add completions for clippy lint in attributes

Signed-off-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>

Author: bnjjj

Cargo.lock

@@ -20,5 +20,5 @@ walkdir = "2.3.1"
 write-json =  "0.1.0"
 fs-err = "2.3"
 serde = { version = "1.0", features = ["derive"] }
-attohttpc = { version = "0.15.0", default-features = false, features = ["compress", "json"]}
+serde_json = "1.0"
 # Avoid adding more dependencies to this crate

crates/ide/src/completion/generated_lint_completions.rs

@@ -1,6 +1,7 @@
 //! Generates descriptors structure for unstable feature from Unstable Book
 use std::{
     collections::HashMap,
+    fs::File,
     path::{Path, PathBuf},
 };
 
@@ -20,8 +21,9 @@ pub fn generate_lint_completions(mode: Mode) -> Result<()> {
     }
 
     let ts_features = generate_descriptor("./target/rust/src/doc/unstable-book/src".into())?;
-    let ts_clippy =
-        generate_descriptor_clippy("http://rust-lang.github.io/rust-clippy/master/lints.json")?;
+    run!("curl http://rust-lang.github.io/rust-clippy/master/lints.json --output ./target/clippy_lints.json")?;
+
+    let ts_clippy = generate_descriptor_clippy("./target/clippy_lints.json")?;
     let ts = quote! {
         use crate::completion::complete_attribute::LintCompletion;
         #ts_features
@@ -70,7 +72,8 @@ struct ClippyLint {
 }
 
 fn generate_descriptor_clippy(uri: &str) -> Result<proc_macro2::TokenStream> {
-    let clippy_lints: Vec<ClippyLint> = attohttpc::get(uri).send()?.json()?;
+    let file = File::open(uri)?;
+    let clippy_lints: Vec<ClippyLint> = serde_json::from_reader(file)?;
     let definitions = clippy_lints.into_iter().map(|mut clippy_lint| {
         let lint_ident = format!("clippy::{}", clippy_lint.id);
         let doc = clippy_lint.docs.remove("What it does").unwrap_or_default();