From b5bdd9aed4530924bca3d515eedeed215cfd64c2 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 03:11:26 +0200
Subject: krebs.git.cgit :: { bool => submodule { enable :: bool } }

---
 krebs/3modules/git.nix | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index d2d73ba3..542f1f38 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -13,7 +13,7 @@ let
   out = {
     options.krebs.git = api;
     config = with lib; mkIf cfg.enable (mkMerge [
-      (mkIf cfg.cgit cgit-imp)
+      (mkIf cfg.cgit.enable cgit-imp)
       git-imp
     ]);
   };
@@ -22,10 +22,13 @@ let
     enable = mkEnableOption "krebs.git";
 
     cgit = mkOption {
-      type = types.bool;
-      default = true;
+      type = types.submodule {
+        options = {
+          enable = mkEnableOption "krebs.git.cgit" // { default = true; };
+        };
+      };
+      default = {};
       description = ''
-          Enable cgit.
           Cgit is an attempt to create a fast web interface for the git version
           control system, using a built in cache to decrease pressure on the
           git server.
-- 
cgit v1.2.3


From 4a34b27c1c6c3fea2b336c0316c597d74460b428 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 03:14:21 +0200
Subject: krebs.git.cgit: make `cache-root` configurable

... along with all the other stuff :)
---
 krebs/3modules/git.nix | 191 ++++++++++++++++++++++++++++++++-----------------
 1 file changed, 125 insertions(+), 66 deletions(-)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index 542f1f38..d1ab2ce6 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -25,6 +25,11 @@ let
       type = types.submodule {
         options = {
           enable = mkEnableOption "krebs.git.cgit" // { default = true; };
+          settings = mkOption {
+            apply = flip removeAttrs ["_module"];
+            default = {};
+            type = subtypes.cgit-settings;
+          };
         };
       };
       default = {};
@@ -66,22 +71,6 @@ let
         Repositories.
       '';
     };
-    root-desc = mkOption {
-      type = types.nullOr types.str;
-      default = null;
-      description = ''
-        Text printed below the heading on the repository index page.
-        Default value: "a fast webinterface for the git dscm".
-      '';
-    };
-    root-title = mkOption {
-      type = types.nullOr types.str;
-      default = null;
-      description = ''
-        Text printed as heading on the repository index page.
-        Default value: "Git Repository Browser".
-      '';
-    };
     rules = mkOption {
       type = types.listOf subtypes.rule;
       default = [];
@@ -102,8 +91,101 @@ let
 
   # TODO put into krebs/4lib/types.nix?
   subtypes = {
-    repo = types.submodule ({
+    cgit-settings = types.submodule {
+      # A setting's value of `null` means cgit's default should be used.
+      options = {
+        cache-root = mkOption {
+          type = types.absolute-pathname;
+          default = "/tmp/cgit";
+        };
+        cache-size = mkOption {
+          type = types.uint;
+          default = 1000;
+        };
+        css = mkOption {
+          type = types.absolute-pathname;
+          default = "/static/cgit.css";
+        };
+        enable-commit-graph = mkOption {
+          type = types.bool;
+          default = true;
+        };
+        enable-index-links = mkOption {
+          type = types.bool;
+          default = true;
+        };
+        enable-index-owner = mkOption {
+          type = types.bool;
+          default = false;
+        };
+        enable-log-filecount = mkOption {
+          type = types.bool;
+          default = true;
+        };
+        enable-log-linecount = mkOption {
+          type = types.bool;
+          default = true;
+        };
+        enable-remote-branches = mkOption {
+          type = types.bool;
+          default = true;
+        };
+        logo = mkOption {
+          type = types.absolute-pathname;
+          default = "/static/cgit.png";
+        };
+        max-stats = mkOption {
+          type =
+            types.nullOr (types.enum ["week" "month" "quarter" "year"]);
+          default = "year";
+        };
+        robots = mkOption {
+          type = types.nullOr (types.listOf types.str);
+          default = ["nofollow" "noindex"];
+        };
+        root-desc = mkOption {
+          type = types.nullOr types.str;
+          default = null;
+        };
+        root-title = mkOption {
+          type = types.nullOr types.str;
+          default = null;
+        };
+      };
+    };
+    repo = types.submodule ({ config, ... }: {
       options = {
+        cgit = {
+          desc = mkOption {
+            type = types.nullOr types.str;
+            default = null;
+            description = ''
+              Repository description.
+            '';
+          };
+          path = mkOption {
+            type = types.str;
+            default = "${cfg.dataDir}/${config.name}";
+            description = ''
+              An absolute path to the repository directory. For non-bare
+              repositories this is the .git-directory.
+            '';
+          };
+          section = mkOption {
+            type = types.nullOr types.str;
+            default = null;
+            description = ''
+              Repository section.
+            '';
+          };
+          url = mkOption {
+            type = types.str;
+            default = config.name;
+            description = ''
+              The relative url used to access the repository.
+            '';
+          };
+        };
         collaborators = mkOption {
           type = types.listOf types.user;
           default = [];
@@ -115,20 +197,6 @@ let
             an example.
           '';
         };
-        desc = mkOption {
-          type = types.nullOr types.str;
-          default = null;
-          description = ''
-            Repository description.
-          '';
-        };
-        section = mkOption {
-          type = types.nullOr types.str;
-          default = null;
-          description = ''
-            Repository section.
-          '';
-        };
         name = mkOption {
           type = types.str;
           description = ''
@@ -266,43 +334,34 @@ let
       # socketType = "unix" (default)
     };
 
-    environment.etc."cgitrc".text = ''
-      css=/static/cgit.css
-      logo=/static/cgit.png
-
-      # if you do not want that webcrawler (like google) index your site
-      robots=noindex, nofollow
-
-      virtual-root=/
-
-      # TODO make this nicer (and/or somewhere else)
-      cache-root=/tmp/cgit
-
-      cache-size=1000
-      enable-commit-graph=1
-      enable-index-links=1
-      enable-index-owner=0
-      enable-log-filecount=1
-      enable-log-linecount=1
-      enable-remote-branches=1
-
-      ${optionalString (cfg.root-title != null) "root-title=${cfg.root-title}"}
-      ${optionalString (cfg.root-desc != null) "root-desc=${cfg.root-desc}"}
-
-      snapshots=0
-      max-stats=year
-
-      ${concatMapStringsSep "\n" (repo: ''
-        repo.url=${repo.name}
-        repo.path=${cfg.dataDir}/${repo.name}
-        ${optionalString (repo.section != null) "repo.section=${repo.section}"}
-        ${optionalString (repo.desc != null) "repo.desc=${repo.desc}"}
-      '') (filter isPublicRepo (attrValues cfg.repos))}
-    '';
+    environment.etc."cgitrc".text = let
+      repo-to-cgitrc = _: repo:
+        optionals (isPublicRepo repo) (concatLists [
+          [""] # empty line
+          [(kv-to-cgitrc "repo.url" repo.cgit.url)]
+          (mapAttrsToList kv-to-cgitrc
+            (mapAttrs' (k: nameValuePair "repo.${k}")
+              (removeAttrs repo.cgit ["url"])))
+        ]);
+
+      kv-to-cgitrc = k: v: getAttr (typeOf v) {
+        bool = kv-to-cgitrc k (if v then 1 else 0);
+        null = []; # This will be removed by `flatten`.
+        list = "${k}=${concatStringsSep ", " v}";
+        int = "${k}=${toString v}";
+        string = "${k}=${v}";
+      };
+    in
+      concatStringsSep "\n"
+        (flatten (
+          mapAttrsToList kv-to-cgitrc cfg.cgit.settings
+          ++
+          mapAttrsToList repo-to-cgitrc cfg.repos
+        ));
 
     system.activationScripts.cgit = ''
-      mkdir -m 0700 -p /tmp/cgit
-      chown ${toString fcgitwrap-user.uid}:${toString fcgitwrap-group.gid} /tmp/cgit
+      mkdir -m 0700 -p ${cfg.cgit.settings.cache-root}
+      chown ${toString fcgitwrap-user.uid}:${toString fcgitwrap-group.gid} ${cfg.cgit.settings.cache-root}
     '';
 
     krebs.nginx = {
-- 
cgit v1.2.3


From c655e1246daa04abc4cd83dbb62b86dda1d357d4 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 22:41:40 +0200
Subject: krebs.git: s/ensureList/toList/

---
 krebs/3modules/git.nix | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index d1ab2ce6..9bc56fc8 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -290,15 +290,15 @@ let
     environment.etc."${etc-base}".source =
       scriptFarm "git-ssh-authorizers" {
         authorize-command = makeAuthorizeScript (map (rule: [
-          (map getName (ensureList rule.user))
-          (map getName (ensureList rule.repo))
+          (map getName (toList rule.user))
+          (map getName (toList rule.repo))
           (map getName rule.perm.allow-commands)
         ]) cfg.rules);
 
         authorize-push = makeAuthorizeScript (map (rule: [
-          (map getName (ensureList rule.user))
-          (map getName (ensureList rule.repo))
-          (ensureList rule.perm.allow-receive-ref)
+          (map getName (toList rule.user))
+          (map getName (toList rule.repo))
+          (toList rule.perm.allow-receive-ref)
           (map getName rule.perm.allow-receive-modes)
         ]) (filter (rule: rule.perm.allow-receive-ref != null) cfg.rules));
       };
@@ -400,10 +400,6 @@ let
     gid = fcgitwrap-user.uid;
   };
 
-
-  ensureList = x:
-    if typeOf x == "list" then x else [x];
-
   getName = x: x.name;
 
   isPublicRepo = getAttr "public"; # TODO this is also in ./cgit.nix
@@ -428,7 +424,7 @@ let
   makeAuthorizeScript =
     let
       # TODO escape
-      to-pattern = x: concatStringsSep "|" (ensureList x);
+      to-pattern = x: concatStringsSep "|" (toList x);
       go = i: ps:
         if ps == []
           then "exit 0"
-- 
cgit v1.2.3


From a3644a38a5f8af779d7db64cdaa6468240ae37d3 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 22:49:26 +0200
Subject: krebs.git: make user configurable

---
 krebs/3modules/git.nix | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index 9bc56fc8..aabf4614 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -87,6 +87,14 @@ let
         access and permission rules for git repositories.
       '';
     };
+
+    user = mkOption {
+      type = types.user;
+      default = {
+        name = "git";
+        home = "/var/lib/git";
+      };
+    };
   };
 
   # TODO put into krebs/4lib/types.nix?
@@ -303,16 +311,15 @@ let
         ]) (filter (rule: rule.perm.allow-receive-ref != null) cfg.rules));
       };
 
-    # TODO cfg.user
-    users.users.git = rec {
+    users.users.${cfg.user.name} = {
+      inherit (cfg.user) home name uid;
+      createHome = true;
       description = "Git repository hosting user";
-      name = "git";
       shell = "/bin/sh";
       openssh.authorizedKeys.keys =
         mapAttrsToList (_: makeAuthorizedKey git-ssh-command)
                        (filterAttrs (_: user: isString user.pubkey)
                                     config.krebs.users);
-      uid = genid name;
     };
   };
 
-- 
cgit v1.2.3


From 922389ef205825163eb5b4e606b82a65deaa05c2 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 23:02:37 +0200
Subject: krebs.git.cgit.fcgiwrap: make user configurable

---
 krebs/3modules/git.nix | 47 ++++++++++++++++++++++++++---------------------
 1 file changed, 26 insertions(+), 21 deletions(-)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index aabf4614..0d12155f 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -25,6 +25,21 @@ let
       type = types.submodule {
         options = {
           enable = mkEnableOption "krebs.git.cgit" // { default = true; };
+          fcgiwrap = {
+            group = mkOption {
+              type = types.group;
+              default = {
+                name = "fcgiwrap";
+              };
+            };
+            user = mkOption {
+              type = types.user;
+              default = {
+                name = "fcgiwrap";
+                home = toString pkgs.empty;
+              };
+            };
+          };
           settings = mkOption {
             apply = flip removeAttrs ["_module"];
             default = {};
@@ -324,19 +339,20 @@ let
   };
 
   cgit-imp = {
-    users.extraUsers = lib.singleton {
-      inherit (fcgitwrap-user) group name uid;
-      home = toString (pkgs.runCommand "empty" {} "mkdir -p $out");
-    };
-
-    users.extraGroups = lib.singleton {
-      inherit (fcgitwrap-group) gid name;
+    users = {
+      groups.${cfg.cgit.fcgiwrap.group.name} = {
+        inherit (cfg.cgit.fcgiwrap.group) name gid;
+      };
+      users.${cfg.cgit.fcgiwrap.user.name} = {
+        inherit (cfg.cgit.fcgiwrap.user) home name uid;
+        group = cfg.cgit.fcgiwrap.group.name;
+      };
     };
 
     services.fcgiwrap = {
       enable = true;
-      user = fcgitwrap-user.name;
-      group = fcgitwrap-user.group;
+      user = cfg.cgit.fcgiwrap.user.name;
+      group = cfg.cgit.fcgiwrap.group.name;
       # socketAddress = "/run/fcgiwrap.sock" (default)
       # socketType = "unix" (default)
     };
@@ -368,7 +384,7 @@ let
 
     system.activationScripts.cgit = ''
       mkdir -m 0700 -p ${cfg.cgit.settings.cache-root}
-      chown ${toString fcgitwrap-user.uid}:${toString fcgitwrap-group.gid} ${cfg.cgit.settings.cache-root}
+      chown ${toString cfg.cgit.fcgiwrap.user.uid}:${toString cfg.cgit.fcgiwrap.group.gid} ${cfg.cgit.settings.cache-root}
     '';
 
     krebs.nginx = {
@@ -396,17 +412,6 @@ let
     };
   };
 
-  fcgitwrap-user = rec {
-    name = "fcgiwrap";
-    uid = genid name;
-    group = "fcgiwrap";
-  };
-
-  fcgitwrap-group = {
-    name = fcgitwrap-user.name;
-    gid = fcgitwrap-user.uid;
-  };
-
   getName = x: x.name;
 
   isPublicRepo = getAttr "public"; # TODO this is also in ./cgit.nix
-- 
cgit v1.2.3


From c8b0a57549ce2d340d7e513a33683e26fb5e7ddb Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 23:08:55 +0200
Subject: krebs.git.cgit: add server name for cgit.*.r

---
 krebs/3modules/git.nix | 1 +
 1 file changed, 1 insertion(+)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index 0d12155f..357674a6 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -392,6 +392,7 @@ let
       servers.cgit = {
         server-names = [
           "cgit.${config.networking.hostName}"
+          "cgit.${config.networking.hostName}.r"
           "cgit.${config.networking.hostName}.retiolum"
         ];
         locations = [
-- 
cgit v1.2.3


From 567800c98e7f17ead15aa99f388d4a91c2f58653 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 23:23:06 +0200
Subject: krebs.git.cgit.settings.virtual-root: init

---
 krebs/3modules/git.nix | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index 357674a6..4fec3857 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -174,6 +174,10 @@ let
           type = types.nullOr types.str;
           default = null;
         };
+        virtual-root = mkOption {
+          type = types.nullOr types.absolute-pathname;
+          default = "/";
+        };
       };
     };
     repo = types.submodule ({ config, ... }: {
-- 
cgit v1.2.3


From a431e036e335d688aa8e59e039dd86fa1eefdc2a Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 23:32:28 +0200
Subject: krebs.git: move assert to etcDir's type

---
 krebs/3modules/git.nix | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index 4fec3857..db0b6b0a 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -63,7 +63,11 @@ let
       description = "Directory used to store repositories.";
     };
     etcDir = mkOption {
-      type = types.str;
+      type = mkOptionType {
+        name = "${types.absolute-pathname.name} starting with `/etc/'";
+        check = x: types.absolute-pathname.check x && hasPrefix "/etc/" x;
+        merge = mergeOneOption;
+      };
       default = "/etc/git";
     };
     repos = mkOption {
@@ -314,7 +318,7 @@ let
     system.activationScripts.git-init = "${init-script}";
 
     # TODO maybe put all scripts here and then use PATH?
-    environment.etc."${etc-base}".source =
+    environment.etc.${removePrefix "/etc/" cfg.etcDir}.source =
       scriptFarm "git-ssh-authorizers" {
         authorize-command = makeAuthorizeScript (map (rule: [
           (map getName (toList rule.user))
@@ -642,9 +646,5 @@ let
     '';
   };
 
-  etc-base =
-    assert (hasPrefix "/etc/" cfg.etcDir);
-    removePrefix "/etc/" cfg.etcDir;
-
 in
 out
-- 
cgit v1.2.3


From b419d6cd365cda3202dcce5925bd99e973ba535e Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Jun 2016 23:38:33 +0200
Subject: krebs.git.user.home: /var/lib/git -> pkgs.empty

---
 krebs/3modules/git.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index db0b6b0a..0f5e3172 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -111,7 +111,7 @@ let
       type = types.user;
       default = {
         name = "git";
-        home = "/var/lib/git";
+        home = toString pkgs.empty;
       };
     };
   };
@@ -336,7 +336,6 @@ let
 
     users.users.${cfg.user.name} = {
       inherit (cfg.user) home name uid;
-      createHome = true;
       description = "Git repository hosting user";
       shell = "/bin/sh";
       openssh.authorizedKeys.keys =
-- 
cgit v1.2.3