🧹 Janitor: Refactor normalization checks to use is_canonical - #304
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Replaced duplicated logic for checking file normalization (comparing disk content to canonical generated content) in `commands_diagnostics.rs` and `commands_fix.rs` with a single, modular `is_canonical()` API on `TaskNode`. Co-authored-by: matta <37314+matta@users.noreply.github.com>
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request streamlines the process of verifying and fixing canonical task file content within the Highlights
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Code Review
This pull request refactors the logic for checking if task files are in their canonical format by introducing a new is_canonical method on TaskNode, which is subsequently used in the diagnostics and fix commands. Review feedback indicates that the is_ok_and usage in commands_fix.rs could silently ignore errors from is_canonical, which should instead be propagated to ensure proper error handling. Additionally, the is_canonical method currently re-reads files from disk, potentially causing a performance bottleneck, and suggests caching file content on TaskNode as a future optimization.
| if node.is_canonical().is_ok_and(|canonical| !canonical) { | ||
| modified = true; | ||
| } |
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Using is_ok_and here causes errors from node.is_canonical() to be silently ignored. If checking for canonical content fails (e.g., due to an I/O or serialization error), repair_node will incorrectly return Ok(false), suggesting no modification was needed and no error occurred. The error should be propagated up so the fix command fails, indicating that it couldn't complete the repair.
| if node.is_canonical().is_ok_and(|canonical| !canonical) { | |
| modified = true; | |
| } | |
| if !node.is_canonical()? { | |
| modified = true; | |
| } |
| pub fn is_canonical(&self) -> Result<bool> { | ||
| let disk_content = fs::read_to_string(&self.path)?; | ||
| let canonical_content = self.get_content_for_disk()?; | ||
| Ok(disk_content == canonical_content) | ||
| } |
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This is a great refactoring to centralize the canonical check. However, this implementation reads the file from disk via fs::read_to_string. Since the TaskNode is created by loading the graph, which involves reading the task files, this results in each file being read from disk a second time. This could be a performance bottleneck with a large number of tasks.
A more efficient approach would be to cache the raw file content on the TaskNode during the initial load. is_canonical could then perform the comparison without a redundant file I/O operation.
While implementing this would require changes in the file parsing logic outside of this function, it's a valuable future optimization to consider. For example:
// In TaskNode struct, you could add:
// pub raw_content: String,
// Then is_canonical could be changed to:
pub fn is_canonical(&self) -> Result<bool> {
let canonical_content = self.get_content_for_disk()?;
Ok(self.raw_content == canonical_content)
}1 participant
📉 Diff:
+11 lines, -13 lines🎯 Goal: Common APIs (Factoring common logic into modular APIs)
💡 Before: Both
pebble checkandpebble check --fixcommands manually read the file from disk (fs::read_to_string), manually generated the canonical content (get_content_for_disk), and manually compared them to determine if a formatting error or extra newline existed.✨ After: A single cohesive
is_canonical()method is introduced onTaskNode. Both commands simply callnode.is_canonical().is_ok_and(|canonical| !canonical)to determine if normalization is needed, short-circuiting errors automatically.✅ Verification:
just checkandjust testpass correctly. Code has been reviewed and passes.PR created automatically by Jules for task 11351538777178646300 started by @matta