Revert "remove nin"

This reverts commit 6b08d5aa46adc80d8a1ab4ed1d3e320c61a19f01.

1 files changed, 60 insertions, 0 deletions

diff --git a/nin/2configs/git.nix b/nin/2configs/git.nix
new file mode 100644
index 000000000..aed4a9f48
--- /dev/null
+++ b/nin/2configs/git.nix
@@ -0,0 +1,60 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+
+let
+
+  out = {
+    services.nginx.enable = true;
+    krebs.git = {
+      enable = true;
+      cgit = {
+        settings = {
+          root-title = "public repositories at ${config.krebs.build.host.name}";
+          root-desc = "keep calm and engage";
+        };
+      };
+      repos = mapAttrs (_: s: removeAttrs s ["collaborators"]) repos;
+      rules = rules;
+    };
+
+    krebs.iptables.tables.filter.INPUT.rules = [
+      { predicate = "-i retiolum -p tcp --dport 80"; target = "ACCEPT"; }
+    ];
+  };
+
+  repos = public-repos;
+
+  rules = concatMap make-rules (attrValues repos);
+
+  public-repos = mapAttrs make-public-repo {
+    stockholm = {
+      cgit.desc = "take all the computers hostage, they'll love you!";
+    };
+  };
+
+  make-public-repo = name: { cgit ? {}, ... }: {
+    inherit cgit name;
+    public = true;
+  };
+
+  make-rules =
+    with git // config.krebs.users;
+    repo:
+      singleton {
+        user = [ nin nin_h ];
+        repo = [ repo ];
+        perm = push "refs/*" [ non-fast-forward create delete merge ];
+      } ++
+      optional repo.public {
+        user = attrValues config.krebs.users;
+        repo = [ repo ];
+        perm = fetch;
+      } ++
+      optional (length (repo.collaborators or []) > 0) {
+        user = repo.collaborators;
+        repo = [ repo ];
+        perm = fetch;
+      };
+
+in out