Start moving emacs configuration to nix.

pkgs/pkgsets/emacs/company.nix

@@ -0,0 +1,19 @@
+{ config, ... }:
+
+mkIf (elem "emacs-company" config.machine.pkgs) {
+  programs.emacs.init.usePackage.company = {
+    enable = true;
+    diminish = [ "company-mode" ];
+    hook = [ "(after-init . global-company-mode)" ];
+    bind = { "\t" = "'company-complete-common"; };
+    config = ''
+      (setq company-idle-delay 0.3
+            company-show-numbers t)
+    '';
+    extraConfig = ''
+      :bind (:map company-mode-map
+                  ([remap completion-at-point] . company-complete-common)
+                  ([remap complete-symbol] . company-complete-common))
+    '';
+  };
+}

pkgs/pkgsets/emacs/flyspell.nix

@@ -0,0 +1,28 @@
+{ config, ... }:
+
+mkIf (elem "emacs-flyspell" config.machine.pkgs) {
+  programs.emacs.init.usePackage.flyspell = {
+    enable = true;
+    diminish = [ "flyspell-mode" ];
+    command = [ "flyspell-mode" "flyspell-prog-mode" ];
+    hook = [];
+    bind = {
+      "C-M-<tab>" = "flyspell-switch-dictionary";
+      "C-c f" = "ispell-word";
+    };
+    config = ''
+      ;; Make flyspell less verbose and disable annoying keybind
+      (setq flyspell-issue-message-flag nil
+            flyspell-issue-welcome-flag nil
+            flyspell-use-meta-tab nil)
+
+      (defun flyspell-switch-dictionary ()
+          (interactive)
+          (let* ((dic ispell-current-dictionary)
+          	   (change (if (string= dic "deutsch8") "english" "deutsch8")))
+            (ispell-change-dictionary change)
+            (message "Dictionary switched to %s" change)
+            ))
+    '';
+  };
+}

pkgs/pkgsets/emacs/mu4e.nix

@@ -0,0 +1,100 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+mkIf (elem "emacs-mu4e" config.machine.pkgs) {
+  programs.emacs.init.usePackage.mu4e = {
+    enable = true;
+    package = epkgs: null;
+    command = [ "mu4e" ];
+    diminish = [ "mu4e-mode" ];
+    hook = [
+      "('mu4e-view-mode-hook #'visual-line-mode)"
+      "('mu4e-compose-mode-hook 'flyspell-mode)"
+    ];
+    bind = { "\t" = "'company-complete-common"; };
+    config = ''
+      (setq mail-user-agent 'mu4e-user-agent)
+      (setq org-mu4e-link-query-in-headers-mode t)
+      (setq mu4e-maildir "~/.mail/Mail")
+      (setq mu4e-get-mail-command "${pkgs.isync}/bin/mbsync -a")
+      (setq mu4e-context-policy 'pick-first)
+      (setq mu4e-change-filenames-when-moving t)
+      (setq starttls-use-gnutls t)
+      (setq message-send-mail-function 'smtpmail-send-it)
+      (setq mu4e-update-interval 300)
+      (setq mu4e-use-fancy-chars t)
+      (setq mu4e-view-show-addresses t)
+      (setq mu4e-headers-show-threads t)
+      (setq mu4e-headers-skip-duplicates t)
+      (setq mail-user-agent 'mu4e-user-agent)
+      (defvaralias 'mu4e-compose-signature 'message-signature)
+      (setq-default mu4e-save-multiple-attachments-without-asking t)
+      (setq-default mu4e-view-show-addresses t)
+      (setq-default mu4e-confirm-quit nil)
+      (setq-default mu4e-hide-index-messages t)
+      (setq-default mu4e-index-update-in-background t)
+      (setq mu4e-compose-in-new-frame nil)
+
+      ;;rename files when moving
+      ;;NEEDED FOR MBSYNC
+      (setq mu4e-change-filenames-when-moving t)
+
+      (setq mu4e-html2text-command "iconv -c -t utf-8 | ${pkgs.pandoc}/bin/pandoc -f html -t plain")
+      (setq mu4e-view-show-images t)
+      (when (fboundp 'imagemagick-register-types)
+        (imagemagick-register-types))
+      (setq message-kill-buffer-on-exit t)
+
+
+      (setq mu4e-contexts
+            `(${map
+              (rec { name, fullName, address, sServer, sPort, sUser ? address }: ''
+                   ,(make-mu4e-context
+                     :name ${name}
+                     :vars '((user-mail-address            . ${address}  )
+                             (user-full-name               . ${fullName} )
+                             (mu4e-sent-folder             . "/Sent")
+                             (mu4e-drafts-folder           . "/Drafts")
+                             (mu4e-trash-folder            . "/Deleted")
+                             (mu4e-refile-folder           . "/Archiv")
+                             (smtpmail-smtp-user           . ${sUser} )
+                             (smtpmail-auth-credentials    . (expand-file-name "~/mail/secret/.authinfo.gpg"))
+                             (smtpmail-default-smtp-server . ${sServer} )
+                             (smtpmail-smtp-server         . ${sServer} )
+                             (smtpmail-stream-type         . starttls)
+                             (smtpmail-smtp-service        . ${sPort} )
+                             )
+                     )
+                   '';
+                   )
+              (import "${config.machine.secretPath}/secrets.nix").mu4e}
+              ))
+
+
+      (defun my-browse-url-firefox-privately (url &optional new-window)
+        "Make firefox open URL in private-browsing window."
+        (interactive (browse-url-interactive-arg "URL: "))
+        (let ((process-environment (browse-url-process-environment)))
+          (apply 'start-process
+                 (concat "firefox " url)
+                 nil
+                 browse-url-firefox-program
+                 (list "-private-window" url))))
+      (setq browse-url-browser-function 'my-browse-url-firefox-privately)
+      (add-to-list 'mu4e-view-actions
+	           '("ViewInBrowser" . mu4e-action-view-in-browser) t)
+    '';
+    extraConfig = ''
+      :load-path ${pkgs.mu4e}/share/emacs/site-lisp/mu4e
+    '';
+  };
+  programs.emacs.init.usePackage.mu4e-alert = {
+    enable = true;
+    hook = [ "'after-init-hook" = "#'mu4e-alert-enable-mode-line-display" ];
+  };
+  environment.systemPackages = [
+    mu4e
+    isync
+  ];
+}

pkgs/pkgsets/emacs/powerline.nix

@@ -0,0 +1,14 @@
+{ config, ... }:
+
+mkIf (elem "emacs-poerline" config.machine.pkgs) {
+  programs.emacs.init.usePackage.solarized-theme = {
+    enable = true;
+    config = ''
+      ;; color palette from https://github.com/kuanyui/moe-theme.el/blob/master/moe-theme.el#L283
+      (set-face-attribute 'mode-line nil :background "#afd7ff" :foreground "#005f87")
+      (set-face-attribute 'mode-line-buffer-id nil :background "#afd7ff" :foreground "#080808")
+      (set-face-attribute 'minibuffer-prompt nil :foreground "#5fafd7" :background "#3a3a3a")
+      (powerline-default-theme)
+    '';
+  };
+}

pkgs/pkgsets/emacs/solarized-theme.nix

@@ -0,0 +1,8 @@
+{ config, ... }:
+
+mkIf (elem "emacs-solarized-theme" config.machine.pkgs) {
+  programs.emacs.init.usePackage.solarized-theme = {
+    enable = true;
+    config = "(load-theme 'solarized-dark t)";
+  };
+}