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-
7
8 # Convert the version string x.y.z to a canoni
9 #
10 # Note that this function uses one more digit
11 # instances in other version scripts) to give
12 # `rustc` since it will reach 1.100.0 in late
13 get_canonical_version()
14 {
15 IFS=.
16 set -- $1
17 echo $((100000 * $1 + 100 * $2 + $3))
18 }
19
20 if output=$("$@" --version 2>/dev/null); then
21 set -- $output
22 get_canonical_version $2
23 else
24 echo 0
25 exit 1
26 fi
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