$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-PlanePath.git /var/lib/mock/f39-build-1451090-32790/root/chroot_tmpdir/scmroot/perl-Math-PlanePath
Cloning into '/var/lib/mock/f39-build-1451090-32790/root/chroot_tmpdir/scmroot/perl-Math-PlanePath'...
$ git fetch origin 6494121501f0ebf666db1f616116ce56464ddbcd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-PlanePath
 * [new ref]         6494121501f0ebf666db1f616116ce56464ddbcd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6494121 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild