Use offlineimap to sync emails

mail/.offlineimap.py

@@ -0,0 +1,39 @@
+# GPG password extraction adapted from stackexchange
+# https://unix.stackexchange.com/questions/44214
+
+import os, subprocess, re
+
+def decrypt(path):
+  args = ["gpg", "--use-agent", "--quiet", "--batch", "-d", path]
+  try:
+    return subprocess.check_output(args).strip()
+  except BaseException as e:
+    print("[ERROR] %s" % e)
+    return ""
+
+# Extract account information stored in key/value paris
+def get_account(acct, key):
+  acct = os.path.basename(acct)
+  path = os.path.expanduser("~/.passwd/%s.gpg" % str(acct))
+  o = decrypt(path).splitlines()
+  values = {k.strip():v.strip() for k, v in (l.split('=') for l in o)}
+  return values[key]
+
+default_folders = ['INBOX', 'Archive', 'Sent', 'Trash']
+
+def folder_filter(name):
+  # Mail provider has a folder with my mail folders called `Folders`.
+  # Anything inside `Folders` should be synced: match the first
+  # part of the path to allow them, otherwise only sync the inbox
+  # and other default folders.
+  return name[:7] == "Folders" or name in default_folders
+
+def folder_rename(name):
+  # Nested folders have `Folders.` as a prefix to indicate nesting.
+  # Remove the prefix so names match, unless doing so would clash
+  # with the default folders
+  stripped = re.sub('^Folders.', '', name);
+  if stripped not in default_folders:
+    return stripped
+  else:
+    return name

mail/.offlineimaprc

@@ -0,0 +1,37 @@
+[general]
+accounts = main
+pythonfile = ~/.offlineimap.py
+
+[Account main]
+localrepository = main-local
+remoterepository = main-remote
+# full refresh, in min
+autorefresh = 0.2
+# quick refreshs between each full refresh
+quick = 10
+# update notmuch index after sync
+postsynchook = notmuch new
+
+[Repository main-local]
+type = Maildir
+localfolders = ~/.mail
+# delete remote mails that were deleted locally
+sync_deletes = yes
+
+[Repository main-remote]
+type = IMAP
+remoteport = 1143
+remotehost = 127.0.0.1
+remoteusereval = get_account('main-email', 'user')
+remotepasseval = get_account('main-email', 'password')
+keepalive = 60
+holdconnectionopen = yes
+# delete local mails that were deleted on the remote server
+expunge = yes
+# sync only these folders
+folderfilter = folder_filter
+nametrans = folder_rename
+# SSL
+ssl = no
+starttls = yes
+sslcacertfile = ~/.mailcert.pem

setup.sh

@@ -40,9 +40,9 @@ ln -sbv "$DIR/git/.gitattributes_global" ~
 
 # e-mail
 echo -e "\n\t${BOLD}email...${NC}\n"
-ln -sbv "$DIR/mail/.mbsyncrc" ~
-ln -sbv "$DIR/mail/.msmtprc" ~
+ln -sbv "$DIR/mail/.offlineimaprc" ~
+ln -sbv "$DIR/mail/.offlineimap.py" ~
 ln -sbv "$DIR/mail/.notmuch-config" ~
 ln -sbv "$DIR/mail/.afew-config" ~/.config/afew/config
-ln -sbv "$DIR/service/checkmail.service" ~/.config/systemd/user/
-ln -sbv "$DIR/service/checkmail.timer" ~/.config/systemd/user/
+ln -sbv "$DIR/mail/checkmail.service" ~/.config/systemd/user/
+ln -sbv "$DIR/mail/checkmail.timer" ~/.config/systemd/user/