$ git clone -n https://src.fedoraproject.org/rpms/chemtool.git /var/lib/mock/f40-build-2275342-55071/root/chroot_tmpdir/scmroot/chemtool
Cloning into '/var/lib/mock/f40-build-2275342-55071/root/chroot_tmpdir/scmroot/chemtool'...
$ git fetch origin d160fd131b3e02f4c09ffd36a54906828ba92b35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chemtool
 * [new ref]         d160fd131b3e02f4c09ffd36a54906828ba92b35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d160fd1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild