$ git clone -n https://src.fedoraproject.org/rpms/perl-B-Generate.git /var/lib/mock/f31-build-45507-26354/root/chroot_tmpdir/scmroot/perl-B-Generate
Cloning into '/var/lib/mock/f31-build-45507-26354/root/chroot_tmpdir/scmroot/perl-B-Generate'...
$ git reset --hard 25f19672f8010a0802cf6396277897cbbceddca8
HEAD is now at 25f1967 Perl 5.30 rebuild