30 lines
906 B
Bash
30 lines
906 B
Bash
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#!/bin/bash
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set -euo pipefail
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component="${1}"
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if ! rustup component add "${component}" 2>/dev/null; then
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# If the component is unavailable on the latest nightly,
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# use the latest toolchain with the component available.
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# Refs: https://github.com/rust-lang/rustup-components-history#the-web-part
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target=$(curl -sSf "https://rust-lang.github.io/rustup-components-history/x86_64-unknown-linux-gnu/${component}")
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echo "'${component}' is unavailable on the default toolchain, use the toolchain 'nightly-${target}' instead"
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rustup update "nightly-${target}" --no-self-update
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rustup default "nightly-${target}"
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echo "Query rust and cargo versions:"
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rustup -V
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rustc -V
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cargo -V
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rustup component add "${component}"
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fi
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echo "Query component versions:"
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case "${component}" in
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clippy | miri) cargo "${component}" -V ;;
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rustfmt) "${component}" -V ;;
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esac
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