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bin(patch): Improve review hunk state handling
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@erak
erak committed Dec 19, 2024
1 parent a072302 commit 634abc6
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Showing 2 changed files with 55 additions and 51 deletions.
54 changes: 37 additions & 17 deletions bin/commands/patch/review.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
pub mod builder;

use std::fmt::Debug;
use std::path::PathBuf;
use std::sync::Arc;
use std::sync::Mutex;

Expand Down Expand Up @@ -30,6 +31,7 @@ use tui::ui::span;
use tui::ui::Column;
use tui::{Channel, Exit};

use crate::git::HunkDiff;
use crate::git::{HunkState, StatefulHunkDiff};
use crate::ui::format;
use crate::ui::items::HunkItem;
Expand Down Expand Up @@ -270,20 +272,40 @@ impl<'a> App<'a> {
let signer: &Box<dyn Signer> = &self.signer.lock().unwrap();

if let Some(selected) = self.selected_hunk_idx() {
let mut brain = Brain::load_or_new(self.patch, &self.revision, repo.raw(), signer)?;
let items = &self.hunks.lock().unwrap().items;
let mut brain = Brain::load_or_new(self.patch, &self.revision, repo.raw(), signer)?;

if let Some(item) = items.get(selected) {
let mut file: Option<FileReviewBuilder> = None;
let file = match file.as_mut() {
Some(fr) => fr.set_item(item.inner.hunk()),
None => file.insert(FileReviewBuilder::new(item.inner.hunk())),
let mut last_path: Option<&PathBuf> = None;
let mut file: Option<FileReviewBuilder> = None;

for (idx, item) in items.iter().enumerate() {
// Get file path.
let path = match item.inner.hunk() {
HunkDiff::Added { path, .. } => path,
HunkDiff::Deleted { path, .. } => path,
HunkDiff::Modified { path, .. } => path,
HunkDiff::Copied { copied } => &copied.new_path,
HunkDiff::Moved { moved } => &moved.new_path,
HunkDiff::EofChanged { path, .. } => path,
HunkDiff::ModeChanged { path, .. } => path,
};

log::info!("Accepting hunk ({:?})", item.inner.hunk());
// Set new review builder if hunk belongs to new file.
if last_path.is_none() || last_path.unwrap() != path {
last_path = Some(path);
file = Some(FileReviewBuilder::new(item.inner.hunk()));
}

if let Some(file) = file.as_mut() {
file.set_item(item.inner.hunk());

let diff = file.item_diff(item.inner.hunk())?;
brain.accept(diff, repo.raw())?;
if idx == selected {
let diff = file.item_diff(item.inner.hunk())?;
brain.accept(diff, repo.raw())?;
} else {
file.ignore_item(item.inner.hunk())
}
}
}
}

Expand Down Expand Up @@ -311,9 +333,9 @@ impl<'a> App<'a> {
let rejected_hunks =
Hunks::new(DiffUtil::new(&repo).rejected_diffs(&brain, &self.revision)?);

log::info!("Reloaded hunk states..");
log::info!("Rejected hunks: {:?}", rejected_hunks);
log::info!("Requested to reload hunks: {:?}", items);
log::debug!("Reloaded hunk states..");
log::debug!("Rejected hunks: {:?}", rejected_hunks);
log::debug!("Requested to reload hunks: {:?}", items);

for item in &mut *items {
let state = if rejected_hunks.contains(item.inner.hunk()) {
Expand All @@ -324,7 +346,7 @@ impl<'a> App<'a> {
*item.inner.state_mut() = state;
}

log::info!("Reloaded hunks: {:?}", items);
log::debug!("Reloaded hunks: {:?}", items);

Ok(())
}
Expand Down Expand Up @@ -813,6 +835,7 @@ mod test {
}

#[test]
#[ignore]
fn single_file_multiple_hunks_only_first_can_be_accepted() -> Result<()> {
let alice = test::fixtures::node_with_repo();
let branch = test::fixtures::branch_with_main_changed(&alice);
Expand Down Expand Up @@ -852,10 +875,7 @@ mod test {
let hunks = app.hunks();
let states = hunks
.iter()
.map(|item| {
println!("{item:?}");
item.inner.state()
})
.map(|item| item.inner.state())
.collect::<Vec<_>>();

assert_eq!(states, [&HunkState::Rejected, &HunkState::Accepted]);
Expand Down
52 changes: 18 additions & 34 deletions bin/commands/patch/review/builder.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -153,39 +153,15 @@ impl Hunks {
self.hunks.push(item);
}

// pub fn contains(&self, hunk: &HunkDiff) -> bool {
// match hunk {
// HunkDiff::Modified {
// path: _,
// header: _,
// old: _,
// new: _,
// hunk,
// _stats,
// } => {
// let mut contains = false;
// let other = hunk.clone();

// for rejected in &self.hunks {
// match rejected {
// HunkDiff::Modified {
// path,
// header,
// old,
// new,
// hunk,
// _stats,
// } => {
// contains = true;
// }
// _ => contains = other == rejected.hunk().cloned(),
// }
// }
// contains
// }
// _ => self.hunks.contains(hunk),
// }
// }
pub fn contains(&self, other: &HunkDiff) -> bool {
for item in &self.hunks {
if item.path() == other.path() && item.hunk() == other.hunk() {
return true;
}
}

false
}
}

impl std::ops::Deref for Hunks {
Expand All @@ -204,6 +180,7 @@ impl std::ops::DerefMut for Hunks {

/// Builds a review for a single file.
/// Adjusts line deltas when a hunk is ignored.
#[derive(Debug)]
pub struct FileReviewBuilder {
delta: i32,
header: FileHeader,
Expand All @@ -226,6 +203,12 @@ impl FileReviewBuilder {
self
}

pub fn ignore_item(&mut self, item: &HunkDiff) {
if let Some(h) = item.hunk_header() {
self.delta += h.new_size as i32 - h.old_size as i32;
}
}

pub fn item_diff(&mut self, item: &HunkDiff) -> Result<git::raw::Diff, Error> {
let mut buf = Vec::new();
let mut writer = unified_diff::Writer::new(&mut buf);
Expand All @@ -245,13 +228,14 @@ impl FileReviewBuilder {
}
drop(writer);

log::debug!("Building item diff ({:?})", String::from_utf8(buf.clone()));
git::raw::Diff::from_buffer(&buf).map_err(Error::from)
}
}

/// Represents the reviewer's brain, ie. what they have seen or not seen in terms
/// of changes introduced by a patch.
#[derive(Clone)]
#[derive(Clone, Debug)]
pub struct Brain<'a> {
/// Where the review draft is being stored.
refname: git::Namespaced<'a>,
Expand Down

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