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feat(checkout)!: add ability to checkout commit (#35)

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Aleksey Kulikov 2022-01-21 17:10:41 +03:00 • committed by GitHub
parent 6fe24dcb65
commit f7dde69de3
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7 changed files with 115 additions and 38 deletions
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56
lib/src/repository.dart
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@ -1233,20 +1233,34 @@ class Repository {
);
}
/// Checkouts the provided reference [refName] using the given strategy, and
/// updates the HEAD.
/// Checkouts the provided [target] using the given strategy, and updates the
/// HEAD.
///
/// If no reference [refName] is given, checkouts from the index.
/// [target] can be null, 'HEAD', reference name or commit [Oid].
///
/// If no [target] is given, updates files in the working tree to match the
/// content of the index.
///
/// If [target] is 'HEAD' string, updates files in the index and the working
/// tree to match the content of the commit pointed at by HEAD.
///
/// If [target] is reference name, updates files in the index and working
/// tree to match the content of the tree pointed at by the reference.
///
/// If [target] is commit oid, updates files in the index and working
/// tree to match the content of the tree pointed at by the commit.
///
/// Default checkout strategy is combination of [GitCheckout.safe] and
/// [GitCheckout.recreateMissing].
///
/// [directory] is alternative checkout path to workdir.
///
/// [paths] is list of files to checkout from provided reference [refName].
/// If paths are provided HEAD will not be set to the reference [refName].
/// [paths] is list of files to checkout from provided [target].
/// If paths are provided, HEAD will not be set to the [target].
///
/// Throws [ArgumentError] if provided [target] is not String or [Oid].
void checkout({
String? refName,
Object? target,
Set<GitCheckout> strategy = const {
GitCheckout.safe,
GitCheckout.recreateMissing
@ -1256,22 +1270,22 @@ class Repository {
}) {
final strat = strategy.fold(0, (int acc, e) => acc | e.value);
if (refName == null) {
if (target == null) {
checkout_bindings.index(
repoPointer: _repoPointer,
strategy: strat,
directory: directory,
paths: paths,
);
} else if (refName == 'HEAD') {
} else if (target == 'HEAD') {
checkout_bindings.head(
repoPointer: _repoPointer,
strategy: strat,
directory: directory,
paths: paths,
);
} else {
final ref = lookupReference(refName);
} else if (target is String) {
final ref = lookupReference(target);
final treeish = object_bindings.lookup(
repoPointer: _repoPointer,
oidPointer: ref.target.pointer,
@ -1285,11 +1299,27 @@ class Repository {
paths: paths,
);
if (paths == null) {
setHead(refName);
setHead(target);
}
object_bindings.free(treeish);
ref.free();
} else if (target is Oid) {
final treeish = object_bindings.lookup(
repoPointer: _repoPointer,
oidPointer: target.pointer,
type: GitObject.any.value,
);
checkout_bindings.tree(
repoPointer: _repoPointer,
treeishPointer: treeish,
strategy: strat,
directory: directory,
paths: paths,
);
if (paths == null) {
setHead(target);
}
} else {
throw ArgumentError.value('$target must be either String or Oid');
}
}