home/email: configure aerc instead of himalaya

home/home.nix

@@ -83,7 +83,8 @@ in
     pass.enable = true;
 
     # email manager
-    himalaya.enable = true;
+    himalaya.enable = false;
+    aerc.enable = true;
 
     # finance manager
     hledger.enable = true;
@@ -109,6 +110,7 @@ in
 
   accounts = {
     email = {
+      maildirBasePath = "${config.xdg.dataHome}/mail";
       accounts = secrets.emailAccounts;
     };
   };

home/progs/aerc.nix

@@ -0,0 +1,74 @@
+{ lib, config, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.progs.aerc;
+in
+{
+  options.progs.aerc = {
+    enable = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Add neomutt with my personal configuration";
+    };
+  };
+
+  # See: https://git.sbruder.de/simon/nixos-config/src/branch/master/users/simon/modules/mail/aerc/default.nix
+  config = mkIf cfg.enable {
+    programs.aerc = {
+      enable = true;
+      extraConfig = {
+        general.unsafe-accounts-conf = true;
+
+        filters = {
+          "text/plain" = "${./colorize}";
+          "text/html" = "html";
+        };
+      };
+      extraBinds = {
+        messages = {
+          "q" = ":quit<Enter>";
+
+          "gt" = ":next-tab<Enter>";
+          "gT" = ":prev-tab<Enter>";
+
+          "j" = ":next<Enter>";
+          "<Down>" = ":next<Enter>";
+          "<C-d>" = ":next 50%<Enter>";
+
+          "k" = ":prev<Enter>";
+          "<Up>" = ":prev<Enter>";
+          "<C-b>" = ":prev 50%<Enter>";
+
+          "gg" = ":select 0<Enter>";
+          "G" = ":select -1<Enter>";
+
+          "J" = ":next-folder<Enter>";
+          "K" = ":prev-folder<Enter>";
+
+          "<Enter>" = ":view<Enter>";
+        };
+
+        view = {
+          "q" = ":close<Enter>";
+          "O" = ":open<Enter>";
+          "S" = ":save<space>";
+
+          "f" = ":forward<Enter>";
+
+          "rr" = ":reply -a<Enter>";
+          "rq" = ":reply -aq<Enter>";
+          "Rr" = ":reply<Enter>";
+          "Rq" = ":reply -q<Enter>";
+
+          "<C-k>" = ":prev-part<Enter>";
+          "<C-j>" = ":next-part<Enter>";
+          "J" = ":next<Enter>";
+          "K" = ":prev<Enter>";
+        };
+
+      };
+    };
+  };
+}

home/progs/colorize

@@ -0,0 +1,144 @@
+#!/usr/bin/env -S awk -f
+# Copyright (c) 2022 Robin Jarry
+# Modified 2022-06-16 by Simon Bruder to use ANSI colors
+# Modified 2022-06-16 by Simon Bruder to a /usr/bin/env shebang
+
+BEGIN {
+	url = "\x1b[33m" # yellow
+	header = "\x1b[35m" # purple
+	signature = "\x1b[35m" # purple
+	diff_meta = "\x1b[1;37m" # bold white
+	diff_chunk = "\x1b[36m" # cyan
+	diff_add = "\x1b[32m" # green
+	diff_del = "\x1b[31m" # red
+	quote_1 = "\x1b[34m"  # blue
+	quote_2 = "\x1b[91m" # orange
+	quote_3 = "\x1b[35m" # purple
+	quote_4 = "\x1b[95m" # pink
+	quote_x = "\x1b[37m" # gray
+	reset = "\x1b[0m"
+	# state
+	in_diff = 0
+	in_signature = 0
+	in_headers = 0
+	in_body = 0
+	# patterns
+	header_pattern = @/^[A-Z][[:alnum:]-]+:/
+	url_pattern = @/[a-z]{2,6}:\/\/[[:graph:]]+|(mailto:)?[[:alnum:]_\+\.~\/-]*[[:alnum:]_]@[[:lower:]][[:alnum:]\.-]*[[:lower:]]/
+}
+function color_quote(line) {
+	level = 0
+	quotes = ""
+	while (line ~ /^>/) {
+		level += 1
+		quotes = quotes ">"
+		line = substr(line, 2)
+		while (line ~ /^ /) {
+			quotes = quotes " "
+			line = substr(line, 2)
+		}
+	}
+	if (level == 1) {
+		color = quote_1
+	} else if (level == 2) {
+		color = quote_2
+	} else if (level == 3) {
+		color = quote_3
+	} else if (level == 4) {
+		color = quote_4
+	} else {
+		color = quote_x
+	}
+	if (line ~ /^\+/) {
+		return color quotes diff_add line reset
+	} else if (line ~ /^-/) {
+		return color quotes diff_del line reset
+	}
+	gsub(url_pattern, url "&" color, line)
+	return color quotes line reset
+}
+{
+	# Strip carriage returns from line
+	sub(/\r$/, "")
+
+	if (in_diff) {
+		if ($0 ~ /^-- ?$/) {
+			in_signature = 1
+			in_diff = 0
+			in_headers = 0
+			in_body = 0
+			$0 = signature $0 reset
+		} else if ($0 ~ /^@@ /) {
+			$0 = diff_chunk $0 reset
+		} else if ($0 ~ /^(diff --git|index|---|\+\+\+) /) {
+			$0 = diff_meta $0 reset
+		} else if ($0 ~ /^\+/) {
+			$0 = diff_add $0 reset
+		} else if ($0 ~ /^-/) {
+			$0 = diff_del $0 reset
+		}
+	} else if (in_signature) {
+		gsub(url_pattern, url "&" signature)
+		$0 = signature $0 reset
+	} else if (in_headers) {
+		if ($0 ~ /^$/) {
+			in_signature = 0
+			in_diff = 0
+			in_headers = 0
+			in_body = 1
+		} else {
+			sub(header_pattern, header "&" reset)
+			gsub(url_pattern, url "&" reset)
+		}
+	} else if (in_body) {
+		if ($0 ~ /^>/) {
+			$0 = color_quote($0)
+		} else if ($0 ~ /^diff --git /) {
+			in_signature = 0
+			in_diff = 1
+			in_headers = 0
+			in_body = 0
+			$0 = diff_meta $0 reset
+		} else if ($0 ~ /^-- ?$/) {
+			in_signature = 1
+			in_diff = 0
+			in_headers = 0
+			in_body = 0
+			$0 = signature $0 reset
+		} else {
+			gsub(url_pattern, url "&" reset)
+		}
+	} else if ($0 ~ /^diff --git /) {
+		in_signature = 0
+		in_diff = 1
+		in_headers = 0
+		in_body = 0
+		$0 = diff_meta $0 reset
+	} else if ($0 ~ /^-- ?$/) {
+		in_signature = 1
+		in_diff = 0
+		in_headers = 0
+		in_body = 0
+		$0 = signature $0 reset
+	} else if ($0 ~ header_pattern) {
+		in_signature = 0
+		in_diff = 0
+		in_headers = 1
+		in_body = 0
+		sub(header_pattern, header "&" reset)
+		gsub(url_pattern, url "&" reset)
+	} else {
+		in_signature = 0
+		in_diff = 0
+		in_headers = 0
+		in_body = 1
+		if ($0 ~ /^>/) {
+			$0 = color_quote($0)
+		} else {
+			gsub(url_pattern, url "&" reset)
+		}
+	}
+
+	print
+}
+

home/progs/default.nix

@@ -3,6 +3,7 @@
   ./exa.nix
   ./git.nix
   ./himalaya.nix
+  ./aerc.nix
   ./hledger.nix
   ./nvim.nix
   ./pass.nix