nix: hyperhive-the-movie app (gource history movie), replaces gource.sh

flake.nix

@@ -69,6 +69,16 @@
         }
       );
 
+      apps = forAllSystems (
+        { system, ... }:
+        {
+          hyperhive-the-movie = {
+            type = "app";
+            program = "${self.packages.${system}.hyperhive-the-movie}/bin/hyperhive-the-movie";
+          };
+        }
+      );
+
       nixosModules =
         let
           # Package wiring for agent containers — the harness modules

nix/packages/default.nix

@@ -149,6 +149,11 @@ in
 }
 // binPkgs
 // {
+  # `nix run .#hyperhive-the-movie`: gource over the cwd repo's history.
+  hyperhive-the-movie = pkgs.callPackage ./hyperhive-the-movie.nix {
+    logo = ../../branding/hyperhive.png;
+  };
+
   # Swarm-level controller daemon. Deliberately NOT in `daemonBins`:
   # that list is the core stack — the binaries hive-c0re and the agent
   # harness are made of — and it drives the `default` bundle that

nix/packages/hyperhive-the-movie.nix

@@ -0,0 +1,82 @@
+# `nix run .#hyperhive-the-movie` — gource visualisation of the git
+# history of the repo it is run from. `-- --record` renders
+# gource-hyperhive.mp4 in the cwd instead of opening a window.
+{
+  lib,
+  writeShellApplication,
+  gource,
+  ffmpeg,
+  xvfb-run,
+  librsvg,
+  curl,
+  git,
+  coreutils,
+  gnugrep,
+  logo,
+}:
+writeShellApplication {
+  name = "hyperhive-the-movie";
+  runtimeInputs = [
+    gource
+    ffmpeg
+    xvfb-run
+    librsvg
+    curl
+    git
+    coreutils
+    gnugrep
+  ];
+  text = ''
+    record=false
+    [[ "''${1:-}" == "--record" ]] && record=true
+
+    cd "$(git rev-parse --show-toplevel)"
+
+    # Per-agent avatars from the local forge (same icons the dashboard
+    # uses), rasterised because --user-image-dir needs png. Cached.
+    # müde is the human operator: no forge icon.
+    avatar_dir="''${XDG_CACHE_HOME:-$HOME/.cache}/hyperhive-the-movie/avatars"
+    mkdir -p "$avatar_dir"
+    while IFS= read -r author; do
+      [[ "$author" == "müde" || -f "$avatar_dir/$author.png" ]] && continue
+      svg="$avatar_dir/$author.svg"
+      curl -sSf "http://localhost/agent/$author/icon" -o "$svg" 2>/dev/null || rm -f "$svg"
+      # unknown agents get a 200 html fallback page, not a 404
+      if [[ -f "$svg" ]]; then
+        if head -c 200 "$svg" | grep -qi '<svg'; then
+          rsvg-convert -w 256 -h 256 "$svg" -o "$avatar_dir/$author.png"
+        fi
+        rm -f "$svg"
+      fi
+    done < <(git log --format='%an' | sort -u)
+
+    # Catppuccin Mocha, as in frontend/packages/shared/src/colors.css.
+    args=(
+      -s 1 -1280x720 --auto-skip-seconds 1 --multi-sampling --stop-at-end
+      --background-colour 1e1e2e --font-colour cdd6f4
+      --highlight-colour f9e2af --highlight-users --highlight-dirs
+      --filename-colour 585b70 --dir-colour 89b4fa
+      --bloom-multiplier 1.5 --bloom-intensity 0.75 --elasticity 0.3
+      --title hyperhive
+      --logo ${logo} --logo-offset 20x20
+      --user-image-dir "$avatar_dir"
+      --key
+    )
+
+    if $record; then
+      xvfb-run -a --server-args="-screen 0 1280x720x24" \
+        gource "''${args[@]}" --output-ppm-stream - --output-framerate 30 \
+        | ffmpeg -y -r 30 -f image2pipe -vcodec ppm -i - \
+          -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" \
+          -vcodec libx264 -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf 0 \
+          gource-hyperhive.mp4
+    else
+      gource "''${args[@]}"
+    fi
+  '';
+  meta = {
+    description = "gource movie of the hyperhive git history";
+    mainProgram = "hyperhive-the-movie";
+    platforms = lib.platforms.linux;
+  };
+}