Use python script to get latest tags in CI

.github/scripts/WIP_generate_pwd.py

@@ -0,0 +1,43 @@
+import shutil
+import subprocess
+
+from get_latest_tags import get_latest_tag, update_env
+
+
+def prepare_env():
+    version = "13"
+    frappe_tag = get_latest_tag("frappe", version)
+    erpnext_tag = get_latest_tag("erpnext", version)
+    shutil.copyfile("example.env", ".env")
+    update_env(".env", frappe_tag, erpnext_tag)
+
+
+def generate_compose_file():
+    output = subprocess.check_output(
+        (
+            "docker-compose",
+            "-f",
+            "compose.yaml",
+            "-f",
+            "overrides/compose.erpnext.yaml",
+            "--env-file",
+            ".env",
+            "config",
+        ),
+        encoding="UTF-8",
+    )
+    text = f'version: "3.9"\n\n{output}'
+    with open("pwd.yml", "a+") as f:
+        f.seek(0)
+        f.truncate()
+        f.write(text)
+
+
+def main() -> int:
+    prepare_env()
+    generate_compose_file()
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

.github/scripts/get-latest-tags.sh

@@ -1,18 +0,0 @@
-#!/bin/bash
-
-set -e
-set -x
-
-get_tag() {
-  tags=$(git ls-remote --refs --tags --sort='v:refname' "https://github.com/$1" "v$2.*")
-  tag=$(echo "$tags" | tail -n1 | sed 's/.*\///')
-  echo "$tag"
-}
-
-FRAPPE_VERSION=$(get_tag frappe/frappe "$VERSION")
-ERPNEXT_VERSION=$(get_tag frappe/erpnext "$VERSION")
-
-cat <<EOL >>"$GITHUB_ENV"
-FRAPPE_VERSION=$FRAPPE_VERSION
-ERPNEXT_VERSION=$ERPNEXT_VERSION
-EOL

.github/scripts/get_latest_tags.py

@@ -0,0 +1,74 @@
+from __future__ import annotations
+
+import argparse
+import json
+import os
+import re
+import subprocess
+import sys
+from typing import Literal
+
+Repo = Literal["frappe", "erpnext"]
+MajorVersion = Literal["12", "13", "develop"]
+
+
+def get_latest_tag(repo: Repo, version: MajorVersion) -> str:
+    if version == "develop":
+        return "develop"
+    regex = rf"v{version}.*"
+    refs = subprocess.check_output(
+        (
+            "git",
+            "ls-remote",
+            "--refs",
+            "--tags",
+            "--sort=v:refname",
+            f"https://github.com/frappe/{repo}",
+            str(regex),
+        ),
+        encoding="UTF-8",
+    ).split()[1::2]
+
+    if not refs:
+        raise RuntimeError(f'No tags found for version "{regex}"')
+    ref = refs[-1]
+    matches: list[str] = re.findall(regex, ref)
+    if not matches:
+        raise RuntimeError(f'Can\'t parse tag from ref "{ref}"')
+    return matches[0]
+
+
+def update_env(file_name: str, frappe_tag: str, erpnext_tag: str | None = None):
+    text = f"\nFRAPPE_VERSION={frappe_tag}"
+    if erpnext_tag:
+        text += f"\nERPNEXT_VERSION={erpnext_tag}"
+
+    with open(file_name, "a") as f:
+        f.write(text)
+
+
+def _print_resp(frappe_tag: str, erpnext_tag: str | None = None):
+    print(json.dumps({"frappe": frappe_tag, "erpnext": erpnext_tag}))
+
+
+def main(_args: list[str]) -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--repo", choices=["frappe", "erpnext"], required=True)
+    parser.add_argument("--version", choices=["12", "13", "develop"], required=True)
+    args = parser.parse_args(_args)
+
+    frappe_tag = get_latest_tag("frappe", args.version)
+    if args.repo == "erpnext":
+        erpnext_tag = get_latest_tag("erpnext", args.version)
+    else:
+        erpnext_tag = None
+
+    file_name = os.getenv("GITHUB_ENV")
+    if file_name:
+        update_env(file_name, frappe_tag, erpnext_tag)
+    _print_resp(frappe_tag, erpnext_tag)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main(sys.argv[1:]))

.github/workflows/main.yml

@@ -65,9 +65,7 @@ jobs:
         uses: ndeloof/install-compose-action@4a33bc31f327b8231c4f343f6fba704fedc0fa23
 
       - name: Get latest versions
-        run: ./.github/scripts/get-latest-tags.sh
-        env:
-          VERSION: ${{ matrix.version }}
+        run: ./.github/scripts/get_latest_tags.py --repo erpnext --version ${{ matrix.version }}
 
       - name: Build
         uses: docker/bake-action@v1.6.0

TODO.md

@@ -1,5 +1,4 @@
 - [ ] Docs
 - [ ] Test with helm chart
-- [ ] CI (also: build only published tag)
 - [ ] Play With Docker generation
 - [ ] Custom app compose and dockerfile examples