$ git clone -n https://src.fedoraproject.org/rpms/is-it-in-rhel.git /var/lib/mock/f40-build-2004856-45004/root/chroot_tmpdir/scmroot/is-it-in-rhel
Cloning into '/var/lib/mock/f40-build-2004856-45004/root/chroot_tmpdir/scmroot/is-it-in-rhel'...
$ git fetch origin a2ee4685eaafa1d26d7dba4130218ce6d80774e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/is-it-in-rhel
 * [new ref]         a2ee4685eaafa1d26d7dba4130218ce6d80774e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2ee468 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild