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feat(index): add ability to read tree and write tree

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This commit is contained in:
Aleksey Kulikov 2021-08-12 17:14:17 +03:00
parent f5e43f3d90
commit 0194d7c361
5 changed files with 179 additions and 0 deletions
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48
lib/src/bindings/tree.dart Normal file
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import 'dart:ffi';
import 'package:ffi/ffi.dart';
import '../error.dart';
import 'libgit2_bindings.dart';
import '../util.dart';
/// Get the id of a tree.
Pointer<git_oid> id(Pointer<git_tree> tree) => libgit2.git_tree_id(tree);
/// Lookup a tree object from the repository.
///
/// Throws a [LibGit2Error] if error occured.
Pointer<git_tree> lookup(Pointer<git_repository> repo, Pointer<git_oid> id) {
final out = calloc<Pointer<git_tree>>();
final error = libgit2.git_tree_lookup(out, repo, id);
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
} else {
return out.value;
}
}
/// Lookup a tree object from the repository, given a prefix of its identifier (short id).
///
/// Throws a [LibGit2Error] if error occured.
Pointer<git_tree> lookupPrefix(
Pointer<git_repository> repo,
Pointer<git_oid> id,
int len,
) {
final out = calloc<Pointer<git_tree>>();
final error = libgit2.git_tree_lookup_prefix(out, repo, id, len);
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
} else {
return out.value;
}
}
/// Close an open tree.
///
/// You can no longer use the git_tree pointer after this call.
///
/// IMPORTANT: You MUST call this method when you stop using a tree to release memory.
/// Failure to do so will cause a memory leak.
void free(Pointer<git_tree> tree) => libgit2.git_tree_free(tree);