$ git clone -n https://src.fedoraproject.org/rpms/jpegoptim.git /var/lib/mock/f31-build-112706-34301/root/chroot_tmpdir/scmroot/jpegoptim
Cloning into '/var/lib/mock/f31-build-112706-34301/root/chroot_tmpdir/scmroot/jpegoptim'...
$ git reset --hard 7a6ef753ee04bfa421e5e51610659c856b89f506
HEAD is now at 7a6ef75 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild