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Remove duplicate entries when setting Gnus' select methods

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Daniel - 2020-08-01 10:11:47 +02:00
parent 5707c9233e
commit bc3e2e875f
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1 changed files with 23 additions and 19 deletions
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42
site-lisp/db-mail.el
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@ -91,25 +91,29 @@ ACCOUNT must be a valid element of `db/mail-accounts’."
(defun db/-set-gnus-secondary-select-methods (other-gnus-accounts remote-mail-accounts)
"Set `gnus-secondary-select-methods’ from OTHER-GNUS-ACCOUNTS and REMOTE-MAIL-ACCOUNTS.
The values of the latter two variables are usually those of
`db/other-gnus-accounts’ and `db/mail-accounts’."
;; XXX: this does not check whether accounts are added multiple times
(setq gnus-secondary-select-methods
(append other-gnus-accounts
;; Only add those remote accounts whose IMAP address is neither
;; `nil’ nor the empty string
(cl-remove-if #'null
(mapcar (lambda (account)
(let ((account-name (db/mail-accounts--name account))
(account-address (db/mail-accounts--imap-address account)))
(when (and account-address
(stringp account-address)
(< 0 (length account-address)))
`(nnimap ,account-name
(nnimap-address ,account-address)
(nnimap-stream starttls)
(nnimap-inbox "INBOX")
(nnimap-fetch-partial-articles "text/")))))
remote-mail-accounts)))))
`db/other-gnus-accounts’ and `db/mail-accounts’. If multiple
accounts exist with the same (equalp) account name, only the
first will be added to `gnus-secondary-select-methods'."
(let ((select-methods (append other-gnus-accounts
;; Only add those remote accounts whose IMAP address is neither
;; `nil’ nor the empty string
(cl-remove-if #'null
(mapcar (lambda (account)
(let ((account-name (db/mail-accounts--name account))
(account-address (db/mail-accounts--imap-address account)))
(when (and account-address
(stringp account-address)
(< 0 (length account-address)))
`(nnimap ,account-name
(nnimap-address ,account-address)
(nnimap-stream starttls)
(nnimap-inbox "INBOX")
(nnimap-fetch-partial-articles "text/")))))
remote-mail-accounts)))))
(setq gnus-secondary-select-methods
(cl-remove-duplicates select-methods
:key #'cl-second ; account name is second element
:test #'equalp))))
;; Let's make the byte-compiler happy
(defvar gnus-posting-styles)