CI - Do some basic checks that crates are publishable

.github/workflows/ci.yml

@@ -219,6 +219,30 @@ jobs:
       - name: Run bindgen tests
         run: cargo test -p spacetimedb-cli
 
+  publish_checks:
+    name: Check that packages are publishable
+    runs-on: ubuntu-latest
+    permissions: read-all
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python env
+        run: |
+          test -d venv || python3 -m venv venv
+          venv/bin/pip3 install argparse toml
+      - name: Run checks
+        run: |
+          FAILED=0
+          # This definition of ROOTS and invocation of find-publish-list.py is copied from publish-crates.sh
+          ROOTS=(bindings sdk cli standalone)
+          for crate in $(venv/bin/python3 tools/find-publish-list.py --recursive --quiet "${ROOTS[@]}"); do
+            if ! venv/bin/python3 tools/crate-publish-checks.py "crates/$crate"; then
+              FAILED=$(( $FAILED + 1 ))
+            fi
+          done
+          if [ $FAILED -gt 0 ]; then
+            exit 1
+          fi
+
   update:
     name: Test spacetimedb-update flow
     permissions: read-all

crates/core/Cargo.toml

@@ -132,7 +132,7 @@ perfmap = []
 [dev-dependencies]
 spacetimedb-lib = { path = "../lib", features = ["proptest"] }
 spacetimedb-sats = { path = "../sats", features = ["proptest"] }
-spacetimedb-commitlog = { workspace = true, features = ["test"] }
+spacetimedb-commitlog = { path = "../commitlog", features = ["test"] }
 
 criterion.workspace = true
 # Also as dev-dependencies for use in _this_ crate's tests.

crates/expr/Cargo.toml

@@ -20,5 +20,5 @@ spacetimedb-sql-parser.workspace = true
 
 [dev-dependencies]
 pretty_assertions.workspace = true
-spacetimedb = { workspace = true, features = ["unstable"] }
-spacetimedb-lib.workspace = true
+spacetimedb = { path = "../bindings", features = ["unstable"] }
+spacetimedb-lib = { path = "../lib" }

crates/lib/Cargo.toml

@@ -48,7 +48,7 @@ proptest = { workspace = true, optional = true }
 proptest-derive = { workspace = true, optional = true }
 
 [dev-dependencies]
-spacetimedb-sats = { workspace = true, features = ["test"] }
+spacetimedb-sats = { path = "../sats", features = ["test"] }
 bytes.workspace = true
 serde_json.workspace = true
 insta.workspace = true

crates/schema/Cargo.toml

@@ -31,10 +31,10 @@ enum-as-inner.workspace = true
 enum-map.workspace = true
 
 [dev-dependencies]
-spacetimedb-lib = { workspace = true, features = ["test"] }
+spacetimedb-lib = { path = "../lib", features = ["test"] }
 # these are circular dependencies, but only in tests, so it's fine
 spacetimedb-testing = { path = "../testing" }
-spacetimedb-cli.workspace = true
+spacetimedb-cli = { path = "../cli" }
 
 proptest.workspace = true
 serial_test.workspace = true

crates/snapshot/Cargo.toml

@@ -28,8 +28,8 @@ tokio-util = { workspace = true, features = ["io"] }
 zstd-framed.workspace = true
 
 [dev-dependencies]
-spacetimedb-core = { workspace = true, features = ["test"] }
-spacetimedb-schema.workspace = true
+spacetimedb-core = { path = "../core", features = ["test"] }
+spacetimedb-schema = { path = "../schema" }
 
 anyhow.workspace = true
 env_logger.workspace = true

crates/table/Cargo.toml

@@ -50,8 +50,8 @@ proptest = { workspace = true, optional = true }
 proptest-derive = { workspace = true, optional = true }
 
 [dev-dependencies]
-spacetimedb-schema = { workspace = true, features = ["test"] }
-spacetimedb-sats = { workspace = true, features = ["proptest"] }
+spacetimedb-schema = { path = "../schema", features = ["test"] }
+spacetimedb-sats = { path = "../sats", features = ["proptest"] }
 criterion.workspace = true
 proptest.workspace = true
 proptest-derive.workspace = true

tools/crate-publish-checks.py

@@ -0,0 +1,72 @@
+import toml
+import argparse
+import sys
+from pathlib import Path
+
+def find_non_path_spacetimedb_deps(dev_deps):
+    non_path_spacetimedb = []
+    for name, details in dev_deps.items():
+        if not name.startswith("spacetimedb"):
+            continue
+
+        if isinstance(details, dict):
+            if "path" not in details:
+                non_path_spacetimedb.append(name)
+        else:
+            # String dependency = version from crates.io
+            non_path_spacetimedb.append(name)
+    return non_path_spacetimedb
+
+def check_cargo_metadata(data):
+    package = data.get("package", {})
+    missing_fields = []
+
+    # Accept either license OR license-file
+    if "license" not in package and "license-file" not in package:
+        missing_fields.append("license/license-file")
+
+    if "description" not in package:
+        missing_fields.append("description")
+
+    return missing_fields
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Check Cargo.toml for metadata and dev-dependencies.")
+    parser.add_argument("directory", help="Directory to search for Cargo.toml")
+
+    args = parser.parse_args()
+    cargo_toml_path = Path(args.directory) / "Cargo.toml"
+
+    try:
+        if not cargo_toml_path.exists():
+            raise FileNotFoundError(f"{cargo_toml_path} not found.")
+
+        data = toml.load(cargo_toml_path)
+
+        # Check dev-dependencies
+        dev_deps = data.get("dev-dependencies", {})
+        bad_deps = find_non_path_spacetimedb_deps(dev_deps)
+
+        # Check license/license-file and description
+        missing_fields = check_cargo_metadata(data)
+
+        exit_code = 0
+
+        if bad_deps:
+            print(f"❌ These dev-dependencies in {cargo_toml_path} must be converted to use `path` in order to not impede crate publishing:")
+            for dep in bad_deps:
+                print(f"  - {dep}")
+            exit_code = 1
+
+        if missing_fields:
+            print(f"❌ Missing required fields in [package] of {cargo_toml_path}: {', '.join(missing_fields)}")
+            exit_code = 1
+
+        if exit_code == 0:
+            print(f"✅ {cargo_toml_path} passed all checks.")
+
+        sys.exit(exit_code)
+
+    except Exception as e:
+        print(f"⚠️ Error: {e}")
+        sys.exit(2)