minorbug(mv): when -m is \x01 it do not quote it like gnu
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Description
Hi, uutils mainteners
we confirmed uutils that not escape \x01 when using -m =, here is how to reproduce
relunsec@relunsec:~/software/coreutils/target/debug$ ./mkdir -m a=$'\x01' h/.
mkdir: invalid operator (expected +, -, or =, but found )
relunsec@relunsec:~/software/coreutils/target/debug$ gnumkdir -m a=$'\x01' h/.
gnumkdir: invalid mode ‘a=\001’
relunsec@relunsec:~/software/coreutils/target/debug$
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Research direction
Start at the mkdir command entry point and the handling of its -m mode argument. Reproduce the supplied command with a mode containing \x01, then compare its diagnostic with GNU mkdir's escaped representation. Done means the invalid mode error quotes the control character visibly rather than emitting it unescaped.
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Assessment
- Tech stack
- rust
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100