Remove .codegen.json logic

This was only used to tell us which `openapi.json` was used to generate each file. But new we use 'lib-openapi.json' that is in webhooks

Author: svix-mman

src/main.rs

@@ -60,10 +60,6 @@ struct GenerateFlags {
     /// Write api.ron and types.ron files, as a debugging aid.
     #[clap(long)]
     debug: bool,
-
-    /// Write `.codegen.json` file
-    #[clap(long)]
-    write_codegen_metadata: bool,
 }
 
 fn main() -> anyhow::Result<()> {
@@ -78,16 +74,12 @@ fn main() -> anyhow::Result<()> {
     } = args.command;
 
     let spec = fs::read_to_string(&input_file)?;
-    let input_sha256sum = util::sha256sum_string(&spec);
 
     let spec: OpenApi = serde_json::from_str(&spec).context("failed to parse OpenAPI spec")?;
 
     match &output_dir {
         Some(path) => {
             analyze_and_generate(spec, template.into(), path, flags)?;
-            if flags.write_codegen_metadata {
-                write_codegen_metadata(input_sha256sum, path)?;
-            }
         }
         None => {
             let output_dir_root = PathBuf::from("out");
@@ -110,9 +102,6 @@ fn main() -> anyhow::Result<()> {
                 .try_into()
                 .context("non-UTF8 tempdir path")?;
             analyze_and_generate(spec, template.into(), path, flags)?;
-            if flags.write_codegen_metadata {
-                write_codegen_metadata(input_sha256sum, path)?;
-            }
             // Persist the TempDir if everything was successful
             _ = output_dir.into_path();
         }
@@ -148,20 +137,6 @@ fn analyze_and_generate(
     Ok(())
 }
 
-fn write_codegen_metadata(input_sha256sum: String, output_dir: &Utf8Path) -> anyhow::Result<()> {
-    let metadata_path = output_dir.join(".codegen.json");
-    let current_timestamp = chrono::Utc::now().to_rfc3339();
-    let codegen_metadata = serde_json::json!({
-        "openapi-codegen-version": env!("CARGO_PKG_VERSION"),
-        "openapi.json-sha256": input_sha256sum,
-        "git-rev": env!("VERGEN_GIT_SHA"),
-        "file-generated-at": current_timestamp,
-    });
-    let encoded_metadata = serde_json::to_vec_pretty(&codegen_metadata)?;
-    std::fs::write(metadata_path, &encoded_metadata)?;
-    Ok(())
-}
-
 fn get_webhooks(spec: &OpenApi) -> Vec<String> {
     let empty_obj = serde_json::json!({});
     let empty_obj = empty_obj.as_object().unwrap();

src/util.rs

@@ -1,4 +1,3 @@
-use sha2::{Digest, Sha256};
 use std::collections::BTreeMap;
 
 use serde::ser::{Serialize, SerializeSeq as _, Serializer};
@@ -29,10 +28,3 @@ where
     }
     seq.end()
 }
-
-pub(crate) fn sha256sum_string(s: &str) -> String {
-    let mut hasher = Sha256::new();
-    hasher.update(s.as_bytes());
-    let hash = hasher.finalize();
-    format!("{hash:x}")
-}