From 403a240615f2c98c768f4c43d93961d077700d19 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Fri, 10 Nov 2023 13:19:08 +0100
Subject: [PATCH] python311Packages.bash-kernel: fix build

Substitute the bash path more carefully, as not all quoted bash strings
are meant to be paths.
---
 .../bash-kernel/bash-path.patch               | 22 ++++++++++++
 .../python-modules/bash-kernel/default.nix    | 34 +++++++++----------
 2 files changed, 38 insertions(+), 18 deletions(-)
 create mode 100644 pkgs/development/python-modules/bash-kernel/bash-path.patch

diff --git a/pkgs/development/python-modules/bash-kernel/bash-path.patch b/pkgs/development/python-modules/bash-kernel/bash-path.patch
new file mode 100644
index 000000000000..98c3cc511ab7
--- /dev/null
+++ b/pkgs/development/python-modules/bash-kernel/bash-path.patch
@@ -0,0 +1,22 @@
+diff --git a/bash_kernel/kernel.py b/bash_kernel/kernel.py
+index 0496f1e..bd13c4f 100644
+--- a/bash_kernel/kernel.py
++++ b/bash_kernel/kernel.py
+@@ -88,7 +88,7 @@ class BashKernel(Kernel):
+     @property
+     def banner(self):
+         if self._banner is None:
+-            self._banner = check_output(['bash', '--version']).decode('utf-8')
++            self._banner = check_output(['@bash@', '--version']).decode('utf-8')
+         return self._banner
+ 
+     language_info = {'name': 'bash',
+@@ -116,7 +116,7 @@ class BashKernel(Kernel):
+             # source code there for comments and context for
+             # understanding the code here.
+             bashrc = os.path.join(os.path.dirname(pexpect.__file__), 'bashrc.sh')
+-            child = pexpect.spawn("bash", ['--rcfile', bashrc], echo=False,
++            child = pexpect.spawn("@bash@", ['--rcfile', bashrc], echo=False,
+                                   encoding='utf-8', codec_errors='replace')
+             # Following comment stolen from upstream's REPLWrap:
+             # If the user runs 'env', the value of PS1 will be in the output. To avoid
diff --git a/pkgs/development/python-modules/bash-kernel/default.nix b/pkgs/development/python-modules/bash-kernel/default.nix
index a9ef9615411f..1c50b151f01e 100644
--- a/pkgs/development/python-modules/bash-kernel/default.nix
+++ b/pkgs/development/python-modules/bash-kernel/default.nix
@@ -4,43 +4,38 @@
 , fetchpatch
 , flit-core
 , ipykernel
-, isPy27
 , python
 , pexpect
 , bash
+, substituteAll
 }:
 
 buildPythonPackage rec {
   pname = "bash-kernel";
   version = "0.9.1";
-  format = "flit";
-  disabled = isPy27;
+  pyproject = true;
 
   src = fetchPypi {
     pname = "bash_kernel";
     inherit version;
-    sha256 = "sha256-AYPVPjYP+baEcQUqmiiagWIXMlFrA04njpcgtdFaFis=";
+    hash = "sha256-AYPVPjYP+baEcQUqmiiagWIXMlFrA04njpcgtdFaFis=";
   };
 
   patches = [
-    (fetchpatch {
-      url = "https://patch-diff.githubusercontent.com/raw/takluyver/bash_kernel/pull/69.diff";
-      sha256 = "1qd7qjjmcph4dk6j0bl31h2fdmfiyyazvrc9xqqj8y21ki2sl33j";
+    (substituteAll {
+      src = ./bash-path.patch;
+      bash = lib.getExe bash;
     })
   ];
 
-  postPatch = ''
-    substituteInPlace bash_kernel/kernel.py \
-      --replace "'bash'" "'${bash}/bin/bash'" \
-      --replace "\"bash\"" "'${bash}/bin/bash'"
-  '';
+  nativeBuildInputs = [
+    flit-core
+  ];
 
-  nativeBuildInputs = [ flit-core ];
-
-  propagatedBuildInputs = [ ipykernel pexpect ];
-
-  # no tests
-  doCheck = false;
+  propagatedBuildInputs = [
+    ipykernel
+    pexpect
+  ];
 
   preBuild = ''
     export HOME=$TMPDIR
@@ -50,6 +45,9 @@ buildPythonPackage rec {
     ${python.pythonOnBuildForHost.interpreter} -m bash_kernel.install --prefix $out
   '';
 
+  # no tests
+  doCheck = false;
+
   meta = with lib; {
     description = "Bash Kernel for Jupyter";
     homepage = "https://github.com/takluyver/bash_kernel";