$ git clone -n https://src.fedoraproject.org/rpms/pkgconf.git /var/lib/mock/f42-build-867604-175664/root/chroot_tmpdir/scmroot/pkgconf
Cloning into '/var/lib/mock/f42-build-867604-175664/root/chroot_tmpdir/scmroot/pkgconf'...
$ git fetch origin c9f01eb77bd52bbce28e1aa9157dd36dd869519e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pkgconf
 * [new ref]         c9f01eb77bd52bbce28e1aa9157dd36dd869519e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9f01eb Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild