unify home-manager configurations of workmac and main laptop

- manually inspected changes of "workmac" branch
- modularised out some config parts into modules

home/common.nix

@@ -0,0 +1,149 @@
+{
+  pkgs,
+  inputs,
+  config,
+  system,
+  ...
+}:
+{
+  imports = [
+    ./modules/packages.nix
+    ./modules/vscodium.nix
+  ];
+  home.homeDirectory =
+    if pkgs.stdenv.isDarwin then "/Users/${config.home.username}" else "/home/${config.home.username}";
+  programs.home-manager.enable = true;
+
+  programs.bat.enable = true;
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+    enableZshIntegration = true;
+  };
+
+  programs.tmux = {
+    enable = true;
+    keyMode = "vi";
+    extraConfig =
+      # for direnv not messing up the environment
+      ''
+        set-option -g update-environment "DIRENV_DIFF DIRENV_DIR DIRENV_WATCHES"
+                  set-environment -gu DIRENV_DIFF
+                  set-environment -gu DIRENV_DIR
+                  set-environment -gu DIRENV_WATCHES
+                  set-environment -gu DIRENV_LAYOUT
+                
+                  bind-key -T copy-mode-vi 'v' send -X begin-selection
+                  bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel'';
+    terminal = "screen-256color";
+  };
+
+  # for backwards compatibility
+  services.lorri.enable = true;
+
+  fonts.fontconfig.enable = true;
+
+  programs.git = {
+    enable = true;
+    extraConfig = {
+      credential.helper = "cache";
+      push.default = "simple";
+      init.defaultBranch = "mainline";
+      diff.tool = "vimdiff";
+      merge.tool = "vimdiff";
+      core.excludesfile = toString (
+        pkgs.writeText ".gitignore_global" ''
+          # Direnv stuff
+          .direnv
+          .envrc
+          # Editor files #
+          ################
+          *~
+          *.swp
+          *.swo
+        ''
+      );
+      core.whitespace = "-blank-at-eol,blank-at-eof,space-before-tab";
+    };
+    lfs.enable = true;
+    delta = {
+      enable = true;
+      options = {
+        line-numbers = true;
+        side-by-side = true;
+        #dark = true;
+      };
+    };
+  };
+
+  # shell config
+  programs.zsh = {
+    enable = true;
+    syntaxHighlighting.enable = true;
+    history.ignoreSpace = true;
+    initExtra = ''
+      # Uncomment following line if you want red dots to be displayed while waiting for completion
+      COMPLETION_WAITING_DOTS="true"
+      ### Fix slowness of pastes with zsh-syntax-highlighting.zsh
+      pasteinit() {
+        OLD_SELF_INSERT=''${''${(s.:.)widgets[self-insert]}[2,3]}
+        zle -N self-insert url-quote-magic # I wonder if you'd need `.url-quote-magic`?
+      }
+
+      pastefinish() {
+        zle -N self-insert $OLD_SELF_INSERT
+      }
+      zstyle :bracketed-paste-magic paste-init pasteinit
+      zstyle :bracketed-paste-magic paste-finish pastefinish
+
+      # automatic rehash of path completion
+      zstyle ':completion:*' rehash true
+
+      eval "$(${pkgs.thefuck}/bin/thefuck --alias)"
+
+      ##  helper functions
+      nixify() {
+        if [ ! -e ./.envrc ]; then
+          echo "eval \"$(lorri direnv)\"" > .envrc
+          direnv allow
+        fi
+        if [ ! -e shell.nix ]; then
+          cat > shell.nix <<'EOF'
+      with import <nixpkgs> {};
+      mkShell {
+        buildInputs = [
+          bashInteractive
+        ];
+      }
+      EOF
+          ${"EDITOR:-vim"} default.nix
+        fi
+      }
+
+      binpath() {
+        realpath $(${pkgs.which}/bin/which $1)
+      }
+    '';
+
+    oh-my-zsh = {
+      enable = true;
+      theme = "bira";
+      plugins = [
+        "git"
+        "python"
+        "systemd"
+        "gpg-agent"
+      ];
+    };
+  };
+  home.shellAliases = {
+    ip = "ip --color";
+    ipb = "ip --color --brief";
+    ll = "ls -l";
+    wavesynth = "nix-shell -p sox --run 'play -n synth brownnoise synth pinknoise mix synth 0 0 0 15 40 80 trapezium amod 0.2 20'";
+    vim = "nvim";
+  };
+  home.sessionVariables = {
+    EDITOR = "nvim";
+  };
+}