$ git clone -n https://src.fedoraproject.org/rpms/automoc.git /var/lib/mock/f40-build-793693-139150/root/chroot_tmpdir/scmroot/automoc
Cloning into '/var/lib/mock/f40-build-793693-139150/root/chroot_tmpdir/scmroot/automoc'...
$ git fetch origin b77cf69944d0afbe563aeed773b6834d016d53a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/automoc
 * [new ref]         b77cf69944d0afbe563aeed773b6834d016d53a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b77cf69 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild