$ git clone -n https://src.fedoraproject.org/rpms/fmtools.git /var/lib/mock/f40-build-754303-117632/root/chroot_tmpdir/scmroot/fmtools
Cloning into '/var/lib/mock/f40-build-754303-117632/root/chroot_tmpdir/scmroot/fmtools'...
$ git fetch origin d7bcfebeb466d1fec84bf7a318b18ae0352164b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fmtools
 * [new ref]         d7bcfebeb466d1fec84bf7a318b18ae0352164b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7bcfeb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild