$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-format.git /var/lib/mock/f40-build-2278843-55288/root/chroot_tmpdir/scmroot/gap-pkg-format
Cloning into '/var/lib/mock/f40-build-2278843-55288/root/chroot_tmpdir/scmroot/gap-pkg-format'...
$ git fetch origin e4f317ec8e82aff97ca790284508d966467b2f00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-format
 * [new ref]         e4f317ec8e82aff97ca790284508d966467b2f00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4f317e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild