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# Description Add `ulimit` command to Nushell. Closes #9563 Closes #3976 Related pr #11246 Reference: https://github.com/fish-shell/fish-shell/blob/master/fish-rust/src/builtins/ulimit.rs https://github.com/mirror/busybox/blob/master/shell/shell_common.c#L529 # User-Facing Changes ``` nushell on ulimit is 📦 v0.88.2 via 🦀 v1.72.1 [3/246] ❯ ulimit -a ╭────┬──────────────────────────────────────────────────────────────────────────┬───────────┬───────────╮ │ # │ description │ soft │ hard │ ├────┼──────────────────────────────────────────────────────────────────────────┼───────────┼───────────┤ │ 0 │ Maximum size of core files created (kB, -c) │ unlimited │ unlimited │ │ 1 │ Maximum size of a process's data segment (kB, -d) │ unlimited │ unlimited │ │ 2 │ Controls of maximum nice priority (-e) │ 0 │ 0 │ │ 3 │ Maximum size of files created by the shell (kB, -f) │ unlimited │ unlimited │ │ 4 │ Maximum number of pending signals (-i) │ 55273 │ 55273 │ │ 5 │ Maximum size that may be locked into memory (kB, -l) │ 8192 │ 8192 │ │ 6 │ Maximum resident set size (kB, -m) │ unlimited │ unlimited │ │ 7 │ Maximum number of open file descriptors (-n) │ 1024 │ 524288 │ │ 8 │ Maximum bytes in POSIX message queues (kB, -q) │ 800 │ 800 │ │ 9 │ Maximum realtime scheduling priority (-r) │ 0 │ 0 │ │ 10 │ Maximum stack size (kB, -s) │ 8192 │ unlimited │ │ 11 │ Maximum amount of CPU time in seconds (seconds, -t) │ unlimited │ unlimited │ │ 12 │ Maximum number of processes available to the current user (-u) │ 55273 │ 55273 │ │ 13 │ Maximum amount of virtual memory available to each process (kB, -v) │ unlimited │ unlimited │ │ 14 │ Maximum number of file locks (-x) │ unlimited │ unlimited │ │ 15 │ Maximum contiguous realtime CPU time (-y) │ unlimited │ unlimited │ ╰────┴──────────────────────────────────────────────────────────────────────────┴───────────┴───────────╯ nushell on ulimit is 📦 v0.88.2 via 🦀 v1.72.1 ❯ ulimit -s ╭───┬─────────────────────────────┬──────┬───────────╮ │ # │ description │ soft │ hard │ ├───┼─────────────────────────────┼──────┼───────────┤ │ 0 │ Maximum stack size (kB, -s) │ 8192 │ unlimited │ ╰───┴─────────────────────────────┴──────┴───────────╯ nushell on ulimit is 📦 v0.88.2 via 🦀 v1.72.1 ❯ ulimit -s 100 nushell on ulimit is 📦 v0.88.2 via 🦀 v1.72.1 ❯ ulimit -s ╭───┬─────────────────────────────┬──────┬──────╮ │ # │ description │ soft │ hard │ ├───┼─────────────────────────────┼──────┼──────┤ │ 0 │ Maximum stack size (kB, -s) │ 100 │ 100 │ ╰───┴─────────────────────────────┴──────┴──────╯ nushell on ulimit is 📦 v0.88.2 via 🦀 v1.72.1 ``` # Tests + Formatting - [x] add commands::ulimit::limit_set_soft1 - [x] add commands::ulimit::limit_set_soft2 - [x] add commands::ulimit::limit_set_hard1 - [x] add commands::ulimit::limit_set_hard2 - [x] add commands::ulimit::limit_set_invalid1 - [x] add commands::ulimit::limit_set_invalid2 - [x] `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - [x] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to check that you're using the standard code style - [x] `cargo test --workspace` to check that all tests pass (on Windows make sure to [enable developer mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging)) - [x] `cargo run -- -c "use std testing; testing run-tests --path crates/nu-std"` to run the tests for the standard library |
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