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copyPath/copyPathSync: expose parameter followLinks #1267

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copyPath/copyPathSync: expose parameter followLinks #1267

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2aed0a7
copyPath/copyPathSync: expose parameter `followLinks`
gmpassos Dec 10, 2024
e2de8e3
Merge branch 'dart-lang:main' into patch-1
gmpassos Dec 17, 2024
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14 changes: 10 additions & 4 deletions pkgs/io/lib/src/copy_path.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -23,14 +23,17 @@ bool _doNothing(String from, String to) {
/// * Existing files are over-written, if any.
/// * If [to] is within [from], throws [ArgumentError] (an infinite operation).
/// * If [from] and [to] are canonically the same, no operation occurs.
/// * If [followLinks] is `true`, then working links are reported as
/// directories or files, and links to directories are recursed into.
///
/// Returns a future that completes when complete.
Future<void> copyPath(String from, String to) async {
Future<void> copyPath(String from, String to, {bool followLinks = true}) async {
if (_doNothing(from, to)) {
return;
}
await Directory(to).create(recursive: true);
await for (final file in Directory(from).list(recursive: true)) {
await for (final file
in Directory(from).list(recursive: true, followLinks: followLinks)) {
final copyTo = p.join(to, p.relative(file.path, from: from));
if (file is Directory) {
await Directory(copyTo).create(recursive: true);
Expand All @@ -49,14 +52,17 @@ Future<void> copyPath(String from, String to) async {
/// * Existing files are over-written, if any.
/// * If [to] is within [from], throws [ArgumentError] (an infinite operation).
/// * If [from] and [to] are canonically the same, no operation occurs.
/// * If [followLinks] is `true`, then working links are reported as
/// directories or files, and links to directories are recursed into.
///
/// This action is performed synchronously (blocking I/O).
void copyPathSync(String from, String to) {
void copyPathSync(String from, String to, {bool followLinks = true}) {
if (_doNothing(from, to)) {
return;
}
Directory(to).createSync(recursive: true);
for (final file in Directory(from).listSync(recursive: true)) {
for (final file
in Directory(from).listSync(recursive: true, followLinks: followLinks)) {
final copyTo = p.join(to, p.relative(file.path, from: from));
if (file is Directory) {
Directory(copyTo).createSync(recursive: true);
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