$ git clone -n https://src.fedoraproject.org/rpms/perl-Boost-Geometry-Utils.git /var/lib/mock/f42-build-876578-179725/root/chroot_tmpdir/scmroot/perl-Boost-Geometry-Utils
Cloning into '/var/lib/mock/f42-build-876578-179725/root/chroot_tmpdir/scmroot/perl-Boost-Geometry-Utils'...
$ git fetch origin e1a9058797edd4c997bc13a8ff3c9843c50e64c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Boost-Geometry-Utils
 * [new ref]         e1a9058797edd4c997bc13a8ff3c9843c50e64c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1a9058 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild