Commons:History merging and splitting

(Redirected from Commons:SPLIT)
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Page history merge Simple.png

Shortcuts: COM:HMS • COM:HISTMERGE This page provides information on issues and solutions relating pages and files that underwent cut-and-paste moves (which its history has to be put back together), and inappropriate merging/overwriting (of which its history needs to be split).

History mergingEdit

Shortcut
COM:MERGE

Because most users have the ability to use the move page function, cut-and-paste moves are usually done by people who are not aware of that function, or when the move function fails (e.g. because the target has history), and people who aren't aware of the Administrators Noticeboard forum to ask for help from an administrator.

When a cut-and-paste move is done, the page history of a page can be split among two or more different pages. This is very undesirable, because we need to keep the history with the content for copyright reasons. In most circumstances, administrators are able to fix this by merging page histories.

Instructions for admins
  1. Temporarily delete NewPage
  2. Move OldPage to NewPage, using the move functionality. (In case it is a file, you have to open the Move & Replace link in a new tab or disable AjaxQuickDelete in your preferences.) (Now the old history versions are the whole of the new title’s.)
  3. Undelete the NewPage page, by:
    1. Viewing the page/file history
    2. Clicking “View or restore … deleted edits?”, and
    3. Clicking on “Restore!”. (Now the new title’s history has both the old and new versions, including an extra copy of the most recent version of OldPage, created by the move tool.)
  4. At this stage, NewPage will only show the text “#REDIRECT NewPage” (assuming a redirect was the most recent version of OldPage, the NewPage page will now be showing whatever the most recent version of OldPage was). The last step is to revert (or RevisionDelete) to the last version of NewPage from before the move.

Special:MergeHistory makes it possible to automatically merge the history of two pages.


History splittingEdit

Over time, pages or files may change from one underlying topic to a completely separate topic. Normally, this should be accomplished through moves of pages, or by reuploading an altered file on a slightly different title. However, if a user is unfamiliar with those processes they may simply change the subject of a page or file (overwriting the old). If this is not caught immediately it is very easy for the new topic to build up a substantial edit history of its own.

Instructions for admins
  1. Temporarily delete the page/file (original title)
  2. Restore previous revisions up to (but not including) the point where the topic was changed.
  3. Move (without redirect) the restored versions (old topic) to the desired new title. (In case it is a file, you have to open the Move & Replace link in a new tab or disable AjaxQuickDelete in your preferences.)
    • If there’s already a file or page under the new title and you wish to histmerge into it:
    a) select the “delete the existing article” option, while moving;
    b) restore deleted revisions of new title.
  4. Restore new revisions of new topic (still at original title).

A history merge could also be undone in this way.

Requesting a merge or splitEdit

To request a merge or split, fill the following template, and submit it at the bottom of this page. Remember, both files need to be of the same type. Merging of more than two files may also be possible in some cases.


== [[:FILE/PAGE 1]] → [[:FILE/PAGE 2]] ==
* Request: [Split or Merge]
* Reason:
--~~~~
  • For merges, replace FILE/PAGE 2 with the page you want FILE/PAGE 1 contents to be merged into.
  • For splits, replace FILE/PAGE 2 with the new filename which you want the newer content to be moved from FILE/PAGE 1.
 

Current requests

View Edit Add topic

File:Daisy Chain Procession.jpgFile:Daisy Chain Procession (cropped).jpgEdit

  • Request: Split
  • Reason: Same file with cropping difference.--Kai3952 (talk) 09:03, 28 April 2021 (UTC)
  Done --Sreejith K (talk) 00:58, 30 April 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 00:58, 30 April 2021 (UTC)

File:120526-A-AO884-290 (7296511114).jpgFile:Defense.gov photo essay 120526-A-AO884-100.jpgEdit

  • Request: Merge
  • Reason: Both are the same pictures, but the brightness is not the same. If not approved, please let me know why and what the appropriate next step is.--Kai3952 (talk) 09:32, 28 April 2021 (UTC)
  Done --Sreejith K (talk) 02:40, 7 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 02:40, 7 May 2021 (UTC)

File:KeikyuNew1000SUS.JPGFile:KeikyuNew1000SUS (2).jpgEdit

  • Request: [Split]
  • Reason: These two versions are taken on different time and different places. The one is taken on June 3rd 2012, the another is on June 14th 2014. Thank you. LERK (Talk / Contributions / Mail) 15:34, 28 April 2021 (UTC)
  Done --Sreejith K (talk) 01:01, 30 April 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 01:01, 30 April 2021 (UTC)

File:Huadu Railway Station.jpgFile:Huadu Railway Station (2).jpgEdit

  • Request: Split
  • Reason: Taken at different time.

--MNXANL (talk) 05:12, 30 April 2021 (UTC)

  Done --Sreejith K (talk) 15:54, 30 April 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 15:54, 30 April 2021 (UTC)

File:杭州采何第三小学2010-2016届603版毕业纪念.jpgEdit

  • Request: Split
  • Reason: Multiple overwrites.

The original version should be kept as File:杭州采何第三小学2010-2016届603版毕业纪念.jpg, while the other versions should be split and renamed as follows:

  Done --Sreejith K (talk) 06:02, 2 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 06:02, 2 May 2021 (UTC)

File:Douglas Logo.svgFile:Douglas Logo 07.2013.svg and File:Douglas Logo 06.2018.svgEdit

--Adrio (talk) 16:33, 5 May 2021 (UTC)

  Done --Sreejith K (talk) 19:13, 5 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 19:13, 5 May 2021 (UTC)

File:Leiser.svgFile:Leiser Logo 05.2009.svg and File:Leiser Logo 03.2015.svgEdit

  • Request: Split
  • Reason: The older logo had been overwritten by the more recent one. Both files should exist on Commons separately under more descriptive names.

--Adrio (talk) 18:19, 5 May 2021 (UTC)

  Done --Sreejith K (talk) 18:47, 5 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 18:47, 5 May 2021 (UTC)

File:石虎(豹貓)標本.jpgFile:石虎(豹貓)標本2.jpgEdit

  Done --Sreejith K (talk) 02:42, 7 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 02:42, 7 May 2021 (UTC)

File:鄒族達邦社女子上衣.jpgFile:鄒族達邦社女子上衣20210114.jpgEdit

  • Request: Split
  • Reason: The original photo was overwritten by a different photo taken by the same author at a later date.--Kai3952 (talk) 21:41, 5 May 2021 (UTC)
  Done --Sreejith K (talk) 02:49, 7 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 02:49, 7 May 2021 (UTC)

File:臺灣總督府交通局鐵道部大廳消防栓.jpgFile:臺灣總督府交通局鐵道部大廳消防栓2.jpgEdit

  • Request: Split
  • Reason: The file should be split from all older versions because it was taken from different angles.--Kai3952 (talk) 21:41, 5 May 2021 (UTC)
  Done --Sreejith K (talk) 02:51, 7 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 02:51, 7 May 2021 (UTC)

File:雅美族伊瓦達斯社拼板舟.jpgFile:雅美族伊瓦達斯社拼板舟20200320.jpgEdit

  • Request: Split
  • Reason: The original photo was overwritten by a different photo taken by the same author at a later date.--Kai3952 (talk) 21:41, 5 May 2021 (UTC)
  Done --Sreejith K (talk) 02:54, 7 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 02:54, 7 May 2021 (UTC)

File:屏東縣霧臺鄉好茶村永久屋.jpgFile:屏東縣霧臺鄉好茶村永久屋2.jpgEdit

  Done --Sreejith K (talk) 03:00, 7 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 03:00, 7 May 2021 (UTC)

File:台車模型.jpgFile:台車模型2.jpgEdit

  • Request: Split
  • Reason: The file should be split from all older versions because it was taken from different angles.--Kai3952 (talk) 21:41, 5 May 2021 (UTC)
  Done --Sreejith K (talk) 13:27, 7 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 13:27, 7 May 2021 (UTC)

File:泰雅族汲水竹筒.jpgFile:泰雅族汲水竹筒2.jpgEdit

  • Request: Split
  • Reason: The file should be split from all older versions because it was taken from different angles.--Kai3952 (talk) 21:41, 5 May 2021 (UTC)
  Done --Sreejith K (talk) 13:30, 7 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 13:30, 7 May 2021 (UTC)

File:Theresa May in Tallin crop (cropped).jpgFile:Theresa May in Tallin crop.jpgEdit

  • Request: [Merge]
  • Reason: Same image with only a minor cropping difference.

--ᴀlbanɢeller (talk) 20:18, 6 May 2021 (UTC)

  Done --Sreejith K (talk) 17:38, 12 May 2021 (UTC)
  This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 17:38, 12 May 2021 (UTC)

Category:Prince Harry in 2005Category:Prince Harry in 2005Edit

I tried to restore the categories, however, it was not possible due to the history of each one. I ask that someone, please, to move and merge the histories of the following categories:

--Minerva97 (talk) 14:18, 12 May 2021 (UTC)

See alsoEdit