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rustdoc: auto create output directory when "--output-format json" #93099

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Jan 21, 2022
Merged

rustdoc: auto create output directory when "--output-format json" #93099

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12 changes: 8 additions & 4 deletions src/librustdoc/json/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
mod conversions;

use std::cell::RefCell;
use std::fs::File;
use std::fs::{create_dir_all, File};
use std::path::PathBuf;
use std::rc::Rc;

Expand All @@ -18,13 +18,14 @@ use rustc_session::Session;

use rustdoc_json_types as types;

use crate::clean;
use crate::clean::types::{ExternalCrate, ExternalLocation};
use crate::config::RenderOptions;
use crate::docfs::PathError;
use crate::error::Error;
use crate::formats::cache::Cache;
use crate::formats::FormatRenderer;
use crate::json::conversions::{from_item_id, IntoWithTcx};
use crate::{clean, try_err};

#[derive(Clone)]
crate struct JsonRenderer<'tcx> {
Expand Down Expand Up @@ -256,10 +257,13 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> {
.collect(),
format_version: types::FORMAT_VERSION,
};
let mut p = self.out_path.clone();
let out_dir = self.out_path.clone();
try_err!(create_dir_all(&out_dir), out_dir);

let mut p = out_dir;
p.push(output.index.get(&output.root).unwrap().name.clone().unwrap());
p.set_extension("json");
let file = File::create(&p).map_err(|error| Error { error: error.to_string(), file: p })?;
let file = try_err!(File::create(&p), p);
serde_json::ser::to_writer(&file, &output).unwrap();
Ok(())
}
Expand Down