public void TestRename()
{
using var flagFile = new TemporaryFile("0install-unit-tests");
File.WriteAllText(flagFile, "/dir/file1\n/dir/file2\n/dir2/file\n");
FlagUtils.Rename(flagFile, "dir", "new_dir");
File.ReadAllText(flagFile).Should().Be("/new_dir/file1\n/new_dir/file2\n/dir2/file\n");
}
/// <summary>
/// Applies a <see cref="RenameStep"/> to a <see cref="TemporaryDirectory"/>.
/// </summary>
/// <param name="step">The <see cref="RenameStep"/> to apply.</param>
/// <param name="workingDir">The <see cref="TemporaryDirectory"/> to apply the changes to.</param>
/// <exception cref="IOException">A path specified in <paramref name="step"/> is illegal.</exception>
public static void Apply(this RenameStep step, TemporaryDirectory workingDir)
{
#region Sanity checks
if (step == null)
{
throw new ArgumentNullException(nameof(step));
}
if (workingDir == null)
{
throw new ArgumentNullException(nameof(workingDir));
}
#endregion
if (string.IsNullOrEmpty(step.Source))
{
throw new IOException(string.Format(Resources.RecipeInvalidPath, "(empty)"));
}
if (string.IsNullOrEmpty(step.Destination))
{
throw new IOException(string.Format(Resources.RecipeInvalidPath, "(empty)"));
}
string source = FileUtils.UnifySlashes(step.Source);
string destination = FileUtils.UnifySlashes(step.Destination);
if (FileUtils.IsBreakoutPath(source))
{
throw new IOException(string.Format(Resources.RecipeInvalidPath, source));
}
if (FileUtils.IsBreakoutPath(destination))
{
throw new IOException(string.Format(Resources.RecipeInvalidPath, destination));
}
string sourcePath = Path.Combine(workingDir, source);
string destinationPath = Path.Combine(workingDir, destination);
string parentDir = Path.GetDirectoryName(destinationPath);
if (!string.IsNullOrEmpty(parentDir) && !Directory.Exists(parentDir))
{
Directory.CreateDirectory(parentDir);
}
if (Directory.Exists(sourcePath))
{
Directory.Move(sourcePath, destinationPath);
}
else
{
File.Move(sourcePath, destinationPath);
}
// Update in flag files as well
FlagUtils.Rename(Path.Combine(workingDir, FlagUtils.XbitFile), source, destination);
FlagUtils.Rename(Path.Combine(workingDir, FlagUtils.SymlinkFile), source, destination);
}
