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A setting to follow XDG Base Directory standard

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XDG Base Directory is a standard for locations for storing various
files. Nix has a few files which seem to fit in the standard, but
currently use a custom location directly in the user's ~, polluting
it:

- ~/.nix-profile
- ~/.nix-defexpr
- ~/.nix-channels

This commit adds a config option (use-xdg-base-directories) to follow
the XDG spec and instead use the following locations:

- $XDG_STATE_HOME/nix/profile
- $XDG_STATE_HOME/nix/defexpr
- $XDG_STATE_HOME/nix/channels

If $XDG_STATE_HOME is not set, it is assumed to be ~/.local/state.

Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com>
Co-authored-by: Tim Fenney <kodekata@gmail.com>
Co-authored-by: pasqui23 <pasqui23@users.noreply.github.com>
Co-authored-by: Artturin <Artturin@artturin.com>
Co-authored-by: John Ericson <Ericson2314@Yahoo.com>
This commit is contained in:
Alexander Bantyev 2021-11-17 23:35:21 +03:00
parent a31d7d4e5e
commit 2384d36083
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GPG key ID: E081FF12ADCB4AD5
16 changed files with 153 additions and 20 deletions
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4
src/nix-channel/nix-channel.cc
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@ -164,8 +164,8 @@ static int main_nix_channel(int argc, char ** argv)
{
// Figure out the name of the `.nix-channels' file to use
auto home = getHome();
channelsList = home + "/.nix-channels";
nixDefExpr = home + "/.nix-defexpr";
channelsList = settings.useXDGBaseDirectories ? createNixStateDir() + "/channels" : home + "/.nix-channels";
nixDefExpr = settings.useXDGBaseDirectories ? createNixStateDir() + "/defexpr" : home + "/.nix-defexpr";
// Figure out the name of the channels profile.
profile = profilesDir() + "/channels";