Imported Upstream version 6.12.0.98

Former-commit-id: 066e1c5ebb0cc420bd293e60a01325420779fdd1

external/llvm-project/eng/common/templates/steps/build-reason.yml

@@ -0,0 +1,12 @@
+# build-reason.yml
+# Description: runs steps if build.reason condition is valid.  conditions is a string of valid build reasons 
+# to include steps (',' separated).
+parameters:
+  conditions: ''
+  steps: []
+
+steps:
+  - ${{ if and( not(startsWith(parameters.conditions, 'not')), contains(parameters.conditions, variables['build.reason'])) }}:
+    - ${{ parameters.steps }}
+  - ${{ if and( startsWith(parameters.conditions, 'not'), not(contains(parameters.conditions, variables['build.reason']))) }}:
+    - ${{ parameters.steps }}