From 347bf168da0066f5c3e8b1f592a5a97edd451879 Mon Sep 17 00:00:00 2001
From: Profpatsch <mail@profpatsch.de>
Date: Mon, 3 Jun 2019 15:50:48 +0200
Subject: [PATCH 1/2] iperf3: symlink manpage to iperf & split man output

Closes: https://github.com/NixOS/nixpkgs/issues/62255
---
 pkgs/tools/networking/iperf/3.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/networking/iperf/3.nix b/pkgs/tools/networking/iperf/3.nix
index 9082a484aa5..46e0154a004 100644
--- a/pkgs/tools/networking/iperf/3.nix
+++ b/pkgs/tools/networking/iperf/3.nix
@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ openssl ];
 
+  outputs = [ "out" "man" ];
+
   patches = stdenv.lib.optionals stdenv.hostPlatform.isMusl [
     (fetchpatch {
       url = "https://git.alpinelinux.org/aports/plain/main/iperf3/remove-pg-flags.patch?id=99ec9e1c84e338629cf1b27b0fdc808bde4d8564";
@@ -19,7 +21,8 @@ stdenv.mkDerivation rec {
   ];
 
   postInstall = ''
-    ln -s iperf3 $out/bin/iperf
+    ln -s $out/bin/iperf3 $out/bin/iperf
+    ln -s $man/share/man/man1/iperf3.1 $man/share/man/man1/iperf.1
   '';
 
   meta = with stdenv.lib; {

From ff132824f2ede76b8071c9350594122d92f9562a Mon Sep 17 00:00:00 2001
From: Profpatsch <mail@profpatsch.de>
Date: Tue, 4 Jun 2019 14:37:04 +0200
Subject: [PATCH 2/2] iperf2: make binary symlink & prioritize iperf3

If both are in the environment, iperf3 should be used as `bin/iperf`
by default, for more consistency.
---
 pkgs/tools/networking/iperf/2.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/tools/networking/iperf/2.nix b/pkgs/tools/networking/iperf/2.nix
index 9faa0f95351..6494b907a3a 100644
--- a/pkgs/tools/networking/iperf/2.nix
+++ b/pkgs/tools/networking/iperf/2.nix
@@ -11,10 +11,18 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
   configureFlags = [ "--enable-fastsampling" ];
 
+  postInstall = ''
+    mv $out/bin/iperf $out/bin/iperf2
+    ln -s $out/bin/iperf2 $out/bin/iperf
+  '';
+
   meta = with stdenv.lib; {
     homepage = https://sourceforge.net/projects/iperf/;
     description = "Tool to measure IP bandwidth using UDP or TCP";
     platforms = platforms.unix;
     license = licenses.mit;
+
+    # prioritize iperf3
+    priority = 10;
   };
 }