$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Event-Recurrence.git /var/lib/mock/f45-build-22961-595/root/chroot_tmpdir/scmroot/perl-DateTime-Event-Recurrence
Cloning into '/var/lib/mock/f45-build-22961-595/root/chroot_tmpdir/scmroot/perl-DateTime-Event-Recurrence'...
$ git fetch origin 70f92ea645606c93146534da7e907763bb9e80da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Event-Recurrence
 * [new ref]         70f92ea645606c93146534da7e907763bb9e80da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70f92ea Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild