emacs: Allow users to choose a 'find-file' function.
* emacs/guix-utils.el (guix-find-file-function): New variable. (guix-find-file): Use it.
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@ -193,10 +193,19 @@ Return time value."
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(require 'org)
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(require 'org)
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(org-read-date nil t nil prompt))
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(org-read-date nil t nil prompt))
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(defcustom guix-find-file-function #'find-file
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"Function used to find a file.
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The function is called by `guix-find-file' with a file name as a
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single argument."
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:type '(choice (function-item find-file)
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(function-item org-open-file)
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(function :tag "Other function"))
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:group 'guix)
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(defun guix-find-file (file)
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(defun guix-find-file (file)
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"Find FILE if it exists."
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"Find FILE if it exists."
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(if (file-exists-p file)
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(if (file-exists-p file)
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(find-file file)
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(funcall guix-find-file-function file)
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(message "File '%s' does not exist." file)))
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(message "File '%s' does not exist." file)))
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(defmacro guix-while-search (regexp &rest body)
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(defmacro guix-while-search (regexp &rest body)
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