From cf26a62567b7fe78ae6f4e4fa2701228535f5ce5 Mon Sep 17 00:00:00 2001
From: Seongmin Lee <git@boltless.me>
Date: Sat, 8 Aug 2026 21:14:51 +0300
Subject: [PATCH] nix: add gitmirror

Signed-off-by: Seongmin Lee <git@boltless.me>
---
 flake.nix                  |  7 +++++++
 nix/modules/knotmirror.nix | 32 +++++++++++++++++++++++++++++++-
 nix/pkgs/gitmirror.nix     | 20 ++++++++++++++++++++
 3 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 nix/pkgs/gitmirror.nix

diff --git a/flake.nix b/flake.nix
index a6334055..31808078 100644
--- a/flake.nix
+++ b/flake.nix
@@ -127,6 +127,7 @@
                 ./shuttle
                 ./bobbin
                 ./knot2
+                ./gitmirror
               ]);
           };
         buildGoApplication =
@@ -188,6 +189,9 @@
         dolly = self.callPackage ./nix/pkgs/dolly.nix {};
         tap = self.callPackage ./nix/pkgs/tap.nix {};
         knotmirror = self.callPackage ./nix/pkgs/knotmirror.nix {};
+        gitmirror = self.callPackage ./nix/pkgs/gitmirror.nix {
+          src = self.rustSrc;
+        };
         bobbin = self.callPackage ./nix/pkgs/bobbin.nix {};
         zoekt-webserver = self.callPackage ./nix/pkgs/zoekt-webserver.nix {};
         zoekt-tngl-indexserver = self.callPackage ./nix/pkgs/zoekt-tngl-indexserver.nix {};
@@ -216,6 +220,7 @@
         dolly
         tap
         knotmirror
+        gitmirror
         bobbin
         zoekt-webserver
         zoekt-tngl-indexserver
@@ -258,6 +263,7 @@
         dolly
         tap
         knotmirror
+        gitmirror
         bobbin
         zoekt-webserver
         zoekt-tngl-indexserver
@@ -689,6 +695,7 @@
 
       services.tangled.knotmirror.tap-package = lib.mkDefault self.packages.${pkgs.stdenv.hostPlatform.system}.tap;
       services.tangled.knotmirror.package = lib.mkDefault self.packages.${pkgs.stdenv.hostPlatform.system}.knotmirror;
+      services.tangled.knotmirror.v2.package = lib.mkDefault self.packages.${pkgs.stdenv.hostPlatform.system}.gitmirror;
     };
     nixosModules.zoekt-tnglserver = {
       lib,
diff --git a/nix/modules/knotmirror.nix b/nix/modules/knotmirror.nix
index 7f5ef0eb..c8441e26 100644
--- a/nix/modules/knotmirror.nix
+++ b/nix/modules/knotmirror.nix
@@ -11,7 +11,7 @@ in
       enable = mkOption {
         type = types.bool;
         default = false;
-        description = "Enable a tangled knot";
+        description = "Enable a tangled knotmirror";
       };
 
       package = mkOption {
@@ -19,6 +19,19 @@ in
         description = "Package to use for the knotmirror";
       };
 
+      v2 = {
+        package = mkOption {
+          type = types.package;
+          description = "Package to use for the knotmirror/v2";
+        };
+
+        listenAddr = mkOption {
+          type = types.str;
+          default = "127.0.0.1:9001";
+          description = "Address to listen on";
+        };
+      };
+
       tap-package = mkOption {
         type = types.package;
         description = "tap package to use for the knotmirror";
@@ -165,10 +178,27 @@ in
             "MIRROR_ADMIN_LISTEN=${cfg.adminListenAddr}"
             "MIRROR_SLURPER_CONCURRENCY=4"
             "MIRROR_SEARCH_ZOEKT_URL=${cfg.zoektUrl}"
+            "MIRROR_V2_HOST=http://${cfg.v2.listenAddr}"
           ];
           ExecStart = "${getExe cfg.package} serve";
           Restart = "always";
         };
       };
+
+      systemd.services.gitmirror = {
+        description = "gitmirror service";
+        after = ["network.target" "knotmirror.service"];
+        wantedBy = ["multi-user.target"];
+        serviceConfig = {
+          LogsDirectory = "gitmirror";
+          StateDirectory = "gitmirror";
+          Environment = [
+            "GITMIRROR_ADDR=${cfg.v2.listenAddr}"
+            "GITMIRROR_REPO_BASE=/var/lib/knotmirror/repos"
+          ];
+          ExecStart = "${getExe cfg.v2.package} serve";
+          Restart = "always";
+        };
+      };
     };
   }
diff --git a/nix/pkgs/gitmirror.nix b/nix/pkgs/gitmirror.nix
new file mode 100644
index 00000000..275ad9bf
--- /dev/null
+++ b/nix/pkgs/gitmirror.nix
@@ -0,0 +1,20 @@
+{
+  rustPlatform,
+  src,
+  ...
+}: let
+  flags = ["--bin" "gitmirror" "-p" "gitmirror"];
+in
+  rustPlatform.buildRustPackage {
+    pname = "gitmirror";
+    version = "0.0.1";
+
+    inherit src;
+
+    doCheck = false;
+
+    cargoLock.lockFile = "${src}/Cargo.lock";
+
+    cargoBuildFlags = flags;
+    cargoTestFlags = flags;
+  }
-- 
2.51.2