ci: add workflow_dispatch gitea-only mode for release body sync

.github/workflows/release.yml

@@ -13,12 +13,17 @@ on:
       tag:
         description: 'Tag versione (es. v1.7.0)'
         required: true
+      gitea_only:
+        description: 'Esegui solo sync release body su Gitea (salta build e GitHub release)'
+        required: false
+        default: 'false'
 
 permissions:
   contents: write
 
 jobs:
   build:
+    if: ${{ !(github.event_name == 'workflow_dispatch' && inputs.gitea_only == 'true') }}
     runs-on: windows-latest
     strategy:
       fail-fast: true
@@ -69,6 +74,7 @@ jobs:
           path: '*.zip'
 
   build-linux:
+    if: ${{ !(github.event_name == 'workflow_dispatch' && inputs.gitea_only == 'true') }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true
@@ -114,6 +120,7 @@ jobs:
           if-no-files-found: error
 
   publish:
+    if: ${{ !(github.event_name == 'workflow_dispatch' && inputs.gitea_only == 'true') }}
     needs: [build, build-linux]
     runs-on: ubuntu-latest
     steps:
@@ -127,6 +134,9 @@ jobs:
       - name: Extract changelog section
         run: |
           tag="${{ github.ref_name }}"
+          if [ -z "$tag" ] || [ "$tag" = "main" ]; then
+            tag="${{ inputs.tag }}"
+          fi
           version="${tag#v}"
           awk -v ver="[$version]" '
             /^## / && index($0, ver) { found=1; next }
@@ -155,6 +165,8 @@ jobs:
       - name: Update Gitea Release body
         env:
           GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          INPUT_TAG: ${{ inputs.tag }}
+          GITEA_TAG: ${{ github.ref_name }}
         run: |
           python3 - <<'PY'
           import json
@@ -164,9 +176,13 @@ jobs:
 
           base = "https://gitea.emulab.it/api/v1"
           repo = "Simone/nsis-plugin-ns7zip"
-          tag = "${{ github.ref_name }}"
+            tag = os.environ.get("GITEA_TAG", "").strip()
+            if not tag or tag == "main":
+              tag = os.environ.get("INPUT_TAG", "").strip()
             token = os.environ.get("GITEA_TOKEN", "").strip()
 
+            if not tag:
+              raise SystemExit("Tag non disponibile: imposta input 'tag' in workflow_dispatch")
             if not token:
               raise SystemExit("GITEA_TOKEN is missing or empty")
 
@@ -237,3 +253,118 @@ jobs:
               )
               print(f"Created Gitea release id={created['id']} for tag {tag}")
           PY
+
+          sync-gitea-only:
+          if: ${{ github.event_name == 'workflow_dispatch' && inputs.gitea_only == 'true' }}
+          runs-on: ubuntu-latest
+          steps:
+            - uses: actions/checkout@v6
+
+            - name: Extract changelog section
+            run: |
+              tag="${{ inputs.tag }}"
+              version="${tag#v}"
+              awk -v ver="[$version]" '
+              /^## / && index($0, ver) { found=1; next }
+              found && /^## / { exit }
+              found { print }
+              ' CHANGELOG.md > release_body.md
+              if [ ! -s release_body.md ]; then
+              echo "Sezione CHANGELOG non trovata per $tag"
+              exit 1
+              fi
+              echo "" >> release_body.md
+              echo "---" >> release_body.md
+              echo "_Repository primario: vedi link Gitea nel README. Il mirror GitHub è generato automaticamente._" >> release_body.md
+
+            - name: Update Gitea Release body
+            env:
+              GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+              INPUT_TAG: ${{ inputs.tag }}
+              GITEA_TAG: ${{ github.ref_name }}
+            run: |
+              python3 - <<'PY'
+              import json
+              import os
+              import urllib.error
+              import urllib.request
+
+              base = "https://gitea.emulab.it/api/v1"
+              repo = "Simone/nsis-plugin-ns7zip"
+              tag = os.environ.get("GITEA_TAG", "").strip()
+              if not tag or tag == "main":
+                tag = os.environ.get("INPUT_TAG", "").strip()
+              token = os.environ.get("GITEA_TOKEN", "").strip()
+
+              if not tag:
+                raise SystemExit("Tag non disponibile: imposta input 'tag' in workflow_dispatch")
+              if not token:
+                raise SystemExit("GITEA_TOKEN is missing or empty")
+
+              with open("release_body.md", "r", encoding="utf-8") as f:
+                body = f.read()
+
+              def request(method, path, payload=None, auth_scheme="token"):
+                data = json.dumps(payload).encode("utf-8") if payload is not None else None
+                req = urllib.request.Request(
+                  f"{base}{path}",
+                  data=data,
+                  method=method,
+                  headers={
+                    "Authorization": f"{auth_scheme} {token}",
+                    "Content-Type": "application/json",
+                    "Accept": "application/json",
+                  },
+                )
+                with urllib.request.urlopen(req) as resp:
+                  return json.loads(resp.read().decode("utf-8"))
+
+              auth_scheme = None
+              last_error = None
+              for scheme in ("token", "Bearer"):
+                try:
+                  user = request("GET", "/user", auth_scheme=scheme)
+                  auth_scheme = scheme
+                  print(f"Gitea auth OK via '{scheme}' as user: {user.get('login', '<unknown>')}")
+                  break
+                except urllib.error.HTTPError as e:
+                  try:
+                    details = e.read().decode("utf-8", errors="replace")
+                  except Exception:
+                    details = ""
+                  last_error = f"HTTP {e.code} {e.reason} ({scheme}) {details}".strip()
+
+              if not auth_scheme:
+                raise SystemExit(
+                  "Gitea authentication failed for both 'token' and 'Bearer'. "
+                  "Check secret GITEA_TOKEN value and permissions (Repository Read+Write). "
+                  f"Last error: {last_error}"
+                )
+
+              try:
+                release = request("GET", f"/repos/{repo}/releases/tags/{tag}", auth_scheme=auth_scheme)
+                rid = release["id"]
+                request("PATCH", f"/repos/{repo}/releases/{rid}", {"body": body}, auth_scheme=auth_scheme)
+                print(f"Updated existing Gitea release id={rid} for tag {tag}")
+              except urllib.error.HTTPError as e:
+                if e.code != 404:
+                  try:
+                    details = e.read().decode("utf-8", errors="replace")
+                  except Exception:
+                    details = ""
+                  raise SystemExit(f"Gitea release lookup/update failed: HTTP {e.code} {e.reason}. {details}".strip())
+
+                created = request(
+                  "POST",
+                  f"/repos/{repo}/releases",
+                  {
+                    "tag_name": tag,
+                    "name": tag,
+                    "body": body,
+                    "draft": False,
+                    "prerelease": False,
+                  },
+                  auth_scheme=auth_scheme,
+                )
+                print(f"Created Gitea release id={created['id']} for tag {tag}")
+              PY