feat(tente): make cgit render README.md files for reposHEADmaster

I already had this before migrating to Nix and lost this in the migration.

1 files changed, 13 insertions, 0 deletions

diff --git a/nixos/hosts/tente/git.nix b/nixos/hosts/tente/git.nix
index c5c6478..49ecff0 100644
--- a/nixos/hosts/tente/git.nix
+++ b/nixos/hosts/tente/git.nix
@@ -47,6 +47,19 @@ in
           enable-git-config = 1;
           root-title = "push-f.com repositories";
           root-desc = "My various repositories.";
+          readme = ":README.md";
+          about-filter =
+            # about-formatting.sh from cgit uses python-markdown which doesn't
+            # follow CommonMark, so we're using the lowdown parser instead.
+            let
+              # The about-filter is invoked with stdin but also with the filename
+              # as argv[1] so we wrap lowdown in a script to ignore the argument.
+              formatScript = pkgs.writeScriptBin "about-format.sh" ''
+                #!/bin/sh
+                ${pkgs.lowdown}/bin/lowdown
+              '';
+            in
+            "${formatScript}/bin/about-format.sh";
           enable-index-owner = 0;
           source-filter = "${pkgs.cgit}/lib/cgit/filters/syntax-highlighting.py";
           clone-prefix = "https://${cfg.webUiDomain}";