$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-Facebook-Oauth2.git /var/lib/mock/f45-build-25285-610/root/chroot_tmpdir/scmroot/perl-Net-Facebook-Oauth2
Cloning into '/var/lib/mock/f45-build-25285-610/root/chroot_tmpdir/scmroot/perl-Net-Facebook-Oauth2'...
$ git fetch origin fbd3de0fddce7340ab05fe6dad3eece72060dbb0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-Facebook-Oauth2
 * [new ref]         fbd3de0fddce7340ab05fe6dad3eece72060dbb0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbd3de0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild