specify spring boot versions in separate file so it can be updated

Author: adinauer

.github/data/spring-boot-2-versions.json

@@ -0,0 +1,3 @@
+{
+  "versions": ["2.1.0", "2.2.5", "2.4.13", "2.5.15", "2.6.15", "2.7.0", "2.7.18"]
+}

.github/data/spring-boot-3-versions.json

@@ -0,0 +1,3 @@
+{
+  "versions": ["3.0.0", "3.2.10", "3.3.5", "3.4.5", "3.5.6"]
+}

.github/data/spring-boot-4-versions.json

@@ -0,0 +1,3 @@
+{
+  "versions": ["4.0.0-M1", "4.0.0-M2", "4.0.0-M3"]
+}

.github/workflows/spring-boot-2-matrix.yml

@@ -11,13 +11,25 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  load-versions:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v5
+      - name: Set matrix data
+        id: set-matrix
+        run: echo "matrix=$(cat .github/data/spring-boot-2-versions.json | jq -c .versions)" >> $GITHUB_OUTPUT
+
   spring-boot-2-matrix:
+    needs: load-versions
     timeout-minutes: 45
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        springboot-version: [ '2.1.0', '2.2.5', '2.4.13', '2.5.15', '2.6.15', '2.7.0', '2.7.18' ]
+        springboot-version: ${{ fromJSON(needs.load-versions.outputs.matrix) }}
 
     name: Spring Boot ${{ matrix.springboot-version }}
     env:

.github/workflows/spring-boot-3-matrix.yml

@@ -11,13 +11,25 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  load-versions:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v5
+      - name: Set matrix data
+        id: set-matrix
+        run: echo "matrix=$(cat .github/data/spring-boot-3-versions.json | jq -c .versions)" >> $GITHUB_OUTPUT
+
   spring-boot-3-matrix:
+    needs: load-versions
     timeout-minutes: 45
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        springboot-version: [ '3.0.0', '3.2.10', '3.3.5', '3.4.5', '3.5.6' ]
+        springboot-version: ${{ fromJSON(needs.load-versions.outputs.matrix) }}
 
     name: Spring Boot ${{ matrix.springboot-version }}
     env:

.github/workflows/spring-boot-4-matrix.yml

@@ -11,13 +11,25 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  load-versions:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v5
+      - name: Set matrix data
+        id: set-matrix
+        run: echo "matrix=$(cat .github/data/spring-boot-4-versions.json | jq -c .versions)" >> $GITHUB_OUTPUT
+
   spring-boot-4-matrix:
+    needs: load-versions
     timeout-minutes: 45
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        springboot-version: [ '4.0.0-M1', '4.0.0-M2', '4.0.0-M3' ]
+        springboot-version: ${{ fromJSON(needs.load-versions.outputs.matrix) }}
 
     name: Spring Boot ${{ matrix.springboot-version }}
     env:

.github/workflows/update-spring-boot-versions.yml

@@ -105,26 +105,18 @@ jobs:
               print("All attempts failed")
               return []
 
-          def parse_current_versions(workflow_file):
-              """Parse current Spring Boot versions from workflow file"""
-              content = Path(workflow_file).read_text()
-
-              # Find the springboot-version matrix line
-              pattern = r'springboot-version:\s*\[\s*([^\]]+)\s*\]'
-              match = re.search(pattern, content)
-
-              if not match:
+          def parse_current_versions(json_file):
+              """Parse current Spring Boot versions from JSON data file"""
+              if not Path(json_file).exists():
                   return []
 
-              # Extract versions from the match
-              versions_str = match.group(1)
-              versions = []
-              for v in versions_str.split(','):
-                  v = v.strip().strip("'\"")
-                  if v:
-                      versions.append(v)
-
-              return versions
+              try:
+                  with open(json_file, 'r') as f:
+                      data = json.load(f)
+                  return data.get('versions', [])
+              except Exception as e:
+                  print(f"Error reading {json_file}: {e}")
+                  return []
 
           def get_latest_patch(all_versions, minor_version):
               """Get the latest patch version for a given minor version"""
@@ -202,24 +194,17 @@ jobs:
 
               return final_versions, changes_made
 
-          def update_workflow_file(workflow_file, new_versions):
-              """Update the workflow file with new versions"""
-              content = Path(workflow_file).read_text()
-
-              # Format new versions for YAML
-              versions_str = ", ".join([f"'{v}'" for v in new_versions])
-              new_matrix_line = f"        springboot-version: [ {versions_str} ]"
-
-              # Replace the matrix line
-              pattern = r'(\s*)springboot-version:\s*\[\s*[^\]]+\s*\]'
-              replacement = new_matrix_line
-
-              updated_content = re.sub(pattern, replacement, content)
-
-              if updated_content != content:
-                  Path(workflow_file).write_text(updated_content)
+          def update_json_file(json_file, new_versions):
+              """Update the JSON data file with new versions"""
+              try:
+                  # Write new versions to JSON file
+                  data = {"versions": new_versions}
+                  with open(json_file, 'w') as f:
+                      json.dump(data, f, indent=2)
                   return True
-              return False
+              except Exception as e:
+                  print(f"Error writing to {json_file}: {e}")
+                  return False
 
           def main():
               print("Fetching Spring Boot versions...")
@@ -231,22 +216,22 @@ jobs:
 
               print(f"Found {len(all_versions)} versions")
 
-              workflows = [
-                  (".github/workflows/spring-boot-2-matrix.yml", "2"),
-                  (".github/workflows/spring-boot-3-matrix.yml", "3"),
-                  (".github/workflows/spring-boot-4-matrix.yml", "4")
+              data_files = [
+                  (".github/data/spring-boot-2-versions.json", "2"),
+                  (".github/data/spring-boot-3-versions.json", "3"),
+                  (".github/data/spring-boot-4-versions.json", "4")
               ]
 
               changes_made = False
               change_summary = []
 
-              for workflow_file, major_version in workflows:
-                  if not Path(workflow_file).exists():
+              for json_file, major_version in data_files:
+                  if not Path(json_file).exists():
                       continue
 
-                  print(f"\nProcessing {workflow_file} (Spring Boot {major_version}.x)")
+                  print(f"\nProcessing {json_file} (Spring Boot {major_version}.x)")
 
-                  current_versions = parse_current_versions(workflow_file)
+                  current_versions = parse_current_versions(json_file)
                   if not current_versions:
                       continue
 
@@ -256,7 +241,7 @@ jobs:
 
                   if file_changed:
                       print(f"New versions: {new_versions}")
-                      if update_workflow_file(workflow_file, new_versions):
+                      if update_json_file(json_file, new_versions):
                           changes_made = True
                           change_summary.append(f"Spring Boot {major_version}.x: {' -> '.join([str(current_versions), str(new_versions)])}")
                   else: