mirror of
https://github.com/simonmichael/hledger.git
synced 2024-09-16 00:37:33 +03:00
43 lines
1.8 KiB
EmacsLisp
43 lines
1.8 KiB
EmacsLisp
;; Helper for managing issue links in markdown.
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;; See also markdown-mode's interactive C-c C-c c and C-c C-c u.
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(defun md-issue-refs (beginning end)
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"Scan the selected region for markdown shortcut reference links
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of the form [#NUM] and add/update link reference definitions
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at the end, pointing to the corresponding github issues.
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Removes any pre-existing #NUM link reference definitions from the region.
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This is useful eg for maintaining link reference definitions in release notes.
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XXX Currently hardcoded for the simonmichael/hledger repo.
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XXX Does not work if parts of region are collapsed as with TAB in markdown-mode.
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"
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(interactive "r")
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(setq beginning (min beginning end))
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(setq end (max beginning end))
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(let ((nums '()))
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(save-excursion
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(save-restriction
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(widen) ;; XXX trying to make it work with collapsed regions
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(narrow-to-region beginning end)
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;; Remove pre-existing numeric link reference definitions
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(goto-char (point-min))
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(while (re-search-forward "^\\[#[0-9]+\\]:" nil t) (kill-whole-line))
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;; Scan the region and collect link IDs
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(goto-char (point-min))
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(while (and (< (point) (point-max))
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(search-forward-regexp "\\[#\\([0-9]+\\)\\]" nil t))
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(setq nums (cons (match-string 1) nums)))
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(setq nums (sort nums #'string-version-lessp))
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(setq max-length (apply #'max (cons 0 (mapcar #'length nums))))
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;; Generate link reference definitions, with urls aligned
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(goto-char (point-max))
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(let ((fmt (concat "%-" (number-to-string (+ 4 max-length)) "s https://github.com/simonmichael/hledger/issues/%s\n")))
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(dolist (num nums)
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(insert
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(format fmt (format "[#%s]:" num) num))))
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)
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)
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))
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