$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-dash-to-dock.git /var/lib/mock/f41-build-side-1-2999487-36254/root/chroot_tmpdir/scmroot/gnome-shell-extension-dash-to-dock
Cloning into '/var/lib/mock/f41-build-side-1-2999487-36254/root/chroot_tmpdir/scmroot/gnome-shell-extension-dash-to-dock'...
$ git fetch origin e03c3f80fc35a343e2fab44e17ebded09c1f56f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-dash-to-dock
 * [new ref]         e03c3f80fc35a343e2fab44e17ebded09c1f56f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e03c3f8 dash-to-dock 99 (RHBZ#2316040)