question: standalone home-manager copies untracked files to /nix/store/****-source

[shirakami-chigusa]

Are you following the right branch?

• [X] My Nixpkgs and Home Manager versions are in sync

Is there an existing issue for this?

• [X] I have searched the existing issues

Issue description

I'm having trouble because files that are excluded with .gitignore are copied to /nix/store/12afkpbag242i7w9lb26bk**********-source/.

I confirmed by the following steps:

1. create untracked file ~/.config/home-manager/test-untracked.txt.
2. run home-manager swith with flake.nix. ~/.config/home-manager itself is copied to /nix/store/12afkpbag242i7w9lb26bk**********-source/ as source tree.
3. fd -IH "test-untracked.txt" /nix/store/ shows /nix/store/12afkpbag242i7w9lb26bk**********-source/test-untracked.txt

/nix/store/12afkpbag242i7w9lb26bk**********_source includes untracked cache files .DS_Store .git .lsp/.cache .clj-kondo/.cache. test-untracked.txt is also included.

In particular, .clj-kondo/.cache takes a long time to copy because it is over 50MB and consists of over 10,000 small files. If .clj-kondo/.cache exists, time home-manager switch will be about 30 seconds. If it is removed it will be 3 seconds.

These cache files are listed in .gitignore, but home-manager switch does not seem to use .gitignore. Is there a source filter for the .config/home-manager directory?

Is this a flake issue rather than a home-manager issue? I think the nixos-rebuild switch does not copy untracked files, but the home-manager switch does copy them.

Maintainer CC

No response

System information

- system: `"aarch64-darwin"`
 - host os: `Darwin 23.5.0, macOS 14.5`
 - multi-user?: `yes`
 - sandbox: `no`
 - version: `nix-env (Nix) 2.20.5`
 - nixpkgs: `/nix/store/rhg90jpryc286xn9xjy6qjiaap6pjgdc-source`

I am not using nix-darwin. using home-manager switch.

[shirakami-chigusa]

Since the nixos-rebuild switch depends on git, the test-untracked.txt that has not been added will not be copied.

So when I ran home-manager as nixosModules, it correctly ignored test-untracked.txt.

touch test-untraced.txt
sudo nixos-rebuild switch --flake .#foo
fd "test-untracked.txt" /nix/store/
# print nothing.

git add test-untraced.txt
sudo nixos-rebuild switch --flake .#foo
fd "test-untracked.txt" /nix/store/
# print /nix/store/8qwq3ic74whwc18yvwrzxmynlx7qh457-source/test-untracked.txt

The standalone home-manager switch does not ignore test-untracked.txt.

System information

 - system: `"x86_64-linux"`
 - host os: `Linux 6.6.37, NixOS, 24.05 (Uakari), 24.05.20240711.a046c12`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.18.4`
 - nixpkgs: `/nix/store/2k0r4pk0hzjzk9iwyi61xc0z4qv791j9-source`

[shirakami-chigusa]

I also tested it on nix-darwin.

touch test-untraced.txt
darwin-rebuild switch --flake .
fd "test-untracked.txt" /nix/store/
# print nothing.

git add test-untraced.txt
darwin-rebuild switch --flake .
fd "test-untracked.txt" /nix/store/
# print /nix/store/wdx2n3l5vi72l9a2sqppzila41lg7icq-source/zxcvb.txt

System information

 - system: `"aarch64-darwin"`
 - host os: `Darwin 23.5.0, macOS 14.5`
 - multi-user?: `yes`
 - sandbox: `no`
 - version: `nix-env (Nix) 2.18.5`
 - nixpkgs: `/nix/store/038zs5b21569pjv6v0dwhi6fd95jbzvx-source

[stale[bot]]

Thank you for your contribution! I marked this issue as stale due to inactivity. Please be considerate of people watching this issue and receiving notifications before commenting 'I have this issue too'. We welcome additional information that will help resolve this issue. Please read the relevant sections below before commenting.

If you are the original author of the issue

* If this is resolved, please consider closing it so that the maintainers know not to focus on this. * If this might still be an issue, but you are not interested in promoting its resolution, please consider closing it while encouraging others to take over and reopen an issue if they care enough. * If you know how to solve the issue, please consider submitting a Pull Request that addresses this issue.

If you are not the original author of the issue

* If you are also experiencing this issue, please add details of your situation to help with the debugging process. * If you know how to solve the issue, please consider submitting a Pull Request that addresses this issue.

Memorandum on closing issues

Don't be afraid to manually close an issue, even if it holds valuable information. Closed issues stay in the system for people to search, read, cross-reference, or even reopen – nothing is lost! Closing obsolete issues is an important way to help maintainers focus their time and effort.