$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-Refresh.git /var/lib/mock/f40-build-2621376-64773/root/chroot_tmpdir/scmroot/perl-Class-Refresh
Cloning into '/var/lib/mock/f40-build-2621376-64773/root/chroot_tmpdir/scmroot/perl-Class-Refresh'...
$ git fetch origin 7fa1d14b52b19a059ac8cac9f825247a8884fdc3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-Refresh
 * [new ref]         7fa1d14b52b19a059ac8cac9f825247a8884fdc3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fa1d14 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild