc5439 ! 1:  cbf0d80ab1 ci: add address and undefined sanitizer tasks
    @@ Metadata
      ## Commit message ##
         ci: add address and undefined sanitizer tasks
     
    +    The signal of "passed with asan, but not ubsan" (or vice versa) is
    +    not that useful in practice, run both santizers in a single task.
    +
    +    Helped-by: Jeff King <peff@peff.net>
         Signed-off-by: Junio C Hamano <gitster@pobox.com>
     
      ## .github/workflows/main.yml ##
    @@ .github/workflows/main.yml: jobs:
                - jobname: linux-leaks
                  cc: gcc
                  pool: ubuntu-latest
    -+          - jobname: linux-address
    -+            cc: gcc
    -+            pool: ubuntu-latest
    -+          - jobname: linux-undefined
    ++          - jobname: linux-sanitize
     +            cc: gcc
     +            pool: ubuntu-latest
          env:
    @@ ci/lib.sh: linux-leaks)
      	export GIT_TEST_PASSING_SANITIZE_LEAK=true
      	export GIT_TEST_SANITIZE_LEAK_LOG=true
      	;;
    -+linux-address | linux-undefined)
    -+	export SANITIZE=${jobname#linux-}
    ++linux-sanitize)
    ++	export SANITIZE=address,undefined
     +	;;
      esac
      

 .github/workflows/main.yml | 3 +++
 ci/lib.sh                  | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 831f4df56c..92d27db0b9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -251,6 +251,9 @@ jobs:
           - jobname: linux-leaks
             cc: gcc
             pool: ubuntu-latest
+          - jobname: linux-sanitize
+            cc: gcc
+            pool: ubuntu-latest
     env:
       CC: ${{matrix.vector.cc}}
       CC_PACKAGE: ${{matrix.vector.cc_package}}
diff --git a/ci/lib.sh b/ci/lib.sh
index 1b0cc2b57d..c9c4982e21 100755
--- a/ci/lib.sh
+++ b/ci/lib.sh
@@ -278,6 +278,9 @@ linux-leaks)
 	export GIT_TEST_PASSING_SANITIZE_LEAK=true
 	export GIT_TEST_SANITIZE_LEAK_LOG=true
 	;;
+linux-sanitize)
+	export SANITIZE=address,undefined
+	;;
 esac
 
 MAKEFLAGS="$MAKEFLAGS CC=${CC:-cc}"
-- 
2.38.0-146-gaff07b31d7