$ git clone -n https://src.fedoraproject.org/rpms/libabigail.git /var/lib/mock/f45-build-15806-479/root/chroot_tmpdir/scmroot/libabigail
Cloning into '/var/lib/mock/f45-build-15806-479/root/chroot_tmpdir/scmroot/libabigail'...
$ git fetch origin 247ce6069532f7471791215755f7272caef4e6c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libabigail
 * [new ref]         247ce6069532f7471791215755f7272caef4e6c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 247ce60 Update sources file