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rustbuild: Fix building from an empty directory 

A stray shutil.rmtree happened when it shouldn't have happened, causing the
entire build to fail.
This commit is contained in:
Alex Crichton 2016-03-01 12:02:11 -08:00
parent f25f0e8de9
commit 613f449edd
1 changed files with 2 additions and 1 deletions
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3
src/bootstrap/bootstrap.py
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@ -73,7 +73,8 @@ class RustBuild:
if self.rustc().startswith(self.bin_root()) and \
(not os.path.exists(self.rustc()) or self.rustc_out_of_date()):
shutil.rmtree(self.bin_root())
if os.path.exists(self.bin_root()):
shutil.rmtree(self.bin_root())
filename = "rust-std-nightly-" + self.build + ".tar.gz"
url = "https://static.rust-lang.org/dist/" + self.snap_rustc_date()
tarball = os.path.join(rustc_cache, filename)