$ git clone -n https://src.fedoraproject.org/rpms/isl.git /var/lib/mock/f40-build-747449-113175/root/chroot_tmpdir/scmroot/isl
Cloning into '/var/lib/mock/f40-build-747449-113175/root/chroot_tmpdir/scmroot/isl'...
$ git fetch origin ca0d8fef196ff5c9205020617ab62d95dfd52693:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/isl
 * [new ref]         ca0d8fef196ff5c9205020617ab62d95dfd52693 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca0d8fe Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild