From d32d994cc195858ec6569011a642d29350241edc Mon Sep 17 00:00:00 2001
From: sudosubin <sudosubin@gmail.com>
Date: Sun, 16 Jan 2022 22:31:42 +0900
Subject: [PATCH 1/2] pipenv: add pipenv shell completions

---
 pkgs/development/tools/pipenv/default.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/development/tools/pipenv/default.nix b/pkgs/development/tools/pipenv/default.nix
index 1c09bb502a23..c9590c7fa5ee 100644
--- a/pkgs/development/tools/pipenv/default.nix
+++ b/pkgs/development/tools/pipenv/default.nix
@@ -38,6 +38,17 @@ in buildPythonApplication rec {
 
   propagatedBuildInputs = runtimeDeps python3.pkgs;
 
+  postInstall = ''
+    mkdir -p "$out/share/bash-completion/completions"
+    _PIPENV_COMPLETE=bash_source "$out/bin/pipenv" > "$out/share/bash-completion/completions/pipenv"
+
+    mkdir -p "$out/share/zsh/vendor-completions"
+    _PIPENV_COMPLETE=zsh_source "$out/bin/pipenv" > "$out/share/zsh/vendor-completions/_pipenv"
+
+    mkdir -p "$out/share/fish/vendor_completions.d"
+    _PIPENV_COMPLETE=fish_source "$out/bin/pipenv" > "$out/share/fish/vendor_completions.d/pipenv.fish"
+  '';
+
   doCheck = true;
   checkPhase = ''
     export HOME=$(mktemp -d)

From 617f6e0a8b3f2411db670a50ca8af0743e8f0af7 Mon Sep 17 00:00:00 2001
From: sudosubin <sudosubin@gmail.com>
Date: Wed, 19 Jan 2022 00:16:39 +0900
Subject: [PATCH 2/2] pipenv: refact to use installShellCompletion

---
 pkgs/development/tools/pipenv/default.nix | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/pkgs/development/tools/pipenv/default.nix b/pkgs/development/tools/pipenv/default.nix
index c9590c7fa5ee..9d2d9b3962c0 100644
--- a/pkgs/development/tools/pipenv/default.nix
+++ b/pkgs/development/tools/pipenv/default.nix
@@ -1,5 +1,6 @@
 { lib
 , python3
+, installShellFiles
 }:
 
 with python3.pkgs;
@@ -27,6 +28,8 @@ in buildPythonApplication rec {
 
   LC_ALL = "en_US.UTF-8";
 
+  nativeBuildInputs = [ installShellFiles ];
+
   postPatch = ''
     # pipenv invokes python in a subprocess to create a virtualenv
     # and to call setup.py.
@@ -39,14 +42,10 @@ in buildPythonApplication rec {
   propagatedBuildInputs = runtimeDeps python3.pkgs;
 
   postInstall = ''
-    mkdir -p "$out/share/bash-completion/completions"
-    _PIPENV_COMPLETE=bash_source "$out/bin/pipenv" > "$out/share/bash-completion/completions/pipenv"
-
-    mkdir -p "$out/share/zsh/vendor-completions"
-    _PIPENV_COMPLETE=zsh_source "$out/bin/pipenv" > "$out/share/zsh/vendor-completions/_pipenv"
-
-    mkdir -p "$out/share/fish/vendor_completions.d"
-    _PIPENV_COMPLETE=fish_source "$out/bin/pipenv" > "$out/share/fish/vendor_completions.d/pipenv.fish"
+    installShellCompletion --cmd pipenv \
+      --bash <(_PIPENV_COMPLETE=bash_source $out/bin/pipenv) \
+      --zsh <(_PIPENV_COMPLETE=zsh_source $out/bin/pipenv) \
+      --fish <(_PIPENV_COMPLETE=fish_source $out/bin/pipenv)
   '';
 
   doCheck = true;