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#!/usr/bin/perl
# notmuch-extract-patch -- extract a git patch series from notmuch
#
# Copyright (C) 2020 Sean Whitton
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use 5.028;
use strict;
use warnings;
use IO::Pipe;
my (@ARGV_notmuch, @ARGV_extract, $no_more_extract);
for (@ARGV) {
if (/\A--\z/) {
$no_more_extract = 1;
} elsif (/\A-/ and not $no_more_extract) {
push @ARGV_extract, $_;
} else {
push @ARGV_notmuch, $_;
}
}
$SIG{CHLD} = "IGNORE";
my $pipe = IO::Pipe->new;
my $notmuch_pid = fork;
die "fork() failed: $!" unless defined $notmuch_pid;
unless ($notmuch_pid) {
$pipe->writer;
open STDOUT, ">&=", $pipe->fileno
or die "couldn't reopen child's STDOUT: $!";
exec qw(notmuch show --format=mbox), @ARGV_notmuch;
}
$pipe->reader;
open STDIN, "<&=", $pipe->fileno
or die "couldn't reopen parent's STDIN: $!";
exec "mbox-extract-patch", @ARGV_extract;
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