$ git clone -n https://src.fedoraproject.org/rpms/raw-thumbnailer.git /var/lib/mock/f31-build-84936-31581/root/chroot_tmpdir/scmroot/raw-thumbnailer
Cloning into '/var/lib/mock/f31-build-84936-31581/root/chroot_tmpdir/scmroot/raw-thumbnailer'...
$ git reset --hard ab387d793b960d272815120166cce2a2d100bc3c
HEAD is now at ab387d7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild