** Description changed: - Ubuntu 25.10 Questing came with this rust coreutils "date" command - version: + [Impact] + date -r reports current date instead of date specified by reference file. This makes files look "too new", causing for example backup scripts to not run their backups because they think the backups are current, and possible other mayhem. + + [Test plan] + Take a file older than now, and check that the output of + + date -r <file> + + matches + + gnudate -r <file> + + (except for localization) + + If the build passes, then the included test case + test_date_for_file_mtime also passed. Date has a regression test suite + as well checking other code paths for basic functionality and past + fixes. + + [Where problems could occur] + The change is straightforward and only affects the code using `-r`, adding the specified file as a date source and using that if specified. This uses an enum member that is newly added, and a match statement. Match statements are exhaustive so the compiler effectively guarantees us that this only affects date -r and no other code paths. + + [Original bug report] + Ubuntu 25.10 Questing came with this rust coreutils "date" command version: $ date -V date (uutils coreutils) 0.2.2 Problem is that the command "date -r file", that will return the last modification time of the given file, is returning a wrong date, in fact, is returning the current date: Example given, this file "/usr/bin/bash": -rwxr-xr-x 1 root root 1608840 Sep 8 15:20 /usr/bin/bash* The command "date -r /usr/bin/bash" correct return will be: Mon Sep 8 15:20:42 CEST 2025 But instead of that rust coreutils returns the current date: $ /usr/bin/date -r /usr/bin/bash Thu Oct 16 10:18:41 CEST 2025 The gnu coreutils works as expected and returns the last modification date of the given file: $ /usr/bin/gnudate -r /usr/bin/bash Mon Sep 8 15:20:42 CEST 2025 IMHO this is a very urgent to fix bug. We've noticed it because a couple of our monitor scripts started to act weird triggering date warnings for files that were untouched.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2127970 Title: [Ubuntu 25.10 Questing] rust coreutils "date -r file" returns a wrong date To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/coreutils-from/+bug/2127970/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
