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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# rust-version rust-command
#
# Print the compiler version of `rust-command' in a 5 or 6-digit form
# such as `14502' for rustc-1.45.2 etc.
#
# Returns 0 if not found (so that Kconfig does not complain)
compiler="$*"
if [ ${#compiler} -eq 0 ]; then
echo "Error: No compiler specified." >&2
printf "Usage:\n\t$0 <rust-command>\n" >&2
exit 1
fi
if ! command -v $compiler >/dev/null 2>&1; then
echo 0
exit 0
fi
VERSION=$($compiler --version | cut -f2 -d' ')
# Cut suffix if any (e.g. `-dev`)
VERSION=$(echo $VERSION | cut -f1 -d'-')
MAJOR=$(echo $VERSION | cut -f1 -d'.')
MINOR=$(echo $VERSION | cut -f2 -d'.')
PATCHLEVEL=$(echo $VERSION | cut -f3 -d'.')
printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
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