Check for git submodules in non-git source tree.

This commit is contained in:
Eric Huss 2022-04-09 08:10:34 -07:00
parent fbdb10f9fa
commit ca9ef27ed1

View File

@ -1097,8 +1097,19 @@ class RustBuild(object):
def update_submodules(self):
"""Update submodules"""
if (not os.path.exists(os.path.join(self.rust_root, ".git"))) or \
self.get_toml('submodules') == "false":
has_git = os.path.exists(os.path.join(self.rust_root, ".git"))
# This just arbitrarily checks for cargo, but any workspace member in
# a submodule would work.
has_submodules = os.path.exists(os.path.join(self.rust_root, "src/tools/cargo/Cargo.toml"))
if not has_git and not has_submodules:
print("This is not a git repository, and the requisite git submodules were not found.")
print("If you downloaded the source from https://github.com/rust-lang/rust/releases,")
print("those sources will not work. Instead, consider downloading from the source")
print("releases linked at")
print("https://forge.rust-lang.org/infra/other-installation-methods.html#source-code")
print("or clone the repository at https://github.com/rust-lang/rust/.")
raise SystemExit(1)
if not has_git or self.get_toml('submodules') == "false":
return
default_encoding = sys.getdefaultencoding()