$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-Expand.git /var/lib/mock/f45-build-22043-589/root/chroot_tmpdir/scmroot/perl-CGI-Expand
Cloning into '/var/lib/mock/f45-build-22043-589/root/chroot_tmpdir/scmroot/perl-CGI-Expand'...
$ git fetch origin e444fcee85263f42d523aaf5d829d8b73ff5b5bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-Expand
 * [new ref]         e444fcee85263f42d523aaf5d829d8b73ff5b5bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e444fce Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild