1 files changed, 51 insertions, 0 deletions
diff --git a/nix/git.nix b/nix/git.nix
new file mode 100644
index 0000000..4b3b493
--- /dev/null
+++ b/nix/git.nix
@@ -0,0 +1,51 @@
+{config, pkgs, ...}: let
+  domain = "git.kassouni.net";
+  repoRoot = "/srv/git";
+in {
+  users.users.git = {
+    isSystemUser = true;
+    group = "git";
+    home = repoRoot;
+    createHome = true;
+    homeMode = "750"; 
+    shell = "${pkgs.git}/bin/git-shell";
+    openssh.authorizedKeys.keys = config.my.gitKeys;
+  };
+  users.groups.git = { };
+
+  environment.systemPackages = [ pkgs.git ];
+
+  services.openssh.extraConfig = ''
+    Match user git
+      AllowTcpForwarding no
+      AllowAgentForwarding no
+      PermitTTY no
+  '';
+
+  services.cgit.${domain} = {
+    enable = true;
+    scanPath = repoRoot;
+    group = "git"; # so cgit can traverse a non-world-readable repoRoot
+    gitHttpBackend.checkExportOkFiles = true;
+    settings = {
+      strict-export = "git-daemon-export-ok";
+      remove-suffix = true;
+      readme = [ ":README.md" ":README" ":readme.md" ];
+      clone-url = "git@${domain}:$CGIT_REPO_URL https://${domain}/$CGIT_REPO_URL";
+      source-filter = "${pkgs.cgit}/lib/cgit/filters/syntax-highlighting.py";
+      about-filter = "${pkgs.cgit}/lib/cgit/filters/about-formatting.sh";
+    };
+  };
+
+  services.nginx.virtualHosts.${domain} = {
+    forceSSL = true;
+    enableACME = true;
+  };
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = "alex@kassouni.net";
+  };
+
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+}