Add describe evil ex-command functionality
For introspection purposes it can be nice to have this functionality. Also this function can be used to discover which ex-commands are available.
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@ -635,6 +635,7 @@ Other:
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after =spacemacs-scratch-mode= is applied to =*scratch*= buffer (thanks to rayw000)
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- Add toggles for persistent which-key keymaps, (full)-major/minor mode
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keymaps and top-level keymap, under prefix ~SPC t k~ (thanks to Daniel Nicolai)
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- Add =describe-ex-command= on ~SPC h d x~ (thanks to Daniel Nicolai)
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- Fixes:
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- Avoid non-idempotent use of push in init code (thanks to Miciah Masters)
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- Moved Spacemacs startup progress bar to =core-progress-bar.el=, removed
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@ -236,6 +236,22 @@ seconds to load")
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"You can paste it in the gitter chat.\n"
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"Check the *Messages* buffer if you need to review it"))))
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(defun spacemacs/describe-ex-command (ex-command)
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(interactive (list (completing-read "Describe ex-command: " evil-ex-commands)))
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(let* ((func (alist-get ex-command evil-ex-commands nil nil 'string=))
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(prompt (if (stringp func)
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"The ex-command :%s is an alias for the ex-command :%s. Describe :%s?"
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"The ex-command :%s calls %s. Describe %s?")))
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(when (y-or-n-p (format prompt
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ex-command
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func
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func))
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(if (stringp func)
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(spacemacs/describe-ex-command func)
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(if (configuration-layer/layer-usedp 'helpful)
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(helpful-callable func)
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(describe-function func))))))
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(defun spacemacs/report-issue (arg)
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"Open a spacemacs/report-issue-mode buffer prepopulated with
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issue report template and system information.
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@ -2037,6 +2037,7 @@ thusly:
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| ~SPC h d t~ | describe text properties |
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| ~SPC h d T~ | describe a theme |
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| ~SPC h d v~ | describe a variable |
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| ~SPC h d x~ | describe an evil ex-command |
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Other help key bindings:
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@ -166,12 +166,13 @@ backslash, an actual space and a lowercase ~b~.
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=Describe functions= are powerful Emacs introspection commands to get information
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about functions, variables, modes etc. These commands are bound thusly:
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| Key binding | Description |
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|-------------+-------------------|
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| ~SPC h d f~ | describe-function |
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| ~SPC h d k~ | describe-key |
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| ~SPC h d m~ | describe-mode |
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| ~SPC h d v~ | describe-variable |
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| Key binding | Description |
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|-------------+--------------------------|
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| ~SPC h d f~ | describe-function |
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| ~SPC h d k~ | describe-key |
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| ~SPC h d m~ | describe-mode |
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| ~SPC h d v~ | describe-variable |
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| ~SPC h d x~ | describe-ex-command |
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* How-To's
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Some quick =how-to's= are compiled in the [[https://github.com/syl20bnr/spacemacs/blob/develop/doc/FAQ.org#how-do-i][FAQ.]]
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@ -133,6 +133,7 @@
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;; various key bindings
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(spacemacs||set-helm-key "fel" helm-locate-library)
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(spacemacs||set-helm-key "hdm" describe-mode)
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(spacemacs||set-helm-key "hdx" spacemacs/describe-ex-command)
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(spacemacs||set-helm-key "swg" helm-google-suggest)
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(with-eval-after-load 'helm-files
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(define-key helm-find-files-map
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@ -81,6 +81,7 @@
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"hdF" 'counsel-describe-face
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"hdm" 'spacemacs/describe-mode
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"hdv" 'counsel-describe-variable
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"hdx" 'spacemacs/describe-ex-command
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"hi" 'counsel-info-lookup-symbol
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"hm" (if (spacemacs/system-is-mswindows) 'woman 'man)
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"hR" 'spacemacs/counsel-search-docs
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