From: Felipe Correa da Silva Sanches <juca@members.fsf.org>
Date: Wed, 25 Mar 2026 14:37:24 +0000 (+0000)
Subject: spinnaker: add source metadata from googlefontdirectory-hg
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58d95612a50a286dca1b13287c7d3212de2daa82;p=thirdparty%2Fgoogle%2Ffonts.git

spinnaker: add source metadata from googlefontdirectory-hg

Repo: https://github.com/googlefonts/googlefontdirectory-hg
Commit: 52f780bc9d197280a9f430574e179a5f233c56b6
source block added to METADATA.pb

Assisted by an AI agent (Claude Opus 4.6)
---

diff --git a/ofl/spinnaker/METADATA.pb b/ofl/spinnaker/METADATA.pb
index 1244e00eb..2faf4c916 100644
--- a/ofl/spinnaker/METADATA.pb
+++ b/ofl/spinnaker/METADATA.pb
@@ -17,3 +17,7 @@ subsets: "latin"
 subsets: "latin-ext"
 stroke: "SANS_SERIF"
 classifications: "DISPLAY"
+source {
+  repository_url: "https://github.com/googlefonts/googlefontdirectory-hg"
+  commit: "52f780bc9d197280a9f430574e179a5f233c56b6"
+}
diff --git a/ofl/spinnaker/upstream_info.md b/ofl/spinnaker/upstream_info.md
index d30d3d1a6..594976836 100644
--- a/ofl/spinnaker/upstream_info.md
+++ b/ofl/spinnaker/upstream_info.md
@@ -1,13 +1,26 @@
-# Spinnaker — Upstream Investigation
+# Spinnaker -- Upstream Source Investigation
 
 **Model**: Claude Opus 4.6
-**Date**: 2026-03-12
-**Investigator**: AI agent (Claude) under guidance of @felipesanches
 
-## Summary
+## Source Repository
 
-No canonical upstream repository with UFO or Glyphs source files was found for
-Spinnaker.
+Design sources were found in the **googlefontdirectory-hg** archive (Google Font Directory, Mercurial-era).
+
+- **Repository**: googlefontdirectory-hg
+- **Commit**: `52f780bc9d197280a9f430574e179a5f233c56b6`
+- **Source path**: `spinnaker/src/`
+
+## Source Files
+
+The source directory contains: 1 VFB file (FontLab, proprietary format); 1 SFD file (FontForge format); 1 compiled binary (OTF/TTF, not design sources).
+
+Neither VFB (FontLab, proprietary) nor SFD (FontForge) formats are supported by gftools-builder. These sources are **not directly buildable** with the current open-source pipeline.
+
+### Key source files
+
+- `Spinnaker-Regular-OTF.vfb` (VFB, proprietary)
+- `Spinnaker-Regular-TTF.sfd` (SFD, FontForge)
+- `Spinnaker-Regular.otf` (compiled binary)
 
 ## Research
 
@@ -20,11 +33,6 @@ No GitHub repository was found for Spinnaker under SorkinType, Elena Albertoni,
 or related names. The SorkinType GitHub organization did not include a
 Spinnaker repository among its public repos.
 
-## Decision
-
-No `source` block was added to `METADATA.pb`. The referenced source location
-(Google Code) was no longer accessible, and no alternative repository with
-open editable source files was found.
 
 ## Notes