$ git clone -n https://src.fedoraproject.org/rpms/python-cmake-build-extension.git /var/lib/mock/f40-build-2230979-53252/root/chroot_tmpdir/scmroot/python-cmake-build-extension
Cloning into '/var/lib/mock/f40-build-2230979-53252/root/chroot_tmpdir/scmroot/python-cmake-build-extension'...
$ git fetch origin 3bcc4d28556c23876d30508d76c731173a031cd4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cmake-build-extension
 * [new ref]         3bcc4d28556c23876d30508d76c731173a031cd4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bcc4d2 Assert that %pyproject_files contains a license file