guix/etc/snippets/text-mode/guix-commit-message-update-package
Nicolas Goaziou 988a49c78e
etc: snippets: Fix name extraction.
* etc/snippets/text-mode/guix-commit-message-update-package: Since git commit
mode is not derived from any Lisp mode, so-called sexp or symbols do not
include the period character.  As a consequence, names including versions are
not properly extracted. Also use more idiomatic (goto-char (point-min))
instead of (beginning-of-buffer).
2020-12-04 17:09:38 +01:00

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# -*- mode: snippet -*-
# name: guix-commit-message-update-package
# key: update
# condition: git-commit-mode
# --
gnu: ${1:`(with-temp-buffer
(magit-git-wash #'magit-diff-wash-diffs
"diff" "--staged")
(goto-char (point-min))
(when (re-search-forward "(define-public \\(\\S-+\\)" nil 'noerror)
(match-string-no-properties 1)))`}: Update to ${2:`(with-temp-buffer
(magit-git-wash #'magit-diff-wash-diffs
"diff" "--staged")
(goto-char (point-min))
(search-forward "name" nil 'noerror)
(search-forward "+" nil 'noerror) ; first change
(when (and (search-forward "version " nil 'noerror)
(looking-at-p "\""))
(let ((end (save-excursion (search-forward "\")" nil 'noerror))))
(when end
(forward-char)
(buffer-substring-no-properties (point) (- end 2))))))`}.
* `(car (magit-staged-files))` ($1): Update to $2.$0
`(mapconcat (lambda (file) (concat "* " file)) (cdr (magit-staged-files)) "\n")`