internal static void UnixSetFileAccessExecutable(string path)
{
if (!File.Exists(path) || !UnixFileSystemInfo.TryGetFileSystemEntry(path, out UnixFileSystemInfo entry))
{
return;
}
if (!entry.FileAccessPermissions.HasFlag(FileAccessPermissions.UserExecute))
{
entry.FileAccessPermissions = entry.FileAccessPermissions | FileAccessPermissions.UserExecute;
}
}
private bool TryFollowSymbolicLink(ref string path, out bool wasSymLink)
{
if (!UnixFileSystemInfo.TryGetFileSystemEntry(path, out var fsentry) || !fsentry.Exists)
{
wasSymLink = false;
return(false);
}
if (!fsentry.IsSymbolicLink)
{
wasSymLink = false;
return(true);
}
var link = UnixPath.TryReadLink(path);
if (link == null)
{
var errno = Stdlib.GetLastError();
if (errno != Errno.EINVAL)
{
_logger.Trace("Checking path {0} for symlink returned error {1}, assuming it's not a symlink.", path, errno);
}
wasSymLink = true;
return(false);
}
else
{
if (UnixPath.IsPathRooted(link))
{
path = link;
}
else
{
path = UnixPath.GetDirectoryName(path) + UnixPath.DirectorySeparatorChar + link;
path = UnixPath.GetCanonicalPath(path);
}
wasSymLink = true;
return(true);
}
}