1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# 4# Usage: $ ./rustc-version.sh rustc 5# 6# Print the Rust compiler version in a 6 or 7-digit form. 7 8# Convert the version string x.y.z to a canonical up-to-7-digits form. 9# 10# Note that this function uses one more digit (compared to other 11# instances in other version scripts) to give a bit more space to 12# `rustc` since it will reach 1.100.0 in late 2026. 13get_canonical_version() 14{ 15 IFS=. 16 set -- $1 17 echo $((100000 * $1 + 100 * $2 + $3)) 18} 19 20if output=$("$@" --version 2>/dev/null); then 21 set -- $output 22 get_canonical_version $2 23else 24 echo 0 25 exit 1 26fi 27