Fix SIGPIPE handling; bump to v0.1.1.

CHANGELOG.md

@@ -1,6 +1,10 @@
 # nvd changelog
 
-## 0.1.0
+## 0.1.1 (2021-05-16)
+
+- Fix handling of SIGPIPE to exit cleanly.
+
+## 0.1.0 (2021-05-16)
 
 - Add a mandatory action argument to the CLI.  The existing diff functionality
   is under the `diff` command.  A new `list` command is now implemented as well

default.nix

@@ -4,7 +4,7 @@ let
 in
 stdenv.mkDerivation {
   pname = "nvd";
-  version = "0.1.0";
+  version = "0.1.1";
 
   src = nix-gitignore.gitignoreSourcePure [ ./.gitignore ] ./src;
 

src/nvd

@@ -45,10 +45,13 @@ import subprocess
 import sys
 from collections import namedtuple
 from pathlib import Path
+from signal import SIGPIPE, SIG_DFL, signal
 from subprocess import PIPE
 from typing import Dict, List, Optional, Tuple, Union
 
-NVD_VERSION = "0.1.0"
+signal(SIGPIPE, SIG_DFL)  # Python handles SIGPIPE improperly by default.
+
+NVD_VERSION = "0.1.1"
 
 USE_COLOUR = False
 

src/nvd.1

@@ -1,4 +1,4 @@
-.TH nvd 1 2021-05-16 nvd-0.1.0 "User Commands"
+.TH nvd 1 2021-05-16 nvd-0.1.1 "User Commands"
 .SH NAME
 nvd \- Nix/NixOS package version diff tool
 .SH SYNOPSIS