103 lines
2.7 KiB
Nix
103 lines
2.7 KiB
Nix
{ config, lib, ... }:
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let
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homeModules = config.flake.modules.homeManager;
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in
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{
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flake.modules.homeManager.source-control =
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{
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config,
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lib,
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...
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}:
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let
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host = config.meta.host;
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user = config.meta.user;
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sourceControl = user.sourceControl;
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hostSourceControlUsers = host.sourceControl.users;
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hostUserSourceControl = hostSourceControlUsers.${user.name} or { };
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scopeEmails = scope: lib.filter (email: email.scope == scope) (builtins.attrValues user.emails);
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emailForScope =
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scope:
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let
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emails = scopeEmails scope;
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in
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if builtins.length emails == 1 then (builtins.head emails).address else null;
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scopeConfig = scope: hostUserSourceControl.${scope} or null;
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scopeHasSigningKey =
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scope:
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let
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keyConfig = scopeConfig scope;
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in
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keyConfig != null && keyConfig.publicKey != null;
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privateKeyPathForScope =
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scope:
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let
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keyConfig = scopeConfig scope;
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in
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if keyConfig == null || keyConfig.privateKeyPath == null then
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"~/.ssh/id_${scope}"
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else
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keyConfig.privateKeyPath;
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publicKeyForScope =
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scope:
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let
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keyConfig = scopeConfig scope;
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in
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if keyConfig == null then null else keyConfig.publicKey;
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scopesInUse = lib.unique ([
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"personal"
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sourceControl.projectScope
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]);
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allowedSignersLines = map (scope: "${emailForScope scope} ${publicKeyForScope scope}") (
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builtins.filter (scope: emailForScope scope != null && scopeHasSigningKey scope) scopesInUse
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);
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gitConfigForScope =
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scope:
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lib.recursiveUpdate
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{
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user = {
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name = user.realName;
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email = emailForScope scope;
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};
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}
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(
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lib.optionalAttrs (scopeHasSigningKey scope) {
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gpg.ssh.allowedSignersFile = "${config.xdg.configHome}/git/allowed_signers";
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user.signingKey = "${privateKeyPathForScope scope}.pub";
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}
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);
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gitRoots = [
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{
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root = user.nixosConfigurationPath;
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scope = "personal";
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}
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{
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root = config.xdg.userDirs.projects;
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scope = sourceControl.projectScope;
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}
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];
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in
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{
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imports = [ homeModules.git ];
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xdg.configFile."git/allowed_signers".text = lib.concatStringsSep "\n" (
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allowedSignersLines ++ [ "" ]
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);
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programs.git.includes = map (gitRoot: {
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condition = "gitdir:${gitRoot.root}/";
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contents = gitConfigForScope gitRoot.scope;
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}) gitRoots;
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};
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}
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