From 56b204e3c4a9efe0d71bad9cb5f6307e8c01cd6f Mon Sep 17 00:00:00 2001
From: Peder Bergebakken Sundt <pbsds@hotmail.com>
Date: Sun, 19 Jul 2026 14:07:58 +0200
Subject: [PATCH 1/3] rc: add readline and editline variants to passthru.tests

---
 pkgs/by-name/rc/rc/package.nix | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/rc/rc/package.nix b/pkgs/by-name/rc/rc/package.nix
index 95d3d3050ebc..daac9aaf2753 100644
--- a/pkgs/by-name/rc/rc/package.nix
+++ b/pkgs/by-name/rc/rc/package.nix
@@ -4,6 +4,7 @@
   fetchFromGitHub,
   fetchpatch2,
   pkgsStatic,
+  rc,
   byacc,
   ed,
   ncurses,
@@ -88,7 +89,21 @@ stdenv.mkDerivation (finalAttrs: {
 
   passthru = {
     shellPath = "/bin/rc";
-    tests.static = pkgsStatic.rc;
+    tests = {
+      static = pkgsStatic.rc;
+      readline = lib.optionalDrvAttr (!stdenv.hostPlatform.isDarwin) (
+        rc.override {
+          readlineSupport = true;
+          lineEditingLibrary = "readline";
+        }
+      );
+      editline = lib.optionalDrvAttr (!stdenv.hostPlatform.isDarwin) (
+        rc.override {
+          editlineSupport = true;
+          lineEditingLibrary = "editline";
+        }
+      );
+    };
   };
 
   meta = {

From 77e12b7f34fa3bcf591a8b1760826993a29c7a4a Mon Sep 17 00:00:00 2001
From: Dmitry Bogatov <kaction.cc@gmail.com>
Date: Tue, 21 Jul 2026 12:47:23 +0000
Subject: [PATCH 2/3] rc: link ncurses for static readline builds

Assisted-by: Claude <noreply@anthropic.com>
---
 pkgs/by-name/rc/rc/package.nix | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/pkgs/by-name/rc/rc/package.nix b/pkgs/by-name/rc/rc/package.nix
index daac9aaf2753..4d2c11a3cf61 100644
--- a/pkgs/by-name/rc/rc/package.nix
+++ b/pkgs/by-name/rc/rc/package.nix
@@ -12,8 +12,7 @@
   installShellFiles,
   historySupport ? true,
   readlineSupport ? true,
-  lineEditingLibrary ?
-    if (stdenv.hostPlatform.isDarwin || stdenv.hostPlatform.isStatic) then "null" else "readline",
+  lineEditingLibrary ? if stdenv.hostPlatform.isDarwin then "null" else "readline",
 }:
 
 assert lib.elem lineEditingLibrary [
@@ -74,7 +73,9 @@ stdenv.mkDerivation (finalAttrs: {
     "MANPREFIX=${placeholder "man"}/share/man"
     "CPPFLAGS=\"-DSIGCLD=SIGCHLD\""
     "EDIT=${lineEditingLibrary}"
-  ];
+  ]
+  # Required to fix static build, harmless for dynamic builds.
+  ++ lib.optional (lineEditingLibrary == "readline") "LDLIBS=-lncurses";
 
   buildFlags = [
     "all"

From 4f369389370895efc9836c3e9e85bb6375cc073b Mon Sep 17 00:00:00 2001
From: Dmitry Bogatov <kaction.cc@gmail.com>
Date: Sat, 21 Mar 2026 06:00:00 -0400
Subject: [PATCH 3/3] rc: fix build with "editline" library

---
 pkgs/by-name/rc/rc/package.nix | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/pkgs/by-name/rc/rc/package.nix b/pkgs/by-name/rc/rc/package.nix
index 4d2c11a3cf61..c8697d6bf930 100644
--- a/pkgs/by-name/rc/rc/package.nix
+++ b/pkgs/by-name/rc/rc/package.nix
@@ -9,9 +9,11 @@
   ed,
   ncurses,
   readline,
+  editline,
   installShellFiles,
   historySupport ? true,
   readlineSupport ? true,
+  editlineSupport ? false,
   lineEditingLibrary ? if stdenv.hostPlatform.isDarwin then "null" else "readline",
 }:
 
@@ -25,10 +27,10 @@ assert lib.elem lineEditingLibrary [
 assert
   !(lib.elem lineEditingLibrary [
     "edit"
-    "editline"
     "vrl"
   ]); # broken
 assert (lineEditingLibrary == "readline") -> readlineSupport;
+assert (lineEditingLibrary == "editline") -> editlineSupport;
 stdenv.mkDerivation (finalAttrs: {
   pname = "rc";
   version = "unstable-2025-10-01";
@@ -61,9 +63,8 @@ stdenv.mkDerivation (finalAttrs: {
   buildInputs = [
     ncurses
   ]
-  ++ lib.optionals readlineSupport [
-    readline
-  ];
+  ++ lib.optional readlineSupport readline
+  ++ lib.optional editlineSupport editline;
 
   strictDeps = true;