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conflicts: check earlier for edited absent part in conflict markers

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With the new `Merge::iter()`, we can simplify the code a bit by
combining that with `zip`.

I'll simplify the last part of `update_from_content()` next.
This commit is contained in:
Martin von Zweigbergk 2023-08-13 10:48:10 -07:00 committed by Martin von Zweigbergk
parent 01ac97f999
commit f45b8052e1
1 changed files with 16 additions and 16 deletions
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32
lib/src/conflicts.rs
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@ -15,6 +15,7 @@
#![allow(missing_docs)]
use std::io::Write;
use std::iter::zip;
use itertools::Itertools;
@ -336,47 +337,46 @@ pub fn update_from_content(
}
}
}
let contents = Merge::new(removed_content, added_content);
// If the user edited the empty placeholder for an absent side, we consider the
// conflict resolved.
if zip(contents.iter(), file_ids.iter())
.any(|(content, file_id)| file_id.is_none() && !content.is_empty())
{
let file_id = store.write_file(path, &mut &content[..])?;
return Ok(Merge::normal(file_id));
}
// Now write the new files contents we found by parsing the file
// with conflict markers. Update the Merge object with the new
// FileIds.
let mut new_removes = vec![];
for (i, buf) in removed_content.iter().enumerate() {
for (i, buf) in contents.removes().iter().enumerate() {
match &file_ids.removes()[i] {
Some(_) => {
let file_id = store.write_file(path, &mut buf.as_slice())?;
new_removes.push(Some(file_id));
}
None if buf.is_empty() => {
None => {
// The missing side of a conflict is still represented by
// the empty string we materialized it as
new_removes.push(None);
}
_ => {
// The user edited the empty placeholder for an absent side. We consider the
// conflict resolved.
let file_id = store.write_file(path, &mut &content[..])?;
return Ok(Merge::normal(file_id));
}
}
}
let mut new_adds = vec![];
for (i, buf) in added_content.iter().enumerate() {
for (i, buf) in contents.adds().iter().enumerate() {
match &file_ids.adds()[i] {
Some(_) => {
let file_id = store.write_file(path, &mut buf.as_slice())?;
new_adds.push(Some(file_id));
}
None if buf.is_empty() => {
None => {
// The missing side of a conflict is still represented by
// the empty string we materialized it as => nothing to do
new_adds.push(None);
}
_ => {
// The user edited the empty placeholder for an absent side. We consider the
// conflict resolved.
let file_id = store.write_file(path, &mut &content[..])?;
return Ok(Merge::normal(file_id));
}
}
}
Ok(Merge::new(new_removes, new_adds))