$ git clone -n https://src.fedoraproject.org/rpms/perl-Cache-FastMmap.git /var/lib/mock/f31-build-45316-26308/root/chroot_tmpdir/scmroot/perl-Cache-FastMmap
Cloning into '/var/lib/mock/f31-build-45316-26308/root/chroot_tmpdir/scmroot/perl-Cache-FastMmap'...
$ git reset --hard 11579388aec7ba98345505f14258d2e07b57468a
HEAD is now at 1157938 Perl 5.30 rebuild