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(in-package :wajir)
(opts:define-opts
(:name :login
:description "Jira login email address"
:long "login"
:arg-parser #'identity
:meta-var "<login>")
(:name :token
:description "Jira API token"
:long "token"
:arg-parser #'identity
:meta-var "<token>")
(:name :endpoint
:description "Jira site URL host (e.g. example.atlassian.net)"
:long "endpoint"
:meta-var "<endpoint>")
(:name :sendmail
:description "send email command"
:long "sendmail"
:meta-var "<command>")
(:name :email-to
:description "recipient email address"
:long "email-to"
:meta-var "<address>")
(:name :verbose
:description "print verbose output"
:short #\v
:long "verbose")
(:name :help
:description "print this help menu"
:short #\h
:long "help")
(:name :version
:description "show the program version"
:short #\V
:long "version"))
(defmacro when-option ((options option) &body body)
"When `option` is present in `options`, run `body`."
`(let ((value (getf ,options ,option)))
(when value
,@body)))
(defun exit-with-error (condition exit-code)
"Print the error associated with `condition` on standard error, then exit
with code `exit-code`."
(format *error-output* "error: ~a~%" condition)
(opts:exit exit-code))
(defun handle-option-error (condition)
"Handle errors related to command line options. Prints the error specified by
`condition` and exits with EX_USAGE."
(exit-with-error condition sysexits:+usage+))
(defun parse-options ()
"Parse command line options."
(multiple-value-bind (options free-args)
(handler-bind
((opts:unknown-option #'handle-option-error)
(opts:missing-arg #'handle-option-error)
(opts:arg-parser-failed #'handle-option-error)
(opts:missing-required-option #'handle-option-error))
(opts:get-opts))
;; Help
(when-option (options :help)
(opts:describe
:usage-of "wajir"
:args "<JQL>")
(opts:exit sysexits:+usage+))
;; Version
(when-option (options :version)
(format t "~a~%" (asdf:component-version (asdf:find-system :extreload)))
(opts:exit sysexits:+ok+))
;; Check required arguments
; (dolist (opt '(:login :token :endpoint))
; ())
; (when (null (getf options :login))
; (format *error-output* "~S"
; (loop
; for opt in '(:login :token :endpoint)
; with '(opt (null (getf options opt)))
; collect result))
; (when (null (getf options :login))
; (let ((required-opts
; (mapcar
; #'(lambda (opt) `(,opt ,(not (null (getf options opt)))))
; '(:login :token :endpoint))))
; (format *error-output* "opts: ~S" required-opts)
; (opts:exit sysexits:+usage+)))
; (when (or (null (getf options :login))
; (null (getf options :token))
; (null (getf options :endpoint)))
; (format *error-output* "error: missing required options: ~A"))
; (let* ((required-opts '(:login :token :endpoint))
; (opts-missing-p (mapcar
; #'(lambda (opt) (null (getf options opt)))
; required-opts)))
; ; (opts-missing-p (mapcar
; ; #'(lambda (opt)
; ; (cons (null (getf options opt))
; ; opt))
; ; required-opts))
; ; (missing-opts (mapcar
; ; #'second
; ; (remove-if-not
; ; #'(lambda (missing-and-opt) (first missing-and-opt))
; ; opts-missing-p))))
;
; (format *error-output* "miss: ~S~%" opts-missing-p)
; (when (or (values opts-missing-p))
; (let* ((opt-and-presence
; (mapcar #'cons opts-missing-p required-opts))
; (missing-opts
; (remove-if
; #'(lambda (presence-pair) (null (first presence-pair)))
; opt-and-presence)))
;
; (format *error-output* "opts: ~S~%" missing-opts)
; (opts:exit sysexits:+usage+))))
;
; ; (format *error-output* "v2: ~S~%" missing-opts))
(let* ((required-opts '(:login :token :endpoint))
;; (nil nil t)
; (opts-missing-p (mapcar
; #'(lambda (opt) (null (getf options opt)))
; required-opts))
;; ((t . :login) (t . :token) (nil . :endpoint))
(opts-missing-p (mapcar
#'(lambda (opt)
(cons (null (getf options opt))
opt))
required-opts))
;; (:endpoint)
(missing-opts (mapcar
#'cdr
(remove-if-not
#'(lambda (missing-and-opt) (first missing-and-opt))
opts-missing-p))))
(format
*error-output*
"error: missing required options: ~{`~(--~A~)'~^, ~}~%"
missing-opts)
(opts:exit sysexits:+usage+))
;; If `sendmail` is given, `email-to` must be defined.
(when (not (null (getf options :sendmail)))
(when (null (getf options :email-to))
(format *error-output* "error: `--sendmail' requires `--email-to'")
(opts:exit sysexits:+usage+)))
;; Error if JQL is empty
(when (null free-args)
(format *error-output* "error: missing JQL")
(opts:exit sysexits:+usage+))
(make-instance 'config
:login (getf options :login)
:token (getf options :token)
:endpoint (getf options :endpoint)
:sendmail (getf options :sendmail)
:email-to (getf options :email-to)
:verbose (getf options :verbose)
:jql (first free-args))))
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