bug(date): date does not respect -u when `+%c`
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U - date
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- Rust
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Description
Hi, uutils mainteners
we discovered that when testing these edge cases
relunsec@relunsec:~/software/coreutils/target/debug$ ./date -u $'+%c'
Fri Sep 18 13:41:00 2026
relunsec@relunsec:~/software/coreutils/target/debug$ gnudate -u $'+%c'
Fri 18 Sep 2026 01:41:02 PM UTC
relunsec@relunsec:~/software/coreutils/target/debug$
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Research direction
Start by reproducing the reported date -u +%c and gnudate -u +%c commands, then trace the date command's %c formatting and UTC handling. Done means the Rust implementation respects -u for %c and produces the expected UTC-style result shown in the report.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 64/100