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mu4e: add command mu4e-server-repl 

This for testing the mu4e server.
This commit is contained in:
Dirk-Jan C. Binnema 2023-02-17 20:17:31 +02:00
parent 3d4805de0c
commit 8b16e5a449
1 changed files with 54 additions and 35 deletions
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89
mu4e/mu4e-server.el
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@ -386,46 +386,65 @@ As per issue #2198."
(signal-process proc 'SIGKILL)))) ;; forcefully
(process-list)))
(defun mu4e--server-args()
"Return the command line args for the command to start the mu4e-server."
;; [--debug] server [--muhome=..]
(seq-filter #'identity ;; filter out nil
`(,(when mu4e-mu-debug "--debug")
"server"
,(when mu4e-mu-home (format "--muhome=%s" mu4e-mu-home)))))
(defun mu4e-server-repl ()
"Start a mu4e-server repl.
This is meant for debugging/testing - the repl is designed for
machines, not for humans.
You cannot run the repl when mu4e is running (or vice-versa)."
(interactive)
(if (mu4e-running-p)
(mu4e-error "Cannot run repl when mu4e is running")
(let ((cmd (string-join (cons mu4e-mu-binary (mu4e--server-args)) " ")))
(term cmd)
(rename-buffer "*mu4e-repl*" 'unique)
(message "invoked: '%s'" cmd))))
(defun mu4e--server-start ()
"Start the mu server process."
(let ((default-directory temporary-file-directory)) ;;ensure it's local.
;; sanity-check 1
(unless (and mu4e-mu-binary (file-executable-p mu4e-mu-binary))
(mu4e-error
"Cannot find mu, please set `mu4e-mu-binary' to the mu executable path"))
;; sanity-check 2
(let ((version (let ((s (shell-command-to-string
(concat mu4e-mu-binary " --version"))))
(and (string-match "version \\([.0-9]+\\)" s)
(match-string 1 s)))))
(unless (string= version mu4e-mu-version)
(unless (and mu4e-mu-binary (file-executable-p mu4e-mu-binary))
(mu4e-error
(concat
"Found mu version %s, but mu4e needs version %s"
"; please set `mu4e-mu-binary' "
"accordingly") version mu4e-mu-version)))
;; kill old/stale servers, if any.
(mu4e--kill-stale)
(let* ((process-connection-type nil) ;; use a pipe
(args
;; [--debug] server [--muhome=..]
(seq-filter (lambda (arg) arg) ;; filter out nil
`(,(when mu4e-mu-debug "--debug")
"server"
,(when mu4e-mu-home (format "--muhome=%s" mu4e-mu-home))))))
(setq mu4e--server-buf "")
(mu4e-log 'misc "* invoking '%s' with parameters %s" mu4e-mu-binary
(mapconcat (lambda (arg) (format "'%s'" arg)) args " "))
(setq mu4e--server-process (apply 'start-process
mu4e--server-name mu4e--server-name
mu4e-mu-binary args))
;; register a function for (:info ...) sexps
(unless mu4e--server-process
(mu4e-error "Failed to start the mu4e backend"))
(set-process-query-on-exit-flag mu4e--server-process nil)
(set-process-coding-system mu4e--server-process 'binary 'utf-8-unix)
(set-process-filter mu4e--server-process 'mu4e--server-filter)
(set-process-sentinel mu4e--server-process 'mu4e--server-sentinel))))
"Cannot find mu, please set `mu4e-mu-binary' to the mu executable path"))
;; sanity-check 2
(let ((version (let ((s (shell-command-to-string
(concat mu4e-mu-binary " --version"))))
(and (string-match "version \\([.0-9]+\\)" s)
(match-string 1 s)))))
(unless (string= version mu4e-mu-version)
(mu4e-error
(concat
"Found mu version %s, but mu4e needs version %s"
"; please set `mu4e-mu-binary' "
"accordingly")
version mu4e-mu-version)))
;; kill old/stale servers, if any.
(mu4e--kill-stale)
(let* ((process-connection-type nil) ;; use a pipe
(args (mu4e--server-args)))
(setq mu4e--server-buf "")
(mu4e-log 'misc "* invoking '%s' with parameters %s" mu4e-mu-binary
(mapconcat (lambda (arg) (format "'%s'" arg)) args " "))
(setq mu4e--server-process (apply 'start-process
mu4e--server-name mu4e--server-name
mu4e-mu-binary args))
;; register a function for (:info ...) sexps
(unless mu4e--server-process
(mu4e-error "Failed to start the mu4e backend"))
(set-process-query-on-exit-flag mu4e--server-process nil)
(set-process-coding-system mu4e--server-process 'binary 'utf-8-unix)
(set-process-filter mu4e--server-process 'mu4e--server-filter)
(set-process-sentinel mu4e--server-process 'mu4e--server-sentinel))))
(defun mu4e--server-kill ()
"Kill the mu server process."