$ git clone -n https://src.fedoraproject.org/rpms/kmail.git /var/lib/mock/f41-build-861767-170046/root/chroot_tmpdir/scmroot/kmail
Cloning into '/var/lib/mock/f41-build-861767-170046/root/chroot_tmpdir/scmroot/kmail'...
$ git fetch origin 75911d9c44a7a0bd84b63fddb0524a0c93f4a8cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmail
 * [new ref]         75911d9c44a7a0bd84b63fddb0524a0c93f4a8cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75911d9 24.08.3