2 files changed, 105 insertions, 0 deletions
diff --git a/system/services/default.nix b/system/services/default.nix
index 99b8fb6..5c9b6bf 100644
--- a/system/services/default.nix
+++ b/system/services/default.nix
@@ -9,5 +9,6 @@
     ./opensshd
     ./rust-motd
     ./fail2ban
+    ./git-sync
   ];
 }
diff --git a/system/services/git-sync/default.nix b/system/services/git-sync/default.nix
new file mode 100644
index 0000000..776ca60
--- /dev/null
+++ b/system/services/git-sync/default.nix
@@ -0,0 +1,104 @@
+/*
+Taken from:
+https://github.com/nix-community/home-manager/blob/9ba7b3990eb1f4782ea3f5fe7ac4f3c88dd7a32c/modules/services/git-sync.nix
+*/
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  cfg = config.services.git-sync;
+
+  mkUnit = name: repo: {
+    Unit.Description = "Git Sync ${name}";
+
+    Install.WantedBy = ["default.target"];
+
+    Service = {
+      Environment = [
+        "PATH=${lib.makeBinPath (with pkgs; [openssh git])}"
+        "GIT_SYNC_DIRECTORY=${repo.path}"
+        "GIT_SYNC_COMMAND=${cfg.package}/bin/git-sync"
+        "GIT_SYNC_REPOSITORY=${repo.uri}"
+        "GIT_SYNC_INTERVAL=${toString repo.interval}"
+      ];
+      ExecStart = "${cfg.package}/bin/git-sync-on-inotify";
+      Restart = "on-abort";
+    };
+  };
+
+  services =
+    lib.mapAttrs' (name: repo: {
+      name = "git-sync-${name}";
+      value = mkUnit name repo;
+    })
+    cfg.repositories;
+
+  repositoryType = lib.types.submodule ({name, ...}: {
+    options = {
+      name = lib.mkOption {
+        internal = true;
+        default = name;
+        type = lib.types.str;
+        description = "The name that should be given to this unit.";
+      };
+
+      path = lib.mkOption {
+        type = lib.types.path;
+        description = "The path at which to sync the repository";
+      };
+
+      uri = lib.mkOption {
+        type = lib.types.str;
+        example = "git+ssh://user@example.com:/~[user]/path/to/repo.git";
+        description = ''
+          The URI of the remote to be synchronized. This is only used in the
+          event that the directory does not already exist. See
+          <link xlink:href="https://git-scm.com/docs/git-clone#_git_urls"/>
+          for the supported URIs.
+        '';
+      };
+
+      interval = lib.mkOption {
+        type = lib.types.int;
+        default = 500;
+        description = ''
+          The interval, specified in seconds, at which the synchronization will
+          be triggered even without filesystem changes.
+        '';
+      };
+    };
+  });
+in {
+  options = {
+    services.git-sync = {
+      enable = lib.mkEnableOption "git-sync services";
+
+      package = lib.mkOption {
+        type = lib.types.package;
+        default = pkgs.git-sync;
+        defaultText = lib.literalExpression "pkgs.git-sync";
+        description = ''
+          Package containing the <command>git-sync</command> program.
+        '';
+      };
+
+      repositories = lib.mkOption {
+        type = with lib.types; attrsOf repositoryType;
+        description = ''
+          The repositories that should be synchronized.
+        '';
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    assertions = [
+      (lib.hm.assertions.assertPlatform "services.git-sync" pkgs
+        lib.platforms.linux)
+    ];
+
+    systemd.user.services = services;
+  };
+}