add function purge_artifacts

Author: zhanhb

.github/functions.sh

@@ -139,6 +139,11 @@ release_perform() {
 	find . -type f -name "*-$REVISION.zip" -print0 | xargs -0 gh release -R "$GITHUB_REPOSITORY" create "$TAG" --prerelease --target "$COMMIT_ID"
 }
 
+purge_artifacts() {
+	./mvnw -B --color=always build-helper:remove-project-artifact || :
+	find ~/.m2/ -type d -name '*-SNAPSHOT' \( -exec rm -rf '{}' \; -prune \)
+}
+
 [ $# -eq 0 ] || {
 	set -e
 	set -o pipefail

.github/workflows/build.yml

@@ -49,9 +49,7 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
       - name: Before Cache
-        run: |
-          ./mvnw -B --color=always build-helper:remove-project-artifact || :
-          find ~/.m2/ -type d -name '*-SNAPSHOT' \( -exec rm -rf '{}' \; -prune \)
+        run: .github/functions.sh purge_artifacts
   deploy:
     name: deploy
     runs-on: ubuntu-latest
@@ -85,6 +83,4 @@ jobs:
           *) printf '\e[31m%s\e[m\n' "skip deploy version '$version'" ;;
           esac
       - name: Before Cache
-        run: |
-          ./mvnw -B --color=always build-helper:remove-project-artifact || :
-          find ~/.m2/ -type d -name '*-SNAPSHOT' \( -exec rm -rf '{}' \; -prune \)
+        run: .github/functions.sh purge_artifacts

.github/workflows/release.yml

@@ -75,6 +75,4 @@ jobs:
           MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
         run: .github/functions.sh release_perform
       - name: Before Cache
-        run: |
-          ./mvnw -B --color=always build-helper:remove-project-artifact || :
-          find ~/.m2/ -type d -name '*-SNAPSHOT' \( -exec rm -rf '{}' \; -prune \)
+        run: .github/functions.sh purge_artifacts