pre-commit-hook-check-MANIFEST

#!/bin/sh
#
# Checks that any files added are also added to the MANIFEST

if git-rev-parse --verify HEAD 2>/dev/null
then
        git diff-index -M --name-status HEAD --
else
        # NEEDSWORK: we should produce a diff with an empty tree here
        # if we want to do the same verification for the initial import.
        :
fi |
/usr/bin/perl -we '
    my @added;
    while (<>) {
        my ($status, $name) = split /\s+/;
        push @added, $name if $status eq "A";
    }
    exit 0 unless @added;
    open my $fh, "<", "MANIFEST";
    my %manifest = map { $_ => 1 } map { m{^(\S+)\s} } <$fh>;
    my @missing = grep { ! $manifest{$_} } @added;
    exit 0 unless @missing;
    die "Files are missing from MANIFEST:\n" . join("\n",@missing) . "\n";
'