From d39cc8c1c782a361601d37fc2a1babed9d395b72 Mon Sep 17 00:00:00 2001
From: Oskar Manhart <52569953+oskardotglobal@users.noreply.github.com>
Date: Sat, 17 May 2025 13:59:43 +0200
Subject: [PATCH] feat: add check before building

---
 .forgejo/workflows/check_version_exists.py   | 37 ++++++++++++++++++++
 .forgejo/workflows/check_version_exists.yaml | 34 ++++++++++++++++++
 .forgejo/workflows/pycairo.yaml              | 20 +++++++++--
 3 files changed, 88 insertions(+), 3 deletions(-)
 create mode 100644 .forgejo/workflows/check_version_exists.py
 create mode 100644 .forgejo/workflows/check_version_exists.yaml

diff --git a/.forgejo/workflows/check_version_exists.py b/.forgejo/workflows/check_version_exists.py
new file mode 100644
index 0000000..d6efa40
--- /dev/null
+++ b/.forgejo/workflows/check_version_exists.py
@@ -0,0 +1,37 @@
+#/usr/bin/env python3
+
+import os
+import re
+import sys
+import requests
+
+
+def get_github_version(repository: str) -> str:
+    res = requests.get(f"https://api.github.com/repos/{repository}/releases/latest").json()
+    return res["tag_name"].removeprefix("v")
+
+
+def does_pypi_version_exist(base_url: str, package: str, version: str) -> bool:
+    base_url = base_url.removesuffix("/")
+    version = version.replace(".", "\\.")
+
+    body = requests.get(f"{base_url}/simple/{package}").text
+    return len(re.findall(rf"<a href=\".+\">{package}-{version}-.+</a>", body, re.MULTILINE)) > 0
+
+
+def main():
+    repository = os.environ["REPOSITORY"]
+    package = os.environ["PACKAGE"]
+    base_url = os.environ["FORGEJO_URL"]
+
+    version = get_github_version(repository)
+
+    if does_pypi_version_exist(base_url, package, version):
+        sys.exit(0)
+
+    print(f"version=v{version}")
+
+
+if __name__ == "__main__":
+    main()
+
diff --git a/.forgejo/workflows/check_version_exists.yaml b/.forgejo/workflows/check_version_exists.yaml
new file mode 100644
index 0000000..de78cdc
--- /dev/null
+++ b/.forgejo/workflows/check_version_exists.yaml
@@ -0,0 +1,34 @@
+on:
+  workflow_call:
+    inputs:
+      github-repository:
+        required: true
+        type: string
+      pypi-package:
+        required: true
+        type: string
+      pypi-base-url:
+        required: true
+        type: string
+    outputs:
+      version: ${{ jobs.check-version-exists.outputs.version }}
+
+jobs:
+  check-version-exists:
+    runs-on: ubuntu-latest
+
+    outputs:
+      version: ${{ steps.check.outputs.version }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - id: check
+        run: |
+          pip3 install requests
+          exec python3 check_version_exists.py >> $GITHUB_OUTPUT 
+        env:
+          REPOSITORY: ${{ inputs.github-repository }}
+          PACKAGE: ${{ inputs.pypi-package}}
+          BASE_URL: ${{ inputs.pypi-base-url}}
+
diff --git a/.forgejo/workflows/pycairo.yaml b/.forgejo/workflows/pycairo.yaml
index ebc884a..56e4a4a 100644
--- a/.forgejo/workflows/pycairo.yaml
+++ b/.forgejo/workflows/pycairo.yaml
@@ -5,16 +5,30 @@ on:
   schedule:
     - cron: "0 10 * * 0"
 
+env:
+  REPOSITORY_URL: https://cmwedding-bot:${{ secrets.FORGEJO_TOKEN }}@git.weddingfactory.eu/api/packages/cmwedding/pypi
+
 jobs:
-  build_wheels:
+  check-version-exists:
+    uses: .forgejo/workflows/check-version-exists.yaml
+    with:
+      pypi-base-url: ${{ env.REPOSITORY_URL }}
+      pypi-package: pycairo
+      github-repository: "pygobject/pycairo"
+
+  build:
     name: Build wheels on ${{ matrix.os }}
+    
+    needs: check-version-exists
+    if: needs.check-version-exists.outputs.version != ""
+
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-latest]
 
     steps:
-      - run: git clone --depth=1 https://github.com/pygobject/pycairo --branch v1.28.0 .
+      - run: git clone --depth=1 https://github.com/pygobject/pycairo --branch ${{ needs.check-version-exists.outputs.version }} .
 
       - name: Build wheels
         uses: https://github.com/pypa/cibuildwheel@v2.23.3
@@ -29,6 +43,6 @@ jobs:
           pip3 install twine
           python3 -m twine upload ./wheelhouse/*
         env:
-          TWINE_REPOSITORY_URL: https://cmwedding-bot:${{ secrets.FORGEJO_TOKEN }}@git.weddingfactory.eu/api/packages/cmwedding/pypi
+          TWINE_REPOSITORY_URL: ${{ env.REPOSITORY_URL }}
           TWINE_NON_INTERACTIVE: 1