Use `cargo sweep` to clean Rust target directories after an upgrade

finchie

Mar 18, 2025, 5:40 AM

XDXDY3CX5KPQWKSFJS7ER5DYTWZFJRXGUWRBITFEYTV565K4IEKQC

Dependencies

[2] F2XQXDES Replace `cargo-watch` with `bacon`
[3] FU7S4JHV Add script to ensure Rust nightly version stays in sync
[4] MAVDUPWD Improve REPL prompt
[5] FPOXMH3V Add more agressive garbage collection settings
[6] HINOSPQO Add simple nushell update script
[*] BAT5B53O Refuse to rebuild until repository has no unrecorded changes
[*] 5FI47NSA Migrate to home-manager
[*] 226QFOML Replace `cargo-asm` with `cargo-show-asm`

Change contents

replacement in src/update.nu at line 7

[4.28]→[3.0:42](∅→∅)

use rust_version.nu enforce-rust-version;

[4.28]

[4.186]

use rust_version.nu get-rust-version;
edit in src/update.nu at line 37

[8.298]

[4.874]

# Before updating, get the current Rust version to see if we need to clean the target directories
let old_rust_version = get-rust-version;
edit in src/update.nu at line 50

[4.944]

[4.0]

# Make sure that Rust is roughly up-to-date (less than a week old)
# rust-overlay's selectLatestNightlyWith silently keeps older versions if components/targets are no longer valid
# This code should catch if that happens
let new_rust_version = get-rust-version;
assert greater $new_rust_version ((date now) - 7day) $"This version of Rust was built (ansi red_bold)($new_rust_version | date humanize)(ansi reset)!
Check that all specified targets and extensions are valid.
(ansi yellow_bold)HINT(ansi reset): replace `selectLatestNightlyWith` with `nightly.latest.default.override` to debug.";
replacement in src/update.nu at line 61

[3.294]→[3.294:352](∅→∅)

# Make sure that Rust is up-to-date
enforce-rust-version;

[3.294]

[4.80]

# Since the Rust version has changed anyways, clean all Rust target directories
if $old_rust_version != $new_rust_version {
print $"Removing old Rust target directories: ($new_rust_version - $old_rust_version) newer";
# `cargo-sweep` seems to require the `time` parameter, so just set it to 0
cargo sweep --time 0 --recursive ~/Projects/Rust
}
replacement in src/rust_version.nu at line 1

[3.393]→[3.394:553](∅→∅),[3.553]→[3.553:554](∅→∅),[3.554]→[3.554:570](∅→∅)

# Prevent rustc from getting too out-of-date;
# rust-overlay's selectLatestNightlyWith silently keeps older versions if components/targets are no longer valid

use std assert;

[3.393]

[3.570]

# Get the release date of the current Rust version
replacement in src/rust_version.nu at line 3

[3.571]→[3.571:608](∅→∅)

export def enforce-rust-version [] {

[3.571]

[3.608]

export def get-rust-version [] {
replacement in src/rust_version.nu at line 10

[3.846]→[3.846:913](∅→∅),[3.913]→[3.913:1312](∅→∅)

let version_date = $version_info.date | first | into datetime;

# Return an error if the version is more than one week old
assert greater $version_date ((date now) - 7day) $"This version of Rust was built (ansi red_bold)($version_date | date humanize)(ansi reset)!
Check that all specified targets and extensions are valid.
(ansi yellow_bold)HINT(ansi reset): replace `selectLatestNightlyWith` with `nightly.latest.default.override` to debug.";
}

[3.846]

$version_info.date | first | into datetime
}
edit in home.nix at line 89

[10.19]

[2.0]

cargo-sweep