From 6e577ff4047593b0917604f81c9788e48bfabe91 Mon Sep 17 00:00:00 2001
From: Kira Bruneau <kira.bruneau@pm.me>
Date: Tue, 2 Aug 2022 21:46:55 -0400
Subject: [PATCH] =?UTF-8?q?texlab:=204.2.0=20=E2=86=92=204.2.1?=
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---
 .../development/tools/misc/texlab/default.nix | 23 ++++++++++++++-----
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/tools/misc/texlab/default.nix b/pkgs/development/tools/misc/texlab/default.nix
index 229c2b68f62b..00d12e182831 100644
--- a/pkgs/development/tools/misc/texlab/default.nix
+++ b/pkgs/development/tools/misc/texlab/default.nix
@@ -2,6 +2,7 @@
 , stdenv
 , rustPlatform
 , fetchFromGitHub
+, help2man
 , installShellFiles
 , libiconv
 , Security
@@ -11,24 +12,34 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "texlab";
-  version = "4.2.0";
+  version = "4.2.1";
 
   src = fetchFromGitHub {
     owner = "latex-lsp";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-oYM+OAYjQ8aNAryg0Cthj14BsxMFnOtz38XdUQZZolk=";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-za3TauhNoxGDphpY615EnTt46HpMgS+sYpBln/twefw=";
   };
 
-  cargoSha256 = "sha256-TDGiqC9eNIJfLTc1R3nvE84rAsVE8jtTaeQbVNMeVgg=";
+  cargoSha256 = "sha256-wppaa3IGOqkFu/1CAp8g+PlPtMWm/7qNpPu0k4/mL3A=";
 
   outputs = [ "out" "man" ];
 
-  nativeBuildInputs = [ installShellFiles ];
+  nativeBuildInputs = [
+    help2man
+    installShellFiles
+  ];
 
-  buildInputs = lib.optionals stdenv.isDarwin [ libiconv Security CoreServices ];
+  buildInputs = lib.optionals stdenv.isDarwin [
+    libiconv
+    Security
+    CoreServices
+  ];
 
   postInstall = ''
+    # TexLab builds man page separately in CI:
+    # https://github.com/latex-lsp/texlab/blob/v4.2.1/.github/workflows/publish.yml#L131-L135
+    help2man --no-info "$out/bin/texlab" > texlab.1
     installManPage texlab.1
 
     # Remove generated dylib of human_name dependency. TexLab statically