$ git clone -n https://src.fedoraproject.org/rpms/fruit.git /var/lib/mock/f45-build-9301-401/root/chroot_tmpdir/scmroot/fruit
Cloning into '/var/lib/mock/f45-build-9301-401/root/chroot_tmpdir/scmroot/fruit'...
$ git fetch origin 3c454045cc3525a8ff6f131944439d2d808a3643:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fruit
 * [new ref]         3c454045cc3525a8ff6f131944439d2d808a3643 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c45404 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild