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27 lines
598 B
Bash
27 lines
598 B
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# Usage: $ ./rustc-version.sh rustc
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#
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# Print the Rust compiler version in a 6 or 7-digit form.
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# Convert the version string x.y.z to a canonical up-to-7-digits form.
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#
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# Note that this function uses one more digit (compared to other
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# instances in other version scripts) to give a bit more space to
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# `rustc` since it will reach 1.100.0 in late 2026.
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get_canonical_version()
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{
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IFS=.
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set -- $1
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echo $((100000 * $1 + 100 * $2 + $3))
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}
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if output=$("$@" --version 2>/dev/null); then
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set -- $output
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get_canonical_version $2
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else
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echo 0
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exit 1
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fi
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