$ git clone -n https://src.fedoraproject.org/rpms/os-prober.git /var/lib/mock/f31-build-66442-29874/root/chroot_tmpdir/scmroot/os-prober
Cloning into '/var/lib/mock/f31-build-66442-29874/root/chroot_tmpdir/scmroot/os-prober'...
$ git reset --hard 139edfec1c45b9c42f888e9dd20e1935c691b4c2
HEAD is now at 139edfe - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild