$ git clone -n https://src.fedoraproject.org/rpms/llvm-bolt.git /var/lib/mock/f40-build-799724-142583/root/chroot_tmpdir/scmroot/llvm-bolt
Cloning into '/var/lib/mock/f40-build-799724-142583/root/chroot_tmpdir/scmroot/llvm-bolt'...
$ git fetch origin eed24eb4e52322efe2c06c5d73b4c1a96c39c704:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/llvm-bolt
 * [new ref]         eed24eb4e52322efe2c06c5d73b4c1a96c39c704 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eed24eb 18.1.1 Release