WIP feat: create sqlx.toml format

Cargo.toml

@@ -48,7 +48,7 @@ authors.workspace = true
 repository.workspace = true
 
 [package.metadata.docs.rs]
-features = ["all-databases", "_unstable-all-types"]
+features = ["all-databases", "_unstable-all-types", "_unstable-doc"]
 rustdoc-args = ["--cfg", "docsrs"]
 
 [features]
@@ -58,9 +58,9 @@ derive = ["sqlx-macros/derive"]
 macros = ["derive", "sqlx-macros/macros"]
 migrate = ["sqlx-core/migrate", "sqlx-macros?/migrate", "sqlx-mysql?/migrate", "sqlx-postgres?/migrate", "sqlx-sqlite?/migrate"]
 
-# Enable parsing of `sqlx.toml` for configuring macros, migrations, or both
-config-macros = ["sqlx-core/config-macros"]
-config-migrate = ["sqlx-core/config-migrate"]
+# Enable parsing of `sqlx.toml` for configuring macros, migrations, or both.
+config-macros = ["sqlx-macros?/config-macros"]
+config-migrate = ["sqlx-macros?/config-migrate"]
 config-all = ["config-macros", "config-migrate"]
 
 # intended mainly for CI and docs
@@ -76,6 +76,8 @@ _unstable-all-types = [
     "uuid",
     "bit-vec",
 ]
+# Render documentation that wouldn't otherwise be shown (e.g. `sqlx_core::config`).
+_unstable-doc = ["config-all"]
 
 # Base runtime features without TLS
 runtime-async-std = ["_rt-async-std", "sqlx-core/_rt-async-std", "sqlx-macros?/_rt-async-std"]

sqlx-core/Cargo.toml

@@ -12,7 +12,7 @@ features = ["offline"]
 
 [features]
 default = []
-migrate = ["sha2", "crc"]
+migrate = ["sha2", "crc", "config-migrate"]
 
 any = []
 
@@ -28,9 +28,9 @@ _tls-none = []
 # support offline/decoupled building (enables serialization of `Describe`)
 offline = ["serde", "either/serde"]
 
-config-toml = ["serde", "toml/parse"]
-config-macros = ["config-toml"]
-config-migrate = ["config-toml"]
+config = ["serde", "toml/parse"]
+config-macros = ["config"]
+config-migrate = ["config"]
 
 [dependencies]
 # Runtimes