$ git clone -n https://src.fedoraproject.org/rpms/iyfct.git /var/lib/mock/f38-build-side-42-init-devel-919010-28734/root/chroot_tmpdir/scmroot/iyfct
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-919010-28734/root/chroot_tmpdir/scmroot/iyfct'...
$ git fetch origin c0552cfc0d7fd7655ee1bbecf01be07e09153483:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iyfct
 * [new ref]         c0552cfc0d7fd7655ee1bbecf01be07e09153483 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0552cf Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild