aerc/notmuch items

- [bin] Add the aerc-notmuch-send script
- [bin] Updates to the mail-sync.sh script. We run offlineimap once,
  and we add a bunch of tag-for-deletion targets.

bin/aerc-notmuch-send

@@ -0,0 +1,29 @@
+#!/bin/sh
+# XXX: This does not handle encryption
+
+# ensure the script ends whenever a command exits with non-zero status
+set -e
+
+EMAIL=$(mktemp --suffix=.eml /tmp/XXXXXX)
+clean_up() {
+    rm -f "$EMAIL"
+}
+
+# The account to be used is given as the first argument of this script
+account=$1
+shift
+
+# ensure clean_up() is called when we exit abnormally
+trap 'clean_up' 0 1 2 3 15
+
+# <stdin> of script gets the email, we save temporarily for using it twice
+cat >"$EMAIL"
+
+# First try to send the email, as it can cause more problems (i.e., connection)
+# `set -e` prevents the mail from entering the database in case this fails.
+# msmtp could be called with args from aerc, but --read-recipients already does the job
+msmtp --account="$account" --read-recipients --read-envelope-from <"$EMAIL"
+
+# assumes all maildir accounts are configured with a 'sent' directory
+# also make sure to tag it correctly
+notmuch insert --folder=Sent -inbox -unread +sent <"$EMAIL"