$ git clone -n https://src.fedoraproject.org/rpms/libpagemap.git /var/lib/mock/f31-build-69886-30371/root/chroot_tmpdir/scmroot/libpagemap
Cloning into '/var/lib/mock/f31-build-69886-30371/root/chroot_tmpdir/scmroot/libpagemap'...
$ git reset --hard 24c4c0c3e0ee6bdc41d134d1ae18efa094125818
HEAD is now at 24c4c0c Add missing BuildRequires on gcc