$ git clone -n https://src.fedoraproject.org/rpms/gnome-applets.git /var/lib/mock/f39-build-2118302-50726/root/chroot_tmpdir/scmroot/gnome-applets
Cloning into '/var/lib/mock/f39-build-2118302-50726/root/chroot_tmpdir/scmroot/gnome-applets'...
$ git fetch origin 2166f417281fb4ecaa817f5195ebcdace864ef79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-applets
 * [new ref]         2166f417281fb4ecaa817f5195ebcdace864ef79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2166f41 Rebuild due rh#2251472