fix: pin ryujinx to its Gitea mirror

Gitea answers /raw/commit with an HTML proof-of-work page, so
Forgejo-family files are fetched through the API raw route.

emulators/ryujinx.yml

@@ -3,38 +3,38 @@ type: standalone
 source: "https://git.ngram.ca/mirrors/Ryujinx"
 upstream: "https://github.com/Ryujinx/Ryujinx"
 profiled_date: "2026-03-26"
-core_version: "1.1.1403"
+source_commit: "7d158acc3b5826a08941d6e8d50d3a3897021bcd"
+core_version: "1.1.1402"
 display_name: "Ryujinx (Nintendo Switch)"
 cores:
   - ryujinx
 systems: [nintendo-switch]
 analysis_date: "2026-03-26"
-analysis_commit: "HEAD (depth=1, ngram.ca mirror)"
 mode: standalone
 
-# Key files are read from {BaseDirPath}/system/ (AppDataManager.cs:229)
-# Also searched in ~/.switch/ (AppDataManager.cs:47)
-# Batocera copies bios/switch/prod.keys to Ryujinx/system/prod.keys (ryujinxGenerator.py:108)
-# Firmware NCAs are installed via UI (ContentManager.cs:429), not placed as files
+# Key files are read from {BaseDirPath}/system/ (src/Ryujinx.Common/Configuration/AppDataManager.cs:229)
+# Also searched in ~/.switch/ (src/Ryujinx.Common/Configuration/AppDataManager.cs:47)
+# Batocera copied bios/switch/prod.keys to Ryujinx/system/prod.keys (batocera ryujinxGenerator.py:108 at 1f69a46e) until it dropped the package in ee8a418f
+# Firmware NCAs are installed via UI (src/Ryujinx.HLE/FileSystem/ContentManager.cs:429), not placed as files
 
 files:
   - name: "prod.keys"
     required: true
     path: "switch/prod.keys"
     note: "Switch production keys for NCA decryption"
-    source_ref: "src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs:239"
+    source_ref: "src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs:238"
 
   - name: "title.keys"
     required: false
     path: "switch/title.keys"
     note: "Per-title decryption keys, needed for specific game content"
-    source_ref: "src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs:240"
+    source_ref: "src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs:239"
 
   - name: "console.keys"
     required: false
     path: "switch/console.keys"
     note: "Console-specific keys for encrypted content"
-    source_ref: "src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs:241"
+    source_ref: "src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs:240"
 
 notes: |
   Ryujinx is a standalone Nintendo Switch emulator written in C#, created by gdkchan.

scripts/find_pinned_revision.py

@@ -62,7 +62,7 @@ def find_revision(
     """The newest revision whose copy of the path has this md5, and its bytes."""
     wanted = md5.lower()
     for sha in path_history(repo, path, cache_dir):
-        data = upstream._fetch(upstream.raw_url(repo, sha, path))
+        data = upstream._fetch(upstream.content_url(repo, sha, path))
         if data is not None and hashlib.md5(data).hexdigest() == wanted:
             return sha, data
     return None

scripts/upstream.py

@@ -51,6 +51,13 @@ _HOSTS: dict[str, tuple[str, str, str]] = {
         "https://codeberg.org/api/v1",
         "https://codeberg.org",
     ),
+    # The Ryujinx repository left GitHub in October 2024; this Gitea pull
+    # mirror kept its history up to 1.1.1402.
+    "git.ngram.ca": (
+        "forgejo",
+        "https://git.ngram.ca/api/v1",
+        "https://git.ngram.ca",
+    ),
     "git.citron-emu.org": (
         "forgejo",
         "https://git.citron-emu.org/api/v1",
@@ -180,6 +187,20 @@ def raw_url(repo: Repo, sha: str, path: str) -> str:
     return f"{repo.raw_base}/{repo.owner}/{repo.name}/raw/commit/{sha}/{quoted}"
 
 
+def content_url(repo: Repo, sha: str, path: str) -> str:
+    """URL the tooling fetches one path from.
+
+    Forgejo and Gitea hosts put their web routes, /raw/commit included,
+    behind a proof-of-work page (git.ngram.ca answers 200 with an HTML
+    challenge); the API raw route is not challenged. raw_url stays the
+    link a reader opens.
+    """
+    if repo.family != "forgejo":
+        return raw_url(repo, sha, path)
+    quoted = urllib.parse.quote(path)
+    return f"{repo.api_base}/repos/{repo.owner}/{repo.name}/raw/{quoted}?ref={sha}"
+
+
 def _headers(url: str, accept_json: bool = False) -> dict[str, str]:
     """Request headers. GITHUB_TOKEN is only ever sent to GitHub."""
     headers = {"User-Agent": USER_AGENT}
@@ -336,7 +357,7 @@ def fetch_file(
         return None if text == ABSENT else text.splitlines()
     if offline:
         raise NotCachedError(f"{repo.slug}@{sha[:8]}:{path} is not in the offline cache")
-    text = _http_text(raw_url(repo, sha, path))
+    text = _http_text(content_url(repo, sha, path))
     write_cache(target, ABSENT if text is None else text)
     return None if text is None else text.splitlines()
 

tests/test_upstream.py

@@ -115,6 +115,21 @@ class TestRawUrl(unittest.TestCase):
             "https://codeberg.org/g/p/raw/commit/abc123/a.c",
         )
 
+    def test_forgejo_fetches_through_the_api(self):
+        # git.ngram.ca serves an HTML proof-of-work page on /raw/commit,
+        # which fetch_file would have cached as the file's lines.
+        import upstream
+
+        repo = parse_repo("https://git.ngram.ca/mirrors/Ryujinx")
+        self.assertEqual(
+            upstream.content_url(repo, "abc123", "src/a b.cs"),
+            "https://git.ngram.ca/api/v1/repos/mirrors/Ryujinx/raw/src/a%20b.cs?ref=abc123",
+        )
+        github = parse_repo("https://github.com/o/n")
+        self.assertEqual(
+            upstream.content_url(github, "s", "a.c"), raw_url(github, "s", "a.c")
+        )
+
     def test_path_is_quoted(self):
         repo = parse_repo("https://github.com/o/n")
         self.assertIn("src/a%20b.cpp", raw_url(repo, "s", "src/a b.cpp"))