ci: download mc from weaselab mirror

Reviewed-on: #72

.gitea/workflows/ci.yml

@@ -12,7 +12,15 @@ jobs:
         run: pipx install pre-commit
 
       - name: Run pre-commit
-        run: ~/.local/bin/pre-commit run --all-files --show-diff-on-failure
+        # `pipx install` writes the app to PIPX_BIN_DIR, which is not
+        # necessarily ~/.local/bin and not necessarily on PATH, so don't
+        # hardcode a path that only some runner images happen to use.
+        run: |
+          if command -v pre-commit >/dev/null 2>&1; then
+            pre-commit run --all-files --show-diff-on-failure
+          else
+            pipx run pre-commit run --all-files --show-diff-on-failure
+          fi
 
   build:
     strategy:
@@ -76,7 +84,7 @@ jobs:
             echo "MinIO credentials not configured; skipping upload"
             exit 0
           fi
-          curl -Ls "https://dl.min.io/client/mc/release/linux-$(dpkg --print-architecture)/mc" \
+          curl -fLs "https://minio.weaselab.dev/public/$(uname -m)/mc.RELEASE.2025-08-13T08-35-41Z" \
             -o /tmp/mc && chmod +x /tmp/mc
           dest="minio/jenkins/weaseljson/${{ gitea.run_number }}/${{ matrix.name }}/"
           /tmp/mc cp build/*.deb "$dest"

src/parser3.h

@@ -167,10 +167,10 @@ struct Parser3 {
   }
 
   // Push tokenizer progress symbols for a literal or escape that straddles a
-  // chunk boundary. These go in the reserve past `stackEnd`, so they don't
+  // chunk boundary. Unlike push(), these may grow past `stackEnd` into the
-  // spend the caller's nesting budget and can't make the parser overflow on
+  // reserve, so they don't spend the caller's nesting budget and can never make
-  // input it would have accepted in one piece. See kTransientSymbols for why
+  // the parser overflow on input it would have accepted in one piece. See
-  // the reserve is big enough to always succeed.
+  // kTransientSymbols for why the reserve is big enough to always succeed.
   [[nodiscard]] WeaselJsonStatus
   pushTransient(std::initializer_list<Symbol> symbols) {
     assert(ptrdiff_t(symbols.size()) <= kTransientSymbols);