$ git clone -n https://src.fedoraproject.org/rpms/kernel-headers.git /var/lib/mock/f39-build-730095-102310/root/chroot_tmpdir/scmroot/kernel-headers
Cloning into '/var/lib/mock/f39-build-730095-102310/root/chroot_tmpdir/scmroot/kernel-headers'...
$ git reset --hard dc70c7c8c60af73bc61d4ebe5222971b29c1ea76
HEAD is now at dc70c7c Rename rpmversion since it is used internally now