[cd] Guard cd-circt PR on llvm-firtool publish to Maven (#4330)

Co-authored-by: Schuyler Eldridge <[email protected]>
chipsalliance · Aug 6, 2024 · e6df4cf · e6df4cf
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diff --git a/.github/scripts/check-maven-for-llvm-firtool-version.sh b/.github/scripts/check-maven-for-llvm-firtool-version.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+# Strip firtool- prefix from argument
+VERSION=${1#firtool-}
+
+POM="https://repo1.maven.org/maven2/org/chipsalliance/llvm-firtool/$VERSION/llvm-firtool-$VERSION.pom"
+
+# Return 1 if not found
+curl -o/dev/null -sfIL "$POM" || false
diff --git a/.github/workflows/cd-circt.yml b/.github/workflows/cd-circt.yml
@@ -21,4 +21,5 @@ jobs:
           pr-reviewers: |
             seldridge
             jackkoenig
+          should-create-pr: '.github/scripts/check-maven-for-llvm-firtool-version.sh'
           github-token: ${{ secrets.CHISEL_BOT_TOKEN }}