$ git clone -n https://src.fedoraproject.org/rpms/unibilium.git /var/lib/mock/f41-build-side-1-3135064-39766/root/chroot_tmpdir/scmroot/unibilium
Cloning into '/var/lib/mock/f41-build-side-1-3135064-39766/root/chroot_tmpdir/scmroot/unibilium'...
$ git fetch origin a80f5dace3d53f57142c4fc94acbdf8ecad3a059:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/unibilium
 * [new ref]         a80f5dace3d53f57142c4fc94acbdf8ecad3a059 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a80f5da Fix building with autoconf