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feat(index): add ability to create diff between two indexes

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This commit is contained in:
Aleksey Kulikov 2022-01-14 18:35:11 +03:00
parent cc78e7945f
commit 1f516a36be
3 changed files with 139 additions and 15 deletions
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31
lib/src/index.dart
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@ -300,6 +300,37 @@ class Index with IterableMixin<IndexEntry> {
void removeAll(List<String> path) =>
bindings.removeAll(indexPointer: _indexPointer, pathspec: path);
/// Creates a diff with the difference between two index objects.
///
/// [index] is the [Index] object to diff to.
///
/// [flags] is a combination of [GitDiff] flags. Defaults to [GitDiff.normal].
///
/// [contextLines] is the number of unchanged lines that define the boundary
/// of a hunk (and to display before and after). Defaults to 3.
///
/// [interhunkLines] is the maximum number of unchanged lines between hunk
/// boundaries before the hunks will be merged into one. Defaults to 0.
///
/// Throws a [LibGit2Error] if error occured.
Diff diffToIndex({
required Index index,
Set<GitDiff> flags = const {GitDiff.normal},
int contextLines = 3,
int interhunkLines = 0,
}) {
return Diff(
diff_bindings.indexToIndex(
repoPointer: bindings.owner(_indexPointer),
oldIndexPointer: _indexPointer,
newIndexPointer: index.pointer,
flags: flags.fold(0, (acc, e) => acc | e.value),
contextLines: contextLines,
interhunkLines: interhunkLines,
),
);
}
/// Creates a diff between the repository index and the workdir directory.
///
/// [flags] is a combination of [GitDiff] flags. Defaults to [GitDiff.normal].