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programs.git: fix assertion message inconsistency

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Léana 江 2026-01-29 23:20:09 +01:00 • committed by Austin Horstman
parent 6c79e409a5
commit 715e6d7f89
1 changed files with 37 additions and 15 deletions
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46
modules/programs/git.nix
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@ -332,21 +332,43 @@ in
home.packages = lib.optionals (cfg.package != null) [ cfg.package ];
assertions = [
{
assertion =
(
let
enabled = [
(config.programs.delta.enable && config.programs.delta.enableGitIntegration)
(config.programs.diff-highlight.enable && config.programs.diff-highlight.enableGitIntegration)
(config.programs.diff-so-fancy.enable && config.programs.diff-so-fancy.enableGitIntegration)
(config.programs.difftastic.enable && config.programs.difftastic.git.enable)
(config.programs.patdiff.enable && config.programs.patdiff.enableGitIntegration)
(config.programs.riff.enable && config.programs.riff.enableGitIntegration)
configOf =
{
name,
gitIntegrationOption ? [ "enableGitIntegration" ],
}:
{
name = "programs.${name}.${lib.concatStringsSep "." gitIntegrationOption}";
value =
config.programs.${name}.enable && lib.getAttrFromPath gitIntegrationOption config.programs.${name};
};
enabled = builtins.filter (x: x.value) (
map configOf [
{ name = "delta"; }
{ name = "diff-highlight"; }
{ name = "diff-so-fancy"; }
{
name = "difftastic";
gitIntegrationOption = [
"git"
"enable"
];
in
lib.count lib.id enabled <= 1;
message = "Only one of 'programs.git.delta.enable' or 'programs.git.difftastic.enable' or 'programs.git.diff-so-fancy.enable' or 'programs.git.diff-highlight' or 'programs.git.patdiff' can be set to true at the same time.";
}
{ name = "patdiff"; }
{ name = "riff"; }
]
);
in
{
assertion = lib.length enabled <= 1;
message = ''
Only one of the following options can be enabled at a time.
- ${lib.concatStringsSep "\n - " (map (x: "`${x.name}'") enabled)}
'';
}
)
];
xdg.configFile = {