62 lines
1.5 KiB
Nix
62 lines
1.5 KiB
Nix
{ lib, pkgs, inputs, config, ... }:
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let
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inherit (lib) concatStringsSep mkIf mkDefault mkAliasDefinitions;
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inherit (lib.my) mkOpt mkBoolOpt;
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cfg = config.my.tmproot;
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showUnsaved =
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''
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#!${pkgs.python310}/bin/python
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import stat
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import sys
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import os
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ignored = [
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${concatStringsSep ",\n " (map (p: "'${p}'") cfg.ignoreUnsaved)}
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]
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base = '/'
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base_dev = os.stat(base).st_dev
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def recurse(p, link=None):
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try:
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for ignore in ignored:
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if p.startswith(ignore):
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return
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st = os.lstat(p)
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if st.st_dev != base_dev:
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return
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if stat.S_ISLNK(st.st_mode):
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target = os.path.realpath(p, strict=False)
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if os.access(target, os.F_OK):
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recurse(target, link=p)
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return
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elif stat.S_ISDIR(st.st_mode):
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for e in os.listdir(p):
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recurse(os.path.join(p, e))
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return
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print(link or p)
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except PermissionError as ex:
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print(f'{p}: {ex.strerror}', file=sys.stderr)
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recurse(base)
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'';
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in {
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options.my.tmproot = with lib.types; {
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enable = mkBoolOpt true;
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ignoreUnsaved = mkOpt (listOf str) [
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"/tmp"
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];
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [
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(pkgs.writeScriptBin "tmproot-unsaved" showUnsaved)
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];
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};
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}
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