Commons:History merging and splitting

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Visualization of the merging process.

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 merging[edit]

Shortcut

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
# Temporarily delete NewPage
  1. 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.)
  2. 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.)
  3. 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 splitting[edit]

Shortcut

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
# Temporarily delete the page/file (original title)
  1. Restore previous revisions up to (but not including) the point where the topic was changed.
  2. 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.
  3. Restore new revisions of new topic (still at original title).

A history merge could also be undone in this way.

Requesting a merge or split[edit]

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.
 

Add a new request

Shortcut

Current requests

View Edit Add topic

 See also categories: Media requiring a split up and Requested merges.

File:Igreja2.jpg → File:Igreja2 - Brazil.jpg[edit]

  • Request: Split
  • Reason: The file was overwritten in 2011 with a completely different image

--WikiEditor50 (talk) 13:43, 24 February 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 20:48, 25 February 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 20:48, 25 February 2024 (UTC)

File:OBR Hdandnvoer 12024f.webm → FILE:OBR Hannover 2024.webm[edit]

  • Request: Merge
  • Reason: larger fragment

--C.Suthorn (@Life_is@no-pony.farm - p7.ee/p) (talk) 17:26, 25 February 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 21:11, 28 February 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 21:11, 28 February 2024 (UTC)

File:Peter H Feist 2006.jpg → File:Peter H Feist 2009.jpg[edit]

  • Request: Split
  • Reason: different images

— Speravir – 02:29, 29 February 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 16:57, 29 February 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:57, 29 February 2024 (UTC)

FILE:OBR Hannovier 1-2024.webm → FILE:OBR Hannover 2024.webm[edit]

  • Request: Merge
  • Reason:

--C.Suthorn (@Life_is@no-pony.farm - p7.ee/p) (talk) 04:44, 1 March 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 19:19, 1 March 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 19:19, 1 March 2024 (UTC)

File:1927. Конец Санкт-Петербурга.webm → File:The End of St. Petersburg (1927).webm[edit]

  • Request: [Merge]
  • Reason: This is the same movie. Please merge as "Конец Санкт-Петербурга (1927)".

--2A00:F41:3801:BD4F:C143:1BF1:FF80:D30A 16:52, 2 March 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 14:53, 4 March 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 14:53, 4 March 2024 (UTC)

File:The Circus (1928).webm → File:The Circus (1928) by Charlie Chaplin (restored version).webm[edit]

  • Request: [Merge]
  • Reason: The same movie. One file has a higher quality version.

--37.109.167.232 15:32, 5 March 2024 (UTC)[reply]

✓ Done--Sreejith K (talk) 16:58, 5 March 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:57, 5 March 2024 (UTC)

File:Air India Logo 2023.svg → File:Air India 2023.svg[edit]

  • Request: Merge
  • Reason: Two files are essentially a single file that should be merge. The first file was uploaded on 11 August 2023 with the size of 796 x 184 (5 kb), while the second file was uploaded by Arnav Bahte on 31 December 2023 and had lower image size of 168 x 39 (4 KB) but these two file contained same logo that needs to be merge. So, all edit history of the second file can be appeared at the first file.

--Yayan550 (talk) 03:17, 7 March 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 05:06, 7 March 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 05:06, 7 March 2024 (UTC)

File:Franz von Lenbach Venus von Urbino (nach Tizian) 1866 Sammlung Schack.jpg → File:Tizian Venus von Urbino 1538 Sammlung Uffizien.jpg[edit]

Request: Split Reason: The file was overwritten in August 2017 with a completely different image, which depicts not Franz von Lenbach's version (see here), but Titian's original painting (compare with another photograph of the original). 81.41.180.213 17:22, 7 March 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 19:03, 7 March 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 19:03, 7 March 2024 (UTC)

File:Little Annie Rooney.1925.webm → File:Little Annie Rooney (1925).webm[edit]

  • Request: Merge
  • Reason: There should be one video file. But there is no stand-alone merging function, and it would be a pity to delete one file of lower quality (which is placed everywhere), so I would suggest merging both files under the old name - "Little Annie Rooney (1925).webm".

2A00:F41:2C54:DF4B:9909:6347:9C38:A5EF 19:48, 7 March 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 07:44, 8 March 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 07:44, 8 March 2024 (UTC)

File:Carrer de Caterina Tarongí, Palma.jpg → File:Carrer de Caterina Tarongí, Palma 2.jpg[edit]

  • Request: Split
  • Reason: The file was overwritten with a completely different image.

--WikiEditor50 (talk) 23:27, 7 March 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 07:20, 8 March 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 07:20, 8 March 2024 (UTC)

See also[edit]

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