$ git clone -n https://src.fedoraproject.org/rpms/perl-POSIX-2008.git /var/lib/mock/f31-build-68719-30218/root/chroot_tmpdir/scmroot/perl-POSIX-2008
Cloning into '/var/lib/mock/f31-build-68719-30218/root/chroot_tmpdir/scmroot/perl-POSIX-2008'...
$ git reset --hard fd57844e9b2c04a3194ae331e3c5d731eec63bf0
HEAD is now at fd57844 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild