$ git clone -n https://src.fedoraproject.org/rpms/perl-Alien-pkgconf.git /var/lib/mock/f31-build-68191-30167/root/chroot_tmpdir/scmroot/perl-Alien-pkgconf
Cloning into '/var/lib/mock/f31-build-68191-30167/root/chroot_tmpdir/scmroot/perl-Alien-pkgconf'...
$ git reset --hard 8ddcc4ea220cfaf15339e72d4f7d4cdfd9b0f83e
HEAD is now at 8ddcc4e - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild