devShell:kakoune autocompile and forward search working

flake.nix

@@ -10,6 +10,8 @@
 
   outputs = {self, nixpkgs} :
   let
+    # name to be used as identifier for editor environments and such
+    name = "Name";
     #Generate a user-friendly version number.
     version = builtins.substring 0 8 self.lastModifiedDate;
 
@@ -22,6 +24,7 @@
     # Nixpkgs instantiated for supported system types.
     nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
 
+
   in {
     packages = forAllSystems (system:
       let
@@ -33,7 +36,7 @@
       in {
         default = pkgs.stdenvNoCC.mkDerivation {
           name = "output.pdf";
-          buildInputs = [latex latexrun];
+          buildInputs = [latex latexrun pkgs.biber];
           src = self;
           buildPhase = ''
             latexrun -o output.pdf src/Main.tex
@@ -48,19 +51,12 @@
     devShells = forAllSystems  (system:
       let
         pkgs = nixpkgsFor.${system};
-        # Needs to be in sync with latex dependencie above, Don't
-        # know how to fix this as we need to now the system to get
-        # the packages. The plus side is you can have different packages in your
-        # development environment than in your build one.
-        latexdeps = {inherit (pkgs.texlive) scheme-small;};
-        latex = pkgs.texlive.combine latexdeps;
-        latexrun = pkgs.latexrun;
-
       in ( rec {
         default = kakoune;
         kakoune =
           let
             texlab = pkgs.texlab;
+            latexTmpDir = "src/latex.out/";
             myKakoune =
                let
                  # this could also be done by generating toml with the
@@ -72,6 +68,18 @@
                      filetypes = ["latex"]
                      roots = [".git"]
                      command = "texlab"
+                     # args = ["-vvvv", "--log-file", "/tmp/texlabLog"]
+                     settings_section = "texlab"
+                     [language.latex.settings.texlab.build]
+                     onSave = true
+                     executable = "latexrun"
+                     args = ["--bibtex-cmd", "biber", "--latex-args", "'-synctex=1'","%f"]
+                     forwardSearchAfter = true
+                     [language.latex.settings.texlab.forwardSearch]
+                     executable = "zathura"
+                     args = ["--synctex-forward", "%l:1:%f", "%p"]
+                     [language.latex.settings.texlab]
+                     auxDirectory = "${latexTmpDir}"
                    '';
                  };
                  config = pkgs.writeTextFile (rec {
@@ -81,35 +89,43 @@
                      colorscheme solarized-dark
                      set global tabstop 2
                      set global indentwidth 2
+                     # eval %sh{kak-lsp  --kakoune --session $kak_session -c ${kak-lsp-config} --log /tmp/kak-lspLog -vvvv}
                      eval %sh{kak-lsp  --kakoune --session $kak_session -c ${kak-lsp-config}}
                      hook global WinSetOption filetype=(latex) %{
                        lsp-auto-hover-enable
-                       lsb-enable-window
+                       lsp-enable-window
                      }
+                     add-highlighter global/ number-lines
+                     map global normal <c-p> ': fzf-mode<ret>'
                    '';
                  });
                in
                  pkgs.kakoune.override {
-                   plugins = with pkgs.kakounePlugins; [kak-lsp config];
+                   plugins = with pkgs.kakounePlugins; [fzf-kak kak-lsp config];
                  };
           in
             pkgs.mkShellNoCC {
-              packages = [myKakoune texlab pkgs.git latex latexrun pkgs.zathura];
+              inputsFrom = [self.outputs.packages.${system}.default];
+              packages = [myKakoune texlab pkgs.git pkgs.zathura pkgs.fzf];
               shellHook = ''
                 alias ..="cd .."
-                export KAKOUNE_CONFIG_DIR="/your/user/config/directory"
-                kak -d -s latexPackage &
-                alias vim="kak -c latexPackage"
+                mkdir -p ${latexTmpDir}
+                touch /tmp/texlabLog
+                export KAKOUNE_CONFIG_DIR="/dev/null/"
+                kak -d -s ${name} &
+                alias vim="kak -c ${name}"
               '';
         };
         texstudio =
           pkgs.mkShellNoCC {
-            packages = [pkgs.texstudio pkgs.git latex latexrun];
+            inputsFrom = [self.outputs.packages.${system}.default];
+            packages = [pkgs.texstudio pkgs.git];
         };
 
         texmaker =
           pkgs.mkShellNoCC {
-            packages = [pkgs.texmaker pkgs.git latex latexrun];
+            inputsFrom = [self.outputs.packages.${system}.default];
+            packages = [pkgs.texmaker pkgs.git];
         };
       })
     );

src/Main.tex

@@ -1,4 +1,4 @@
 \documentclass{scrartcl}
 \begin{document}
-  Hi
+  Hallo Welt!
 \end{document}