build nix package from repo state instead of a pinned source-tarball

contrib/package/nix/copyparty/default.nix

@@ -70,15 +70,18 @@
 }:
 
 let
-  pinData = lib.importJSON ./pin.json;
   runtimeDeps = ([ util-linux ] ++ extraPackages ++ lib.optional withMediaProcessing ffmpeg);
+  version = lib.pipe (lib.strings.readFile ../../../../copyparty/__version__.py) [
+    (lib.strings.splitString "\n")
+    (lib.lists.map (lib.strings.match  "VERSION *= *\\(([0-9]+), *([0-9]+), *([0-9])\\)"))
+    (lib.lists.findFirst (x: x != null) [ "0" "0" "0" ])
+    (l: "${lib.lists.elemAt l 0}.${lib.lists.elemAt l 1}.${lib.lists.elemAt l 2}")
+  ];
 in
 buildPythonApplication {
   pname = "copyparty";
-  inherit (pinData) version;
-  src = fetchurl {
-    inherit (pinData) url hash;
-  };
+  inherit version;
+  src = ../../../../.;
   dependencies =
     [
       jinja2
@@ -110,7 +113,7 @@ buildPythonApplication {
       FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file, no deps
     '';
     homepage = "https://github.com/9001/copyparty";
-    changelog = "https://github.com/9001/copyparty/releases/tag/v${pinData.version}";
+    changelog = "https://github.com/9001/copyparty/releases/tag/v${version}";
     license = lib.licenses.mit;
     mainProgram = "copyparty";
     sourceProvenance = [ lib.sourceTypes.fromSource ];

contrib/package/nix/copyparty/pin.json

@@ -1,5 +0,0 @@
-{
-    "url": "https://github.com/9001/copyparty/releases/download/v1.19.5/copyparty-1.19.5.tar.gz",
-    "version": "1.19.5",
-    "hash": "sha256-Nm4Oc9DjIuHbqTFbqjKKbNSI8nLLQxuRh9oyY2HC19o="
-}

contrib/package/nix/copyparty/update.py

@@ -1,78 +0,0 @@
-#!/usr/bin/env python3
-
-# Update the Nix package pin
-#
-# Usage: ./update.sh [PATH]
-# When the [PATH] is not set, it will fetch the latest release from the repo.
-# With [PATH] set, it will hash the given file and generate the URL,
-# base on the version contained within the file
-
-import base64
-import json
-import hashlib
-import sys
-import tarfile
-from pathlib import Path
-
-OUTPUT_FILE = Path("pin.json")
-TARGET_ASSET = lambda version: f"copyparty-{version}.tar.gz"
-HASH_TYPE = "sha256"
-LATEST_RELEASE_URL = "https://api.github.com/repos/9001/copyparty/releases/latest"
-DOWNLOAD_URL = lambda version: f"https://github.com/9001/copyparty/releases/download/v{version}/{TARGET_ASSET(version)}"
-
-
-def get_formatted_hash(binary):
-    hasher = hashlib.new("sha256")
-    hasher.update(binary)
-    asset_hash = hasher.digest()
-    encoded_hash = base64.b64encode(asset_hash).decode("ascii")
-    return f"{HASH_TYPE}-{encoded_hash}"
-
-
-def version_from_tar_gz(path):
-    with tarfile.open(path) as tarball:
-        release_name = tarball.getmembers()[0].name
-        prefix = "copyparty-"
-
-        if release_name.startswith(prefix):
-            return release_name.replace(prefix, "")
-    raise ValueError("version not found in provided file")
-
-
-def remote_release_pin():
-    import requests
-
-    response = requests.get(LATEST_RELEASE_URL).json()
-    version = response["tag_name"].lstrip("v")
-    asset_info = [a for a in response["assets"] if a["name"] == TARGET_ASSET(version)][0]
-    download_url = asset_info["browser_download_url"]
-    asset = requests.get(download_url)
-    formatted_hash = get_formatted_hash(asset.content)
-
-    result = {"url": download_url, "version": version, "hash": formatted_hash}
-    return result
-
-
-def local_release_pin(path):
-    version = version_from_tar_gz(path)
-    download_url = DOWNLOAD_URL(version)
-    formatted_hash = get_formatted_hash(path.read_bytes())
-
-    result = {"url": download_url, "version": version, "hash": formatted_hash}
-    return result
-
-
-def main():
-    if len(sys.argv) > 1:
-        asset_path = Path(sys.argv[1])
-        result = local_release_pin(asset_path)
-    else:
-        result = remote_release_pin()
-
-    print(result)
-    json_result = json.dumps(result, indent=4)
-    OUTPUT_FILE.write_text(json_result)
-
-
-if __name__ == "__main__":
-    main()