Add an update script for fcitx packages

pkgs/tools/inputmethods/fcitx5/default.nix

@@ -90,6 +90,8 @@ stdenv.mkDerivation rec {
     libxkbfile
   ];
 
+  passthru.updateScript = ./update.py;
+
   meta = with lib; {
     description = "Next generation of fcitx";
     homepage = "https://github.com/fcitx/fcitx5";

pkgs/tools/inputmethods/fcitx5/update.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i python3 -p nix-prefetch-github python3Packages.requests
+
+from nix_prefetch_github import *
+import json
+import requests
+import subprocess
+
+REPOS = [ "libime", "xcb-imdkit", "fcitx5", "fcitx5-gtk", "fcitx5-qt", "fcitx5-configtool", "fcitx5-lua",
+          "fcitx5-rime", "fcitx5-chinese-addons", "fcitx5-table-extra", "fcitx5-table-other" ]
+
+OWNER = "fcitx"
+
+def get_latest_tag(repo, owner=OWNER):
+    r = requests.get( 'https://api.github.com/repos/{}/{}/tags'.format(owner,repo)
+                    , auth=('poscat', 'db5e6fd16d0eb8c36385d3d944e058a1178b4265'))
+    return r.json()[0].get("name")
+
+def main():
+    sources = dict()
+    for repo in REPOS:
+        rev = get_latest_tag(repo)
+        if repo == "fcitx5-qt":
+            subprocess.run(["nix-update", "--commit", "--version", rev, "libsForQt5.{}".format(repo)])
+        else:
+            subprocess.run(["nix-update", "--commit", "--version", rev, repo])
+
+if __name__ == "__main__":
+    main ()