Vincent Batts 73be830998 *: update -u behavior ... Fixes #16 In attempt to close https://github.com/vbatts/go-mtree/issues/16 I've uncovered that the update was missing a function for symlink. Additionally the update was not even opperating on the correct directory hierarchy. I've uncovered that os.Chtimes follows the symlink, and presumably only Linux has an obscure way to set the mtime/atime on a symlink itself. So I've made a custom lchtimes(). Also Mode follows through the symlink, and symlinks only ever have a mode of 0777, so don't set them. Lastly, directories need to have their mtime/atime set in a reverse order after all other updates have been done. This is going to require something like a `container/heap` to be unwound. Also, each updateFunc will _only_ perform the update if it is needed. Much less invasive this way. Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>		2017-06-30 15:34:44 -04:00
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gomtree	*: update -u behavior	2017-06-30 15:34:44 -04:00