$ git clone -n https://src.fedoraproject.org/rpms/wmCalClock.git /var/lib/mock/f40-build-790046-136250/root/chroot_tmpdir/scmroot/wmCalClock
Cloning into '/var/lib/mock/f40-build-790046-136250/root/chroot_tmpdir/scmroot/wmCalClock'...
$ git fetch origin cb1991c2f26ddab15946782c1983be5bfdfdbe2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wmCalClock
 * [new ref]         cb1991c2f26ddab15946782c1983be5bfdfdbe2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb1991c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild