# -*- 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")`ss='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>refs</a><a class='active' href='/guix/log/etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package'>log</a><a href='/guix/tree/etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>tree</a><a href='/guix/commit/etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>commit</a><a href='/guix/diff/etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package'>
<input type='hidden' name='id' value='b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>root</a>/<a href='/guix/log/etc?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>etc</a>/<a href='/guix/log/etc/snippets?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>snippets</a>/<a href='/guix/log/etc/snippets/yas?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>yas</a>/<a href='/guix/log/etc/snippets/yas/log-edit-mode?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>log-edit-mode</a>/<a href='/guix/log/etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8'>guix-vc-commit-message-add-package</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package?id=b6b3db9f08cbe37ddbdd44a7be8a1e4824aba3d8&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-11-28 23:34:15 +0100'>2022-11-28</span></td><td><a href='/guix/commit/etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package?id=fcb59fe24afc064b87b3abaf91140d015b4eb889'>snippets: yas: Add snippets for vc.el</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/yas/log-edit-mode/guix-vc-commit-message-add-package:
* etc/snippets/yas/log-edit-mode/guix-vc-commit-message-remove-package:
* etc/snippets/yas/log-edit-mode/guix-vc-commit-message-rename-package:
* etc/snippets/yas/log-edit-mode/guix-vc-commit-message-update-package:
* etc/snippets/yas/log-edit-mode/guix-vc-commit-message-use-https-home-page:
New file

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Morgan Smith</td></tr>