$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Metadata-Changes.git /var/lib/mock/f45-build-24903-607/root/chroot_tmpdir/scmroot/perl-Module-Metadata-Changes
Cloning into '/var/lib/mock/f45-build-24903-607/root/chroot_tmpdir/scmroot/perl-Module-Metadata-Changes'...
$ git fetch origin 24bc39e79d02d7e408f504784365e45462c40e1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Metadata-Changes
 * [new ref]         24bc39e79d02d7e408f504784365e45462c40e1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24bc39e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild