shuf: Refuse repeating zero lines #6011
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GNU testsuite comparison: |
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Excellent |
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Sure thing! EDIT: Fun fact, that revealed a bug I accidentally introduced recently. :D |
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cakebaker
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This was a GNU behavior bug: ```console $ LC_ALL=C shuf -er shuf: no lines to repeat [$? = 1] $ cargo run shuf -er # old, bad (unexpected success) $ cargo run shuf -er # new shuf: no lines to repeat [$? = 1] ```
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Btw, I don't really understand what |
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Great, thanks! |
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sylvestre
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* ci: use codecov token in CICD/GnuTests workflows * tee: fail test if string setup fails * sort: add skipped test for combined flags Now that clap#2624 has been resolved, we can and should test both variants. * cat: don't flake even on exotic pipe buffer sizes See also 9995c63. There is a race condition between the writing thread and the command. It is easily possible that on the developer's machine, the writing thread is always faster, filling the kernel's buffer of the stdin pipe, thus succeeding the write. It is also easily possible that on the busy CI machines, the child command runs first for whatever reason, and exits early, thus killing the pipe, which causes the later write to fail. This results in a flaky test. Let's prevent flaky tests. * numfmt: don't flake even on exotic pipe buffer sizes * split: don't flake even on exotic pipe buffer sizes * simulate terminal utility (squash) * workaround: run builds with retry (a) * added configurable terminal size * chore(deps): update rust crate rayon to 1.9 * cargo: fix feature = "cargo-clippy" deprecation * tests/printf: Fix char_as_byte test, add char and string padding tests * printf: Change get_char and write_padded to handle bytes instead of chars * uucore/format: add padlen to spell-checker:ignore * tests/printf: Verify the correct error behavior of printf when provided with '%0c' or '%0s' * printf: Raise error on '%0c' and '%0s' formats * cp: fix flaky test test_cp_arg_interactive_update, document adjacent bug * chore(deps): update rust crate walkdir to 2.5 * cat: permit repeating command-line flags * cat: fix -b and -n anti-symmetry * cat: ignore -u flag, just like GNU does * tests/common/util.rs: add cfg(feature = "env") * cat: prefix two test fns with "test_" * Bump mio from 0.8.10 to 0.8.11 * extend error message for case when writer instanciation fails second time * Bump chrono from 0.4.34 to 0.4.35 * ls: use chrono::TimeDelta::try_seconds instead of deprecated chrono::TimeDelta::seconds * touch: replace use of deprecated chrono functions * chmod: slightly adjust error message when preserve-root is triggered One of the GNU tests checks for the exact error message. * chgrp+chown: also trigger preserve-root during dirwalking, fix error message This is explicitly tested in the GNU tests. * uucore: drop unused function resolve_relative_path This function is by necessity ill-defined: Depending on the context, '..' is either the logical parent directory, sometimes the physical parent directory. This function can only work for the latter case, in which case `Path::canonicalize` is often a better approach. * split: close as much fds as needed for opening new one * use std::command::pre_exec() to set limits on child before exec * chore(deps): update softprops/action-gh-release action to v2 * dd: treat arg as bytes if it contains 'B' * Fix clippy warnings * tr: stream output instead of buffering This should lower memory consumption, and fixes OOM in some scenarios. * shuf: fix and test off-by-one errors around ranges * shuf: fix error message text on negative-sized ranges Found by @cakebaker: uutils#6011 (comment) * chcon: allow overriding between --dereference and --no-dereference * chcon: allow repeated flags and arguments * touch: Respect -h when getting metadata (uutils#5951) * Add tests that stat symlinks * Check follow first in stat * Don't run tests on FreeBSD It would be possible to get them to run on FreeBSD by avoiding get_symlink_times, but the behavior we're testing is not platform-specific, so it's fine to not test it on FreeBSD. --------- Co-authored-by: Sylvestre Ledru <[email protected]> * pr: fix deprecation warnings & remove comment * chgrp: fix clippy warning * cut: allow non utf8 characters for delimiters (uutils#6037) * cp: improve the support of --attributes-only (uutils#6051) * cp: improve the support of --attributes-only * remove useless comments Co-authored-by: Daniel Hofstetter <[email protected]> --------- Co-authored-by: Daniel Hofstetter <[email protected]> * cp: Split the copy_file function a bit * parser: if closing square bracket not found, stop looking for it again This solves uutils#5584, where the fuzzing would take hours without this. * Fix install: invalid link at destination also remove some FixMEs for FreeBsd * Bump nix from 0.27 to 0.28 * uucore/pipes: adapt to new return type of nix fn nix 0.28 changed the return type of unistd::pipe() from Result<(RawFd, RawFd), Error> to Result<(OwnedFd, OwnedFd), Error> * tty: unistd::ttyname takes AsFd instead of RawFd change introduced by nix 0.28 * stty: remove ofill output flag flag was removed from nix::sys::termios::OutputFlags in nix 0.28 * cat: adapt to type change of unistd::write() nix 0.28 changed "write(fd: RawFd, buf: &[u8]) -> Result<usize>" to "write<Fd: AsFd>(fd: Fd, buf: &[u8]) -> Result<usize>" * chore(deps): update rust crate blake3 to 1.5.1 --------- Co-authored-by: Daniel Hofstetter <[email protected]> Co-authored-by: Ben Wiederhake <[email protected]> Co-authored-by: Ulrich Hornung <[email protected]> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: Sylvestre Ledru <[email protected]> Co-authored-by: Dimitris Apostolou <[email protected]> Co-authored-by: Dorian Péron <[email protected]> Co-authored-by: Terts Diepraam <[email protected]> Co-authored-by: mhead <[email protected]> Co-authored-by: Yash Thakur <[email protected]> Co-authored-by: Zoltan Kiss <[email protected]>
zhitkoff
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* ci: use codecov token in CICD/GnuTests workflows * tee: fail test if string setup fails * sort: add skipped test for combined flags Now that clap#2624 has been resolved, we can and should test both variants. * cat: don't flake even on exotic pipe buffer sizes See also 9995c63. There is a race condition between the writing thread and the command. It is easily possible that on the developer's machine, the writing thread is always faster, filling the kernel's buffer of the stdin pipe, thus succeeding the write. It is also easily possible that on the busy CI machines, the child command runs first for whatever reason, and exits early, thus killing the pipe, which causes the later write to fail. This results in a flaky test. Let's prevent flaky tests. * numfmt: don't flake even on exotic pipe buffer sizes * split: don't flake even on exotic pipe buffer sizes * simulate terminal utility (squash) * workaround: run builds with retry (a) * added configurable terminal size * chore(deps): update rust crate rayon to 1.9 * cargo: fix feature = "cargo-clippy" deprecation * tests/printf: Fix char_as_byte test, add char and string padding tests * printf: Change get_char and write_padded to handle bytes instead of chars * uucore/format: add padlen to spell-checker:ignore * tests/printf: Verify the correct error behavior of printf when provided with '%0c' or '%0s' * printf: Raise error on '%0c' and '%0s' formats * cp: fix flaky test test_cp_arg_interactive_update, document adjacent bug * chore(deps): update rust crate walkdir to 2.5 * cat: permit repeating command-line flags * cat: fix -b and -n anti-symmetry * cat: ignore -u flag, just like GNU does * tests/common/util.rs: add cfg(feature = "env") * cat: prefix two test fns with "test_" * Bump mio from 0.8.10 to 0.8.11 * extend error message for case when writer instanciation fails second time * Bump chrono from 0.4.34 to 0.4.35 * ls: use chrono::TimeDelta::try_seconds instead of deprecated chrono::TimeDelta::seconds * touch: replace use of deprecated chrono functions * chmod: slightly adjust error message when preserve-root is triggered One of the GNU tests checks for the exact error message. * chgrp+chown: also trigger preserve-root during dirwalking, fix error message This is explicitly tested in the GNU tests. * uucore: drop unused function resolve_relative_path This function is by necessity ill-defined: Depending on the context, '..' is either the logical parent directory, sometimes the physical parent directory. This function can only work for the latter case, in which case `Path::canonicalize` is often a better approach. * split: close as much fds as needed for opening new one * use std::command::pre_exec() to set limits on child before exec * chore(deps): update softprops/action-gh-release action to v2 * dd: treat arg as bytes if it contains 'B' * Fix clippy warnings * tr: stream output instead of buffering This should lower memory consumption, and fixes OOM in some scenarios. * shuf: fix and test off-by-one errors around ranges * shuf: fix error message text on negative-sized ranges Found by @cakebaker: uutils#6011 (comment) * chcon: allow overriding between --dereference and --no-dereference * chcon: allow repeated flags and arguments * touch: Respect -h when getting metadata (uutils#5951) * Add tests that stat symlinks * Check follow first in stat * Don't run tests on FreeBSD It would be possible to get them to run on FreeBSD by avoiding get_symlink_times, but the behavior we're testing is not platform-specific, so it's fine to not test it on FreeBSD. --------- Co-authored-by: Sylvestre Ledru <[email protected]> * pr: fix deprecation warnings & remove comment * chgrp: fix clippy warning * cut: allow non utf8 characters for delimiters (uutils#6037) * cp: improve the support of --attributes-only (uutils#6051) * cp: improve the support of --attributes-only * remove useless comments Co-authored-by: Daniel Hofstetter <[email protected]> --------- Co-authored-by: Daniel Hofstetter <[email protected]> * cp: Split the copy_file function a bit * parser: if closing square bracket not found, stop looking for it again This solves uutils#5584, where the fuzzing would take hours without this. * Fix install: invalid link at destination also remove some FixMEs for FreeBsd * Bump nix from 0.27 to 0.28 * uucore/pipes: adapt to new return type of nix fn nix 0.28 changed the return type of unistd::pipe() from Result<(RawFd, RawFd), Error> to Result<(OwnedFd, OwnedFd), Error> * tty: unistd::ttyname takes AsFd instead of RawFd change introduced by nix 0.28 * stty: remove ofill output flag flag was removed from nix::sys::termios::OutputFlags in nix 0.28 * cat: adapt to type change of unistd::write() nix 0.28 changed "write(fd: RawFd, buf: &[u8]) -> Result<usize>" to "write<Fd: AsFd>(fd: Fd, buf: &[u8]) -> Result<usize>" * chore(deps): update rust crate blake3 to 1.5.1 --------- Co-authored-by: Daniel Hofstetter <[email protected]> Co-authored-by: Ben Wiederhake <[email protected]> Co-authored-by: Ulrich Hornung <[email protected]> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: Sylvestre Ledru <[email protected]> Co-authored-by: Dimitris Apostolou <[email protected]> Co-authored-by: Dorian Péron <[email protected]> Co-authored-by: Terts Diepraam <[email protected]> Co-authored-by: mhead <[email protected]> Co-authored-by: Yash Thakur <[email protected]> Co-authored-by: Zoltan Kiss <[email protected]>
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This was a GNU behavior bug:
Note that this bug already existed before #5980 and my other shuf-related PRs.
This should also fix the last testcase of the GNU shuf test.