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Print a better error message when rustup is too old

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Simon Sapin 2017-11-27 23:18:54 +01:00
parent 2f941d8450
commit a3339f97c3
1 changed files with 7 additions and 0 deletions
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7
python/servo/command_base.py
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@ -14,6 +14,7 @@ import itertools
import locale
import os
from os import path
import re
import contextlib
import subprocess
from subprocess import PIPE
@ -322,6 +323,12 @@ class CommandBase(object):
def call_rustup_run(self, args, **kwargs):
if self.config["tools"]["use-rustup"]:
version_line = subprocess.check_output(["rustup" + BIN_SUFFIX, "--version"])
version = tuple(map(int, re.match("rustup (\d+)\.(\d+)\.(\d+)", version_line).groups()))
if version < (1, 8, 0):
print "rustup is at version %s.%s.%s, Servo requires 1.8.0 or more recent." % version
print "Try running 'rustup self update'."
return 1
args = ["rustup" + BIN_SUFFIX, "run", "--install", self.toolchain()] + args
try:
return call(args, **kwargs)