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Add comment re accuracy of cargo --target completions

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Mahmoud Al-Qudsi 2024-05-18 12:00:39 -05:00
parent cbb399f2ed
commit 0a7725e469
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@ -21,6 +21,15 @@ for x in bench b build c check r run rustc t test
end
# If using rustup, get the list of installed targets from there. Otherwise print all targets.
#
# NB: I wasn't sure if it's possible to manually target a platform you don't have the corresponding toolchain for installed,
# and it turns out indeed this isn't strictly correct if you choose to manually compile the standard library (-Zbuild-std,
# nightly only) and are targeting a platform that your native linker also supports, e.g.
# `cargo build +nightly -Zbuild-std --target=i586-unknown-linux-gnu` works even if you only have the i686-unknown-linux-gnu
# toolchain installed.
#
# Ideally, we'd use rustup's "installed targets" but fall back to completions from rustc's "all targets" list, but we don't
# have an easy way to do that in the `complete` machinery at this time.
function __fish_cargo_targets
if command -q rustup
functions -q __rustup_installed_targets || source (path dirname (status current-filename))/rustup.fish