chore(morty): rework mail configuration

* add mailcap to handle attachment
* add per-account mutt hook
* remove Trash folder sync and unassign Trash for each accounts
* remove `dd` keybinding
* add `Ctrl+b` macro to launch urlscan

hosts/morty/home-config.nix

@@ -3,10 +3,11 @@
     email = {
       enable = true;
       accountConfigs = {
-        ubordeaux = inputs.nix-private.mail.ubordeaux;
-        xiemeart = inputs.nix-private.mail.xiemeart;
+        a = inputs.nix-private.mail.xiemeart;
+        b = inputs.nix-private.mail.ephase;
+        c = inputs.nix-private.mail.ubordeaux;
       };
-      primary = "xiemeart";
+      primary = "a";
     };
     application = {
       gnupg = {

modules/home-manager/accounts/email/default.nix

@@ -35,8 +35,14 @@ in
       defaultSetting = {
         mbsync = {
           enable = true;
-          create = "maildir";
+          create = "both";
           expunge = "both";
+          remove = "both";
+          patterns = [
+            "*"
+            # Trash is a pain in the ass to manage with notmuch
+            "!Trash"
+          ];
         };
         msmtp = {
           enable = true;
@@ -75,7 +81,7 @@ in
       extraConfig = ''
         [FolderNameFilter]
         folder_explicit_list = archives
-        folder_transforms = archives:archive
+        folder_transforms = archives:archived
         maildir_separator = /
         [MailMover]
         folders = ${lib.concatStringsSep " " (lib.unique (lib.mapAttrsToList (n: v: "${n}") mailMoverRules))}
@@ -85,8 +91,8 @@ in
         [KillThreadsFilter]
         [ArchiveSentMailsFilter]
         sent_tag = sent
-        [InboxFilter]
         ${lib.concatImapStrings (p: e: "\n\n[Filter.${toString p}]\n ${lib.concatStringsSep "\n" (lib.mapAttrsToList (n: v: "${n} = ${v}") e)}") mailFilterRules}
+        [InboxFilter]
       '';
     };
     programs.neomutt = let
@@ -97,12 +103,14 @@ in
           key = "<F${(toString (i + 1))}>";
         }) (
           lib.attrsets.mapAttrsToList (
-            n: _:
-            { "action" = "<sync-mailbox><refresh><enter-command>source ~/.config/neomutt/${n}<enter><change-folder>=Inbox<enter><change-vfolder>Unread<enter>";}
-      ) inputs.nix-private.mail);
+            n: c:
+            { "action" = "<sync-mailbox><refresh><enter-command>source ~/.config/neomutt/${n}<enter><change-vfolder>Unread:${c.config.address}<enter>";}
+      ) cfg.accountConfigs);
     in {
       enable = true;
       unmailboxes = true;
+      changeFolderWhenSourcingAccount = true;
+      sourcePrimaryAccount = false;
       editor = "nvim +/^$/ +':nohl'";
       settings = {
         sleep_time = "1";
@@ -130,14 +138,22 @@ in
         my_pager =  "'   %F |  %s %*   Pos: %P '";
         compose_format = "' COMPOSE   %a | 󰉉 %l'";
         query_command = "'${pkgs.khard}/bin/khard email --parsable --search-in-source-files %s'";
+        virtual_spoolfile = "yes";
+        mail_check_stats = "yes";
+        mh_purge = "yes";
+        mailcap_path= "${config.xdg.configHome}/neomutt/mailcap";
       };
       extraConfig = ''
         ${(builtins.readFile ./files/theme.muttrc)}
         charset-hook ^iso-8859-1$ cp1252
         ignore *
+
         unignore from date subject to cc bcc tags user-agent x-mailer
+
+        # Attachment
         auto_view           text/x-vcard text/html text/enriched text/calendar
         alternative_order   text/html text/enriched text/plain text/*
+
        tag-transforms "attachment" "󰁦" \
                        "encrypted"  "󱧈" \
                        "signed"     "󱅞" \
@@ -148,6 +164,11 @@ in
                        "signed"        "GS" \
                        "unread"        "GU" \
                        "replied"       "GR"
+
+        ${lib.concatStrings (lib.attrsets.mapAttrsToList ( _: v: if lib.hasAttrByPath [ "neomuttHooks" ] v then v.neomuttHooks else "" ) cfg.accountConfigs)}
+        # manually source first account instead of use home-manager parameter because
+        # of $my_pager expansion does not work as this variable is not already set
+        source ${config.xdg.configHome}/neomutt/${cfg.primary}
       '';
       binds = [
         { map = [ "attach" "browser" "index" "pager" ]; key = "g"; action = "noop"; }
@@ -171,12 +192,8 @@ in
         { map = [ "index" ]; key = "\\Ce"; action = "next-line";}
         { map = [ "index" ]; key = "\\Cy"; action = "previous-line";}
 
-        # Delete
-        { map = [ "pager" "index" ]; key = "d  "; action = "noop";}
-        { map = [ "pager" "index" ]; key = "dd "; action = "delete-message";}
-
         # Reply
-        { map =[ "pager" "index" ]; key = "R  "; action = "group-reply";}
+        { map =[ "pager" "index" ]; key = "R"; action = "group-reply";}
 
         # sidebar
         { map = [ "index" "pager" ]; key = "<f12>"; action = "sidebar-toggle-visible";}
@@ -195,17 +212,15 @@ in
         { map = [ "index" "pager" ]; key = "\\eX"; action = "vfolder-from-query";}
 
         # generate virtual folder from query with time window
-        { map = [ "index" ]; key = "<"; action = "vfolder-window-backward";}
-        { map = [ "index" ]; key = ">"; action = "vfolder-window-forward";}
 
         { map = [ "index" "pager" ]; key = "\\CD"; action = "modify-tags";}
 
         # Editor
         { map = [ "editor" ]; key = "<Tab>"; action = "complete-query";}
-        { map = [ "editor" ]; key = "^T   "; action = "complete";}
+        { map = [ "editor" ]; key = "^T"; action = "complete";}
       ];
       macros = [
-        #Define some macros here
+        { map = [ "pager" ];  key = "\\CB"; action = "<pipe-message>${pkgs.urlscan}/bin/urlscan -d -c --color true<Enter>"; }
       ] ++ accountMacros;
     };
     programs.mbsync = {
@@ -226,5 +241,12 @@ in
     programs.msmtp = {
       enable = true;
     };
+    home.file."${config.xdg.configHome}/urlscan/config.json".source = ./files/urlscan.config.json;
+    xdg.configFile."neomutt/mailcap".text = ''
+      text/html; ${pkgs.xdg-utils}/bin/xdg-open %s; nametemplate=%html
+      text/html; ${pkgs.w3m}/bin/w3m -I %{charset} -cols 90 -T text/html %s; copiousoutput
+      application/pdf; ${pkgs.xdg-utils}/bin/xdg-open %s &
+      image/*; ${pkgs.xdg-utils}/bin/xdg-open %s &
+    '';
   };
 }

modules/home-manager/accounts/email/files/theme.muttrc

@@ -1,5 +1,4 @@
 # vi: ft=muttrc
-# base16-mutt: base16-shell support for mutt
 
 ## Base
 color normal      color20  default # softer, bold
@@ -30,7 +29,7 @@ color index_author  color20 default
 color index_date    color20 default
 color index_flags   color20 default
 color index_tag     color20 default
-color index_tags    color20 default
+color index_tags    italic color08 default
 
 color index_author  italic color06 default "~g !~V"
 color index_author  color04 default "~g ~V"
@@ -48,6 +47,8 @@ color index_date    italic color00 color06 "~T"
 color index_tags    italic color00 color06 "~T"
 color index_tag     italic color00 color06 "~T"
 
+color index_subject color01 color18   "~D"              # deleted messages
+
 color index_subject italic bold color00  default "~T (~U|~N|~O)"
 
 ## Weak
@@ -55,7 +56,7 @@ color index color01        default  "~v~(~F)"          # collapsed thread with f
 
 # Selection
 color index   italic  color00   color06   "~T"          # tagged messages
-color index   color01 color18   "~D"                    # deleted messages
+color index           default   color18   "~D"          # deleted messages
 
 ### Message Headers ----------------------------------------------------
 
@@ -77,22 +78,26 @@ color header color06 color00  "((@(([0-9a-z-]+\\.)*[0-9a-z-]+\\.?|#[0-9]+|\\[[0-
 # When possible, these regular expressions attempt to match http://spec.commonmark.org/
 ## Weak
 # ~~~ Horizontal rules ~~~
-color body  color08  color00  "([[:space:]]*[-+=#*~_]){3,}[[:space:]]*"
-## Strong
+color body  color08  default  "([[:space:]]*[-+=#*~_]){3,}[[:space:]]*"
+
 # *Bold* span
-color body  brightcolor03  color00  "(^|[[:space:][:punct:]])\\*[^*]+\\*([[:space:][:punct:]]|$)"
+color body  brightcolor03  default  "(^|[[:space:][:punct:]])\\*[^*]+\\*([[:space:][:punct:]]|$)"
+
 # _Underline_ span
-color body  color05  color00  "(^|[[:space:][:punct:]])_[^_]+_([[:space:][:punct:]]|$)"
+color body  underline color20  default  "(^|[[:space:][:punct:]])_[^_]+_([[:space:][:punct:]]|$)"
+
 # /Italic/ span (Sometimes gets directory names)
-color body  color05  color00  "(^|[[:space:][:punct:]])/[^/]+/([[:space:][:punct:]]|$)"
+color body  italic    color20  default  "(^|[[:space:][:punct:]])/[^/]+/([[:space:][:punct:]]|$)"
+
 # ATX headers
-color body  color04  color00  "^[[:space:]]{0,3}#+[[:space:]].*$"
-## Highlight
+color body  color04  default  "^[[:space:]]{0,3}#+[[:space:]].*$"
+
 # `Code` span
-color body  color02  color00  "(^|[[:space:][:punct:]])\`[^\`]+\`([[:space:][:punct:]]|$)"
-# Indented code block
-color body  color02  color00  "^[[:space:]]{4,}.*$"
-# URLs
+color body  color05  default  "(^|[[:space:][:punct:]])\`[^\`]+\`([[:space:][:punct:]]|$)"
+
+color body  bold     color01  default  "^(\\*[[:space:]])"
+
+## URI
 color body italic color04 color00  "([a-z][a-z0-9+-]*://(((([a-z0-9_.!~*'();:&=+$,-]|%[0-9a-f][0-9a-f])*@)?((([a-z0-9]([a-z0-9-]*[a-z0-9])?)\\.)*([a-z]([a-z0-9-]*[a-z0-9])?)\\.?|[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+)(:[0-9]+)?)|([a-z0-9_.!~*'()$,;:@&=+-]|%[0-9a-f][0-9a-f])+)(/([a-z0-9_.!~*'():@&=+$,-]|%[0-9a-f][0-9a-f])*(;([a-z0-9_.!~*'():@&=+$,-]|%[0-9a-f][0-9a-f])*)*(/([a-z0-9_.!~*'():@&=+$,-]|%[0-9a-f][0-9a-f])*(;([a-z0-9_.!~*'():@&=+$,-]|%[0-9a-f][0-9a-f])*)*)*)?(\\?([a-z0-9_.!~*'();/?:@&=+$,-]|%[0-9a-f][0-9a-f])*)?(#([a-z0-9_.!~*'();/?:@&=+$,-]|%[0-9a-f][0-9a-f])*)?|(www|ftp)\\.(([a-z0-9]([a-z0-9-]*[a-z0-9])?)\\.)*([a-z]([a-z0-9-]*[a-z0-9])?)\\.?(:[0-9]+)?(/([-a-z0-9_.!~*'():@&=+$,]|%[0-9a-f][0-9a-f])*(;([-a-z0-9_.!~*'():@&=+$,]|%[0-9a-f][0-9a-f])*)*(/([-a-z0-9_.!~*'():@&=+$,]|%[0-9a-f][0-9a-f])*(;([-a-z0-9_.!~*'():@&=+$,]|%[0-9a-f][0-9a-f])*)*)*)?(\\?([-a-z0-9_.!~*'();/?:@&=+$,]|%[0-9a-f][0-9a-f])*)?(#([-a-z0-9_.!~*'();/?:@&=+$,]|%[0-9a-f][0-9a-f])*)?)[^].,:;!)? \t\r\n<>\"]"
 # Email addresses
 color body  color06 color00  "((@(([0-9a-z-]+\\.)*[0-9a-z-]+\\.?|#[0-9]+|\\[[0-9]?[0-9]?[0-9]\\.[0-9]?[0-9]?[0-9]\\.[0-9]?[0-9]?[0-9]\\.[0-9]?[0-9]?[0-9]\\]),)*@(([0-9a-z-]+\\.)*[0-9a-z-]+\\.?|#[0-9]+|\\[[0-9]?[0-9]?[0-9]\\.[0-9]?[0-9]?[0-9]\\.[0-9]?[0-9]?[0-9]\\.[0-9]?[0-9]?[0-9]\\]):)?[0-9a-z_.+%$-]+@(([0-9a-z-]+\\.)*[0-9a-z-]+\\.?|#[0-9]+|\\[[0-2]?[0-9]?[0-9]\\.[0-2]?[0-9]?[0-9]\\.[0-2]?[0-9]?[0-9]\\.[0-2]?[0-9]?[0-9]\\])"

modules/home-manager/accounts/email/files/urlscan.config.json

@@ -0,0 +1,54 @@
+{
+  "palettes": {
+    "default": [
+      [ "header", "white", "dark blue", "standout", "#d8d8d8", "#383838" ],
+      [ "footer", "white", "dark red", "standout", "#d8d8d8", "#383838" ],
+      [ "search", "white", "dark green", "standout", "#282828", "#f7ca88" ],
+      [ "msgtext", "", "", "", "", "" ],
+      [ "msgtext:ellipses", "light gray", "black", "bold", "#f7ca88", "#383838" ],
+      [ "urlref:number:braces", "light gray", "black", "bold", "#f8f8f8", "#383838"],
+      [ "urlref:number","yellow", "black","bold", "#f7ca88", "#383838" ],
+      [ "urlref:url", "white", "black", "italics", "#7cafc2", "#181818" ],
+      [ "url:sel", "white", "dark blue", "underline", "#7cafc2", "#383838" ]
+    ]
+
+  },
+  "keys": {
+    "/": "search_key",
+    "0": "digits",
+    "1": "digits",
+    "2": "digits",
+    "3": "digits",
+    "4": "digits",
+    "5": "digits",
+    "6": "digits",
+    "7": "digits",
+    "8": "digits",
+    "9": "digits",
+    "a": "add_url",
+    "C": "clipboard",
+    "c": "context",
+    "ctrl l": "clear_screen",
+    "ctrl f": "page_down",
+    "ctrl b": "page_up",
+    "d": "del_url",
+    "f1": "help_menu",
+    "G": "bottom",
+    "g": "top",
+    "j": "down",
+    "k": "up",
+    "J": "next",
+    "K": "previous",
+    "P": "clipboard_pri",
+    "l": "link_handler",
+    "o": "open_queue",
+    "O": "open_queue_win",
+    "p": "palette",
+    "Q": "quit",
+    "q": "quit",
+    "R": "reverse",
+    "S": "all_shorten",
+    "s": "shorten",
+    "u": "all_escape"
+  }
+}