$ git clone -n https://src.fedoraproject.org/rpms/pagure-exporter.git /var/lib/mock/f45-build-21311-583/root/chroot_tmpdir/scmroot/pagure-exporter
Cloning into '/var/lib/mock/f45-build-21311-583/root/chroot_tmpdir/scmroot/pagure-exporter'...
$ git fetch origin 3e1745685a6f77bfbd9d6cd8e59f39e701633c72:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pagure-exporter
 * [new ref]         3e1745685a6f77bfbd9d6cd8e59f39e701633c72 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e17456 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild