Factor out common_guard_excludes in CI config

Author: jirkamarsik

ci/ci_common/common.jsonnet

@@ -10,39 +10,41 @@ common + common.frequencies + {
     ci_resources:: (import "ci-resources.libsonnet"),
   },
 
+  common_guard_excludes:: ["*.md",
+    "<graal>/*.md",
+    "<graal>/ci/**.md",
+    "<graal>/compiler/**.md",
+    "<graal>/espresso/**.md",
+    "<graal>/regex/**.md",
+    "<graal>/sdk/**.md",
+    "<graal>/substratevm/docs/**", # Substratevm includes substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/image/doc-files/PrintImageHeapConnectedComponents.md in the build
+    "<graal>/substratevm/CHANGELOG.md",
+    "<graal>/substratevm/README.md",
+    "<graal>/sulong/docs/**.md",  # Sulong includes its readme in a distribution
+    "<graal>/sulong/CHANGELOG.md",
+    "<graal>/tools/**.md",
+    "<graal>/truffle/**.md",
+    "<graal>/visualizer/**.md",
+    "<graal>/vm/src/**.md", # vm/GRAALVM-README.md is included in a distribution
+    "<graal>/vm/README.md",
+    "<graal>/vm/benchmarks/**.md",
+    "<graal>/vm/docs/**",
+    "<graal>/wasm/**.md",
+    "<graal>/docs/**",
+    "<graal>/.devcontainer/**",
+    "<graal>/.github/**",
+    "<graal>/vm/ce-release-artifacts.json"
+  ],
+
   # Add a guard to `build` that prevents it from running in the gate
-  # for a PR that only touches *.md files, the docs, are config files for GitHub
+  # for a PR that only touches *.md files, the docs, and config files for GitHub
   #
   # To avoid skipping the deployment of some artifacts, only `gate` jobs and
   # post-merges that do not have the `deploy` target are considered.
   add_excludes_guard(build):: (
     if (std.length(std.find('gate', build.targets)) > 0 || std.length(std.find('deploy', build.targets)) == 0) then {
       guard: {
-        excludes: ["*.md",
-          "<graal>/*.md",
-          "<graal>/ci/**.md",
-          "<graal>/compiler/**.md",
-          "<graal>/espresso/**.md",
-          "<graal>/regex/**.md",
-          "<graal>/sdk/**.md",
-          "<graal>/substratevm/docs/**", # Substratevm includes substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/image/doc-files/PrintImageHeapConnectedComponents.md in the build
-          "<graal>/substratevm/CHANGELOG.md",
-          "<graal>/substratevm/README.md",
-          "<graal>/sulong/docs/**.md",  # Sulong includes its readme in a distribution
-          "<graal>/sulong/CHANGELOG.md",
-          "<graal>/tools/**.md",
-          "<graal>/truffle/**.md",
-          "<graal>/visualizer/**.md",
-          "<graal>/vm/src/**.md", # vm/GRAALVM-README.md is included in a distribution
-          "<graal>/vm/README.md",
-          "<graal>/vm/benchmarks/**.md",
-          "<graal>/vm/docs/**",
-          "<graal>/wasm/**.md",
-          "<graal>/docs/**",
-          "<graal>/.devcontainer/**",
-          "<graal>/.github/**",
-          "<graal>/vm/ce-release-artifacts.json"
-        ]
+        excludes: self.common_guard_excludes
       }
     } else {}
   ) + build,