$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Report.git /var/lib/mock/f40-build-2016450-46195/root/chroot_tmpdir/scmroot/perl-Data-Report
Cloning into '/var/lib/mock/f40-build-2016450-46195/root/chroot_tmpdir/scmroot/perl-Data-Report'...
$ git fetch origin c7c75dd2a0b07b25c863d400ba5fa796f8b04279:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Report
 * [new ref]         c7c75dd2a0b07b25c863d400ba5fa796f8b04279 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7c75dd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild