feat(index): add ability to create diff between two indexes (#34)

This commit is contained in:
Aleksey Kulikov 2022-01-14 18:44:14 +03:00 committed by GitHub
parent cc78e7945f
commit 6fe24dcb65
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 139 additions and 15 deletions

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@ -5,6 +5,42 @@ import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
import 'package:libgit2dart/src/error.dart';
import 'package:libgit2dart/src/util.dart';
/// Create a diff with the difference between two index objects.
///
/// Throws a [LibGit2Error] if error occured.
Pointer<git_diff> indexToIndex({
required Pointer<git_repository> repoPointer,
required Pointer<git_index> oldIndexPointer,
required Pointer<git_index> newIndexPointer,
required int flags,
required int contextLines,
required int interhunkLines,
}) {
final out = calloc<Pointer<git_diff>>();
final opts = _diffOptionsInit(
flags: flags,
contextLines: contextLines,
interhunkLines: interhunkLines,
);
final error = libgit2.git_diff_index_to_index(
out,
repoPointer,
oldIndexPointer,
newIndexPointer,
opts,
);
calloc.free(opts);
if (error < 0) {
calloc.free(out);
throw LibGit2Error(libgit2.git_error_last());
} else {
return out.value;
}
}
/// Create a diff between the repository index and the workdir directory.
Pointer<git_diff> indexToWorkdir({
required Pointer<git_repository> repoPointer,
@ -80,13 +116,14 @@ Pointer<git_diff> treeToWorkdir({
opts,
);
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
calloc.free(opts);
return out.value;
if (error < 0) {
calloc.free(out);
throw LibGit2Error(libgit2.git_error_last());
} else {
return out.value;
}
}
/// Create a diff between a tree and the working directory using index data to
@ -118,13 +155,14 @@ Pointer<git_diff> treeToWorkdirWithIndex({
opts,
);
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
calloc.free(opts);
return out.value;
if (error < 0) {
calloc.free(out);
throw LibGit2Error(libgit2.git_error_last());
} else {
return out.value;
}
}
/// Create a diff with the difference between two tree objects.
@ -153,13 +191,14 @@ Pointer<git_diff> treeToTree({
opts,
);
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
calloc.free(opts);
return out.value;
if (error < 0) {
calloc.free(out);
throw LibGit2Error(libgit2.git_error_last());
} else {
return out.value;
}
}
/// Query how many diff records are there in a diff.