$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-appindicator.git /var/lib/mock/f45-build-11480-432/root/chroot_tmpdir/scmroot/gnome-shell-extension-appindicator
Cloning into '/var/lib/mock/f45-build-11480-432/root/chroot_tmpdir/scmroot/gnome-shell-extension-appindicator'...
$ git fetch origin cb0dd46e836fc2780fb9a28f919db5c5a4fd3d06:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-appindicator
 * [new ref]         cb0dd46e836fc2780fb9a28f919db5c5a4fd3d06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb0dd46 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild