[1.1] Fix directory perms vs umask for tmpcopyup #4060
Merged
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This is a backport of #4056 to release-1.1 branch, fixing #3991. Original description follows.
PS I checked the test case fails before the fix in release-1.1 as well.
Bump fileutils to v0.5.1, which fixes permissions of newly created directories to not depend on the value of umask.
Add a test case which fails like this before the fix:
Fixes #3991.