set -o noclobber gives "bash: /dev/shm/byobu-stdedos-1bwD9afq/dircolors: cannot overwrite existing file"
Bug #1888161 reported by
Stdedos
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I think oh-my-bash sets noclobber and causes this mess (byobu cannot start cleanly). It is a bit strange though that I only experience this problem on one of my machines...