$ git clone -n https://src.fedoraproject.org/rpms/gnome-epub-thumbnailer.git /var/lib/mock/f31-build-55844-28156/root/chroot_tmpdir/scmroot/gnome-epub-thumbnailer
Cloning into '/var/lib/mock/f31-build-55844-28156/root/chroot_tmpdir/scmroot/gnome-epub-thumbnailer'...
$ git reset --hard 7e00c396d99d0844ffdb843ff9710293d325f67b
HEAD is now at 7e00c39 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild