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