lix/doc/manual/rl-next/flake-metadata-time.md
jade bd1344ec54 nix flake metadata: print modified dates for input flakes
This was always in the lock file and we can simply actually print it.

The test for this is a little bit silly but it should correctly
control for my daring to exercise timezone code *and* locale code in a
test, which I strongly suspect nobody dared do before.

Sample (abridged):
```
Path:          /nix/store/gaxb42z68bcr8lch467shvmnhjjzgd8b-source
Last modified: 1970-01-01 00:16:40
Inputs:
├───flake-compat: github:edolstra/flake-compat/0f9255e01c2351cc7d116c072cb317785dd33b33
│   Last modified: 2023-10-04 13:37:54
├───flake-utils: github:numtide/flake-utils/b1d9ab70662946ef0850d488da1c9019f3a9752a
│   Last modified: 2024-03-11 08:33:50
│   └───systems: github:nix-systems/default/da67096a3b9bf56a91d16901293e51ba5b49a27e
│       Last modified: 2023-04-09 08:27:08
```

Change-Id: I355f82cb4b633974295375ebad646fb6e2107f9b
2024-08-04 20:41:19 -07:00

1.2 KiB

synopsis cls credits category
`nix flake metadata` prints modified date 1700 jade Improvements

Ever wonder "gee, when did I update nixpkgs"? Wonder no more, because nix flake metadata now simply tells you the times every locked flake input was updated:

<...>
Description:   The purely functional package manager
Path:          /nix/store/c91yi8sxakc2ry7y4ac1smzwka4l5p78-source
Revision:      c52cff582043838bbe29768e7da232483d52b61d-dirty
Last modified: 2024-07-31 22:15:54
Inputs:
├───flake-compat: github:edolstra/flake-compat/0f9255e01c2351cc7d116c072cb317785dd33b33
│   Last modified: 2023-10-04 06:37:54
├───nix2container: github:nlewo/nix2container/3853e5caf9ad24103b13aa6e0e8bcebb47649fe4
│   Last modified: 2024-07-10 13:15:56
├───nixpkgs: github:NixOS/nixpkgs/e21630230c77140bc6478a21cd71e8bb73706fce
│   Last modified: 2024-07-25 11:26:27
├───nixpkgs-regression: github:NixOS/nixpkgs/215d4d0fd80ca5163643b03a33fde804a29cc1e2
│   Last modified: 2022-01-24 11:20:45
└───pre-commit-hooks: github:cachix/git-hooks.nix/f451c19376071a90d8c58ab1a953c6e9840527fd
    Last modified: 2024-07-15 04:21:09