Get latest Quarkus version from maven repo metadata

Even if 1.8.1 is the latest version, if 1.7.5 gets released after 1.8.1,
github will return 1.7.5 as the latest. Using maven's repo metadata
to get the latest version fixes this.

Author: zakkak

.github/workflows/quarkus.yml

@@ -82,31 +82,29 @@ jobs:
         path: mandreljdk.tgz
 
   build-quarkus:
-    name: ${{ matrix.category }} build
+    name: ${{ matrix.quarkus-name }} build
     runs-on: ubuntu-18.04
     needs: build-mandrel
     strategy:
       matrix:
-        category: [quarkus-release, quarkus-master]
+        quarkus-name: [release, master]
         include:
-          - category: quarkus-release
-            quarkus-url: $(curl -sL https://api.github.com/repos/quarkusio/quarkus/releases/latest | jq -r .tarball_url)
-            quarkus-name: release
-          - category: quarkus-master
-            quarkus-url: https://api.github.com/repos/quarkusio/quarkus/tarball/master
-            quarkus-name: master
+          - quarkus-name: release
+            quarkus-version: $(curl https://repo1.maven.org/maven2/io/quarkus/quarkus-bom/maven-metadata.xml | awk -F"[<>]" '/latest/ {print $3}')
+          - quarkus-name: master
+            quarkus-version: master
     steps:
     - name: Get quarkus
       run: |
-        curl --output quarkus.tgz -sL ${{ matrix.quarkus-url }}
+        curl --output quarkus.tgz -sL https://api.github.com/repos/quarkusio/quarkus/tarball/${{ matrix.quarkus-version }}
         mkdir ${GITHUB_WORKSPACE}/quarkus
         tar xf quarkus.tgz -C ${GITHUB_WORKSPACE}/quarkus --strip-components=1
     - uses: actions/cache@v1
       with:
         path: ~/.m2/repository
-        key: ${{ runner.os }}-${{ matrix.quarkus-name }}-maven-${{ hashFiles('**/pom.xml') }}
+        key: ${{ runner.os }}-${{ matrix.quarkus-version }}-maven-${{ hashFiles('**/pom.xml') }}
         restore-keys: |
-          ${{ runner.os }}-${{ matrix.quarkus-name }}-maven-
+          ${{ runner.s }}-${{ matrix.quarkus-version }}-maven-
     - name: Download Mandrel build
       uses: actions/download-artifact@v1
       with:
@@ -147,9 +145,9 @@ jobs:
         category: [Main, Data1, Data2, Data3, Data4, Data5, Data6, Security1, Security2, Security3, Amazon, Messaging, Cache, HTTP, Misc1, Misc2, Misc3, Misc4, Spring, gRPC]
         include:
           - quarkus-name: release
-            quarkus-url: $(curl -sL https://api.github.com/repos/quarkusio/quarkus/releases/latest | jq -r .tarball_url)
+            quarkus-version: $(curl https://repo1.maven.org/maven2/io/quarkus/quarkus-bom/maven-metadata.xml | awk -F"[<>]" '/latest/ {print $3}')
           - quarkus-name: master
-            quarkus-url: https://api.github.com/repos/quarkusio/quarkus/tarball/master
+            quarkus-version: master
           - category: Main
             postgres: "true"
             timeout: 40
@@ -403,7 +401,7 @@ jobs:
         run: tar -xzvf mandreljdk.tgz -C ~
       - name: Get quarkus
         run: |
-          curl --output quarkus.tgz -sL ${{ matrix.quarkus-url }}
+          curl --output quarkus.tgz -sL https://api.github.com/repos/quarkusio/quarkus/tarball/${{ matrix.quarkus-version }}
           mkdir ${GITHUB_WORKSPACE}/quarkus
           tar xf quarkus.tgz -C ${GITHUB_WORKSPACE}/quarkus --strip-components=1
       - name: Reclaim disk space