Notify me when nixpkgs merged several commits in several branches

[kachick]

Why

• nixpkgs often be broken even if stable channel: Bump flake.lock and related dependencies #844 (comment), Bump flake.lock and related dependencies #720 (comment)
• *-unstable has timing difference than master: Install signal-desktop on macOS with nixpkgs version #843
• Tracking issue might include noise (Personally I didn't face this problem in nix community)
  : 2024-08-30 - GitHub で気になるissueをsubscribeした時の通知、「おれもそう思うぜ」みたいなコメントは誰がたしなめようと0にならんのでissueがcloseされた時だけ飛んでほしい times_kachick#304

Note

In local, we can do

> git branch upstream/nixos-24.05 --contains ad770642546822d5146f23f739c4bd57d850f13e

https://stackoverflow.com/questions/43535132/given-a-commit-id-how-to-determine-if-current-branch-contains-the-commit

However it is annoy to keep running in bg