From 8166ef1bd1148fab8e13bcdb148206e6e57c14bf Mon Sep 17 00:00:00 2001
From: soraefir <soraefir+git@helcel>
Date: Mon, 8 Jun 2026 23:10:13 +0200
Subject: [PATCH] debug print

---
 modules/server/containers/apps/favicon.nix | 41 ++++++++++++----------
 1 file changed, 22 insertions(+), 19 deletions(-)

diff --git a/modules/server/containers/apps/favicon.nix b/modules/server/containers/apps/favicon.nix
index 52704e1..904651b 100644
--- a/modules/server/containers/apps/favicon.nix
+++ b/modules/server/containers/apps/favicon.nix
@@ -8,7 +8,6 @@ let
   priority = toString (containerCfg.extra.priority or 2147482647);
   logoSvgFileName = builtins.baseNameOf (toString mediaCfg.logo.svg);
   logoSvgMount = "/assets/${logoSvgFileName}";
-  borderRadius = toString (containerCfg.extra.borderRadius or 16);
   ensureAttrSet = field: value:
     if builtins.isAttrs value then
       value
@@ -73,7 +72,7 @@ let
     from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
 
     import cairosvg
-    from PIL import Image, ImageDraw
+    from PIL import Image
 
     LOGO_PATH = ${builtins.toJSON logoSvgMount}
     LISTEN_HOST = "0.0.0.0"
@@ -114,10 +113,15 @@ let
         return candidates
 
     def _profile_for_host(host):
-        for candidate in _host_candidates(host):
+        candidates = _host_candidates(host)
+        print(f"favicon-profile host={host!r} candidates={candidates!r} mappings={list(MAPPINGS.keys())!r}")
+        for candidate in candidates:
             profile = MAPPINGS.get(candidate)
+            print(f"favicon-profile-check candidate={candidate!r} hit={profile is not None}")
             if profile:
+                print(f"favicon-profile-match candidate={candidate!r} profile={profile!r}")
                 return candidate, profile
+        print(f"favicon-profile-default host={host!r} default={DEFAULT_PROFILE!r}")
         return None, DEFAULT_PROFILE
 
     def _replace_logo_fill(svg, color):
@@ -128,11 +132,6 @@ let
             flags=re.IGNORECASE,
         )
 
-    border_radius = str(${builtins.toJSON borderRadius}).strip()
-    if not border_radius.endswith("px"):
-        border_radius = f"{border_radius}px"
-    border_radius_px = max(0, int(float(border_radius[:-2])))
-
     def _colors(profile):
         profile = profile or {}
         return {
@@ -140,26 +139,30 @@ let
             "fg": profile.get("fg") or profile.get("foreground") or DEFAULT_COLORS["fg"],
         }
 
+    def _add_background(svg, color):
+        return re.sub(
+            r"(<svg\\b[^>]*>)",
+            rf'\\1<circle cx="64" cy="64" r="64" fill="{color}"/>',
+            svg,
+            count=1,
+            flags=re.IGNORECASE,
+        )
+
     def _render_icon(colors):
         svg = LOGO_BYTES.decode("utf-8")
         svg = _replace_logo_fill(svg, colors["fg"])
-        print(f"favicon-render fg={colors['fg']} bg={colors['bg']}")
+        svg = _add_background(svg, colors["bg"])
+        print(f"favicon-render fg={colors['fg']} bg={colors['bg']} mode=svg2png")
 
-        logo_png = cairosvg.svg2png(
+        png = cairosvg.svg2png(
             bytestring=svg.encode("utf-8"),
             output_width=ASSET_SIZE,
             output_height=ASSET_SIZE,
         )
         output = BytesIO()
-        with Image.new("RGBA", (ASSET_SIZE, ASSET_SIZE), (0, 0, 0, 0)) as canvas:
-            ImageDraw.Draw(canvas).rounded_rectangle(
-                (0, 0, ASSET_SIZE, ASSET_SIZE),
-                radius=min(border_radius_px, ASSET_SIZE // 2),
-                fill=colors["bg"],
-            )
-            with Image.open(BytesIO(logo_png)) as logo:
-                canvas.alpha_composite(logo.convert("RGBA"))
-            canvas.save(output, format="ICO", sizes=[(ASSET_SIZE, ASSET_SIZE)])
+        with Image.open(BytesIO(png)) as image:
+            with image.convert("RGBA") as rgba:
+                rgba.save(output, format="ICO", sizes=[(ASSET_SIZE, ASSET_SIZE)])
         return output.getvalue()
 
     class Handler(BaseHTTPRequestHandler):