# -*- 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")`y</a><a href='/guix/refs/?id=4d35a5e2b6486e24bb74665ab6a65ca0cfd0b475'>refs</a><a class='active' href='/guix/log/NEWS'>log</a><a href='/guix/tree/NEWS?id=4d35a5e2b6486e24bb74665ab6a65ca0cfd0b475'>tree</a><a href='/guix/commit/NEWS?id=4d35a5e2b6486e24bb74665ab6a65ca0cfd0b475'>commit</a><a href='/guix/diff/NEWS?id=4d35a5e2b6486e24bb74665ab6a65ca0cfd0b475'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/NEWS'>
<input type='hidden' name='id' value='4d35a5e2b6486e24bb74665ab6a65ca0cfd0b475'/><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=4d35a5e2b6486e24bb74665ab6a65ca0cfd0b475'>root</a>/<a href='/guix/log/NEWS?id=4d35a5e2b6486e24bb74665ab6a65ca0cfd0b475'>NEWS</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/NEWS?id=4d35a5e2b6486e24bb74665ab6a65ca0cfd0b475&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-12-18 01:17:15 +0100'>2022-12-18</span></td><td><a href='/guix/commit/NEWS?id=a8f9579348aae58b68b25004cfd28aa7407db802'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-12-17 19:15:50 +0100'>2022-12-17</span></td><td><a href='/guix/commit/NEWS?id=239bfe2ec1fa3b4305500211e6cade6e4bda2a62'>Update NEWS.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-12-02 23:20:54 +0100'>2022-12-02</span></td><td><a href='/guix/commit/NEWS?id=7ef490e3fc94e0b9025c98797fc014f07e21c4cc'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-11-23 17:22:11 +0100'>2022-11-23</span></td><td><a href='/guix/commit/NEWS?id=7a2082023ad9c7479bfedf39537606a088222d48'>NEWS: Update it.</a><span class='msg-avail'>...<span class='msg-tooltip'>* NEWS: Shepherd is already at 0.9.3 now.
</span></span></td><td>Jonathan Brielmaier</td></tr>
<tr><td><span title='2022-11-16 14:28:09 -0500'>2022-11-16</span></td><td><a href='/guix/commit/NEWS?id=e06df550e21d596b65dc3e5b3e99152be58372b3'>Update NEWS.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-10-13 10:49:19 +0200'>2022-10-13</span></td><td><a href='/guix/commit/NEWS?id=d2ca9334a304ab5837b62968b77bbbab34af7afe'>NEWS: Update it.</a><span class='msg-avail'>...<span class='msg-tooltip'>* NEWS: Add an entry about 'guix shell' --emulate-fhs option.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-10-07 10:11:13 -0400'>2022-10-07</span></td><td><a href='/guix/commit/NEWS?id=6e3dab4737832a78de07dd805a4057eb5f4cfcf3'>Update NEWS.</a><span class='msg-avail'>...<span class='msg-tooltip'>* NEWS: Add new entry for installation script improvements.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-09-28 09:06:10 +0200'>2022-09-28</span></td><td><a href='/guix/commit/NEWS?id=70a593242e6b288a0348154f09c4ddbc732463d8'>Update NEWS.</a><span class='msg-avail'>...<span class='msg-tooltip'>* NEWS: Add new services for the 1.4.0.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-09-26 09:47:10 +0200'>2022-09-26</span></td><td><a href='/guix/commit/NEWS?id=4b551518d0a14a6ac1655bde3d23f6d189f49490'>NEWS: Update it.</a><span class='msg-avail'>...<span class='msg-tooltip'>* NEWS: Add an entry about WSL images.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-09-24 18:08:05 +0200'>2022-09-24</span></td><td><a href='/guix/commit/NEWS?id=b814bdf441bf8863b3b6bd846c21f23c2ac2d511'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-09-23 00:50:17 -0400'>2022-09-23</span></td><td><a href='/guix/commit/NEWS?id=a57c4eff6bbdcff79294fa15ecb95ab2b3c55bb4'>Update NEWS.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-09-19 09:06:47 +0200'>2022-09-19</span></td><td><a href='/guix/commit/NEWS?id=41b30f40beb74f8d45cff167a8b62b8f88cf26c4'>Update NEWS.</a><span class='msg-avail'>...<span class='msg-tooltip'>* NEWS: Mention Shepherd 0.9.2 upgrade.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-09-16 10:01:56 +0200'>2022-09-16</span></td><td><a href='/guix/commit/NEWS?id=c0d25bef71af32dfb98e93ddcb82d0003c8714f8'>Update NEWS.</a><span class='msg-avail'>...<span class='msg-tooltip'>Entries extracted from:
        git log 3eadcdc63..version-1.4.0

* NEWS: Update entries for v1.4.0
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-09-15 16:57:39 -0400'>2022-09-15</span></td><td><a href='/guix/commit/NEWS?id=011dab59d80690d20875d43e73c3cfd8af95af99'>Update NEWS.</a><span class='msg-avail'>...<span class='msg-tooltip'>This covers the commits made between v1.3.0..3eadcdc6^.

* NEWS: New entries for the 1.4.0 upcoming release.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-09-14 23:57:56 -0400'>2022-09-14</span></td><td><a href='/guix/commit/NEWS?id=839950c4a9925bf3d7108cb8533be37b185fb8bd'>Update NEWS.</a><span class='msg-avail'>...<span class='msg-tooltip'>These news were extracted from the output of:

   git log --reverse v1.3.0..03eb0b1be2cfedd0d9a66fef0edc53a17f7653a5.

* NEWS: Update entries for v1.4.0.
</span></span></td><td>Maxim Cournoyer</td></tr>