$ git clone -n https://src.fedoraproject.org/rpms/shyaml.git /var/lib/mock/f40-build-2684193-67977/root/chroot_tmpdir/scmroot/shyaml
Cloning into '/var/lib/mock/f40-build-2684193-67977/root/chroot_tmpdir/scmroot/shyaml'...
$ git fetch origin f8867af6925b474daddd1ff875a2a562938dbdc7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shyaml
 * [new ref]         f8867af6925b474daddd1ff875a2a562938dbdc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8867af Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild