$ git clone -n https://src.fedoraproject.org/rpms/vim-command-t.git /var/lib/mock/f45-build-38029-719/root/chroot_tmpdir/scmroot/vim-command-t
Cloning into '/var/lib/mock/f45-build-38029-719/root/chroot_tmpdir/scmroot/vim-command-t'...
$ git fetch origin 72705c75807ec4b9ef9e6e9404861b627a999bc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vim-command-t
 * [new ref]         72705c75807ec4b9ef9e6e9404861b627a999bc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72705c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild