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fix(notfiles): atomic state file writes via temp-file + rename

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Closes #17
This commit is contained in:
Joseph O'Brien
2026-04-11 23:51:43 -04:00
parent bdc6582aea
commit 822abd9c88
1 changed files with 5 additions and 1 deletions
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6
crates/notfiles/src/linker.rs
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@@ -39,9 +39,13 @@ impl State {
pub fn save(&self, dotfiles_dir: &Path) -> Result<(), NotfilesError> { pub fn save(&self, dotfiles_dir: &Path) -> Result<(), NotfilesError> {
let path = dotfiles_dir.join(STATE_FILE); let path = dotfiles_dir.join(STATE_FILE);
let tmp_path = dotfiles_dir.join(format!("{STATE_FILE}.tmp"));
let content = toml::to_string_pretty(self) let content = toml::to_string_pretty(self)
.map_err(|e| NotfilesError::State(format!("serializing state: {e}")))?; .map_err(|e| NotfilesError::State(format!("serializing state: {e}")))?;
fs::write(&path, content)?; fs::write(&tmp_path, content)
.map_err(|e| NotfilesError::State(format!("writing temp state: {e}")))?;
fs::rename(&tmp_path, &path)
.map_err(|e| NotfilesError::State(format!("renaming temp state: {e}")))?;
Ok(()) Ok(())
} }