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Author SHA1 Message Date
Vincent Batts 94303e15af
*.go: updated go:build added via gofmt 
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
 2022-04-23 12:59:26 -04:00
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