mirror of
https://github.com/jj-vcs/jj.git
synced 2026-07-07 17:45:22 +08:00
5aa7b4cf7e
This is a simple computation over the JSON structure of the schema, so it doesn’t need pulling in another programming language and a dependency on an external C program to interpret it.
47 lines
1.9 KiB
Rust
47 lines
1.9 KiB
Rust
// Copyright 2025 The Jujutsu Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
/// Produce a synthetic JSON document containing a default config according to
|
|
/// the schema.
|
|
///
|
|
/// # Limitations
|
|
/// Defaults in `"additionalProperties"` are ignored, as are those in
|
|
/// `"definitions"` nodes (which might be referenced by `"$ref"`).
|
|
pub fn default_config_from_schema() -> serde_json::Value {
|
|
fn visit(schema: &serde_json::Value) -> Option<serde_json::Value> {
|
|
let schema = schema.as_object().expect("schemas to be objects");
|
|
if let Some(default) = schema.get("default") {
|
|
Some(default.clone())
|
|
} else if let Some(properties) = schema.get("properties") {
|
|
let prop_defaults: serde_json::Map<_, _> = properties
|
|
.as_object()
|
|
.expect("`properties` to be an object")
|
|
.iter()
|
|
.filter_map(|(prop_name, prop_schema)| {
|
|
visit(prop_schema).map(|prop_default| (prop_name.clone(), prop_default))
|
|
})
|
|
.collect();
|
|
(!prop_defaults.is_empty()).then_some(serde_json::Value::Object(prop_defaults))
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
visit(
|
|
&serde_json::from_str(include_str!("../../src/config-schema.json"))
|
|
.expect("`config-schema.json` to be valid JSON"),
|
|
)
|
|
.expect("some settings to have defaults")
|
|
}
|