fix: truncate auth.json file before rewriting it (openai#1231)

bolinfest · web-flow · commit 77b017f67dc3 · 2025-06-05T22:11:02.000-07:00
This was missed in openai#1212. Caught by @rizwankce in openai#1174 (reply in thread).
diff --git a/codex-rs/login/src/lib.rs b/codex-rs/login/src/lib.rs
@@ -75,7 +75,7 @@ pub async fn try_read_openai_api_key(codex_home: &Path) -> std::io::Result<Strin
         auth_dot_json.last_refresh = Utc::now();
 
         let mut options = OpenOptions::new();
-        options.write(true).create(true);
+        options.truncate(true).write(true).create(true);
         #[cfg(unix)]
         {
             options.mode(0o600);

Original file line number	Diff line number	Diff line change
`@@ -75,7 +75,7 @@ pub async fn try_read_openai_api_key(codex_home: &Path) -> std::io::Result<Strin`
`75`	`75`	`auth_dot_json.last_refresh = Utc::now();`
`76`	`76`
`77`	`77`	`let mut options = OpenOptions::new();`
`78`		`- options.write(true).create(true);`
	`78`	`+ options.truncate(true).write(true).create(true);`
`79`	`79`	`#[cfg(unix)]`
`80`	`80`	`{`
`81`	`81`	`options.mode(0o600);`