$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Munge.git /var/lib/mock/f45-build-22885-594/root/chroot_tmpdir/scmroot/perl-Data-Munge
Cloning into '/var/lib/mock/f45-build-22885-594/root/chroot_tmpdir/scmroot/perl-Data-Munge'...
$ git fetch origin 526a848ac61261370bd753cde65dfe9169f26633:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Munge
 * [new ref]         526a848ac61261370bd753cde65dfe9169f26633 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 526a848 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild