$ git clone -n https://src.fedoraproject.org/rpms/gnome-chemistry-utils.git /var/lib/mock/f40-build-797635-141421/root/chroot_tmpdir/scmroot/gnome-chemistry-utils
Cloning into '/var/lib/mock/f40-build-797635-141421/root/chroot_tmpdir/scmroot/gnome-chemistry-utils'...
$ git fetch origin 2a42fd306e6b44ca110038727ba627b6aa9778b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-chemistry-utils
 * [new ref]         2a42fd306e6b44ca110038727ba627b6aa9778b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a42fd3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild