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Handling submodule update failures more gracefully from x.py #89929

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Nov 1, 2021
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Handling submodule update failures more gracefully from x.py #89929

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10 changes: 9 additions & 1 deletion src/bootstrap/bootstrap.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1005,7 +1005,15 @@ def update_submodule(self, module, checked_out, recorded_submodules):
if self.git_version >= distutils.version.LooseVersion("2.11.0"):
update_args.append("--progress")
update_args.append(module)
run(update_args, cwd=self.rust_root, verbose=self.verbose, exception=True)
try:
run(update_args, cwd=self.rust_root, verbose=self.verbose, exception=True)
except RuntimeError:
print("Failed updating submodule. This is probably due to uncommitted local changes.")
print('Either stash the changes by running "git stash" within the submodule\'s')
print('directory, reset them by running "git reset --hard", or commit them.')
print("To reset all submodules' changes run", end=" ")
print('"git submodule foreach --recursive git reset --hard".')
raise SystemExit(1)
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run(["git", "reset", "-q", "--hard"],
cwd=module_path, verbose=self.verbose)
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