$ git clone -n https://src.fedoraproject.org/rpms/perl-Color-Calc.git /var/lib/mock/f40-build-2621493-64781/root/chroot_tmpdir/scmroot/perl-Color-Calc
Cloning into '/var/lib/mock/f40-build-2621493-64781/root/chroot_tmpdir/scmroot/perl-Color-Calc'...
$ git fetch origin 97ddf84900d10e202a9607eafb1c7f8293134414:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Color-Calc
 * [new ref]         97ddf84900d10e202a9607eafb1c7f8293134414 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97ddf84 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild