$ git clone -n https://src.fedoraproject.org/rpms/scl-utils-build-helpers.git /var/lib/mock/f42-build-side-1-3585978-46912/root/chroot_tmpdir/scmroot/scl-utils-build-helpers
Cloning into '/var/lib/mock/f42-build-side-1-3585978-46912/root/chroot_tmpdir/scmroot/scl-utils-build-helpers'...
$ git fetch origin e9b6fab6d46b0a56a1045d22eda450d3c73ff077:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scl-utils-build-helpers
 * [new ref]         e9b6fab6d46b0a56a1045d22eda450d3c73ff077 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9b6fab Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild