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

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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
  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 splitting

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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
  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 split

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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:Salomé (1922).webm → File:Salome (1923).webm

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Request: Merge Reason: Same film. 37.248.177.100 00:29, 23 August 2024 (UTC)[reply]

 Not done Different length, different sources. Yann (talk) 06:43, 23 August 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 05:38, 24 August 2024 (UTC)

Category:Buildings in Fog → Category:Buildings in fog

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  • Request: Merge
  • Reason: Duplicate.

--Shawn à Montréal (talk) 18:53, 23 August 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 05:38, 24 August 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 05:38, 24 August 2024 (UTC)

Category:Cuzco by year → Category:Cusco by year

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  • Request: Merge
  • Reason: It's the same city, just different spellings

--JustEMV (talk) 22:20, 25 August 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 18:15, 26 August 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 18:15, 26 August 2024 (UTC)

Category:Cuzco by decade → Category:Cusco by decade

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  • Request: Merge
  • Reason: Duplicate, just different spellings of same city.

--JustEMV (talk) 22:22, 25 August 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 18:16, 26 August 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 18:16, 26 August 2024 (UTC)

File:THSR 700T to Bagua Plateau 20080207 (2).jpg

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  • Request: Split
  • Reason: Somebody made a crop and overwrote the original file. I clicked the thumbnail and saw that the image at the left and bottom were cropped. Compare the differences between the cropped version and original version, the former seems to be 25% (maybe 20%) less than the latter. Not only that, the brightness of the former has noticeably brighter, especially the color of the rail viaduct (concrete part) becomes whiter. However, the reason in the edit summary says "minor cropping, no need to split." I personally think whether this is "minor cropping" needs further discussion.--125.230.85.122 19:57, 26 August 2024 (UTC)[reply]
✓ Done The overwritten file is available as File:THSR 700T to Bagua Plateau 20080207 (cropped) (2).jpg --Sreejith K (talk) 14:33, 27 August 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 14:33, 27 August 2024 (UTC)

File:The Three Musketeers (film 1921).webm → File:The Three Musketeers (1921).webm

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  • Request: Merge
  • Reason: Practically is the same movie, sans three seconds. One of file - File:The Three Musketeers (film 1921).webm has higher resolution. And instead of deleting one of the files, it's easier to combine them.. Keep merged file as "The Three Musketeers (1921).webm".

OGPawlis (talk) 23:27, 26 August 2024 (UTC)[reply]

File:Greed (1924) Reconstruction.webm → File:GREED 1924.webm

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  • Request: Merge
  • Reason: I found the higher resolution of the same file (also uploaded by me). Ill be glad to merge both file. Name the merged file as "Greed (1924) Reconstruction.webm"

OGPawlis (talk) 17:23, 27 August 2024 (UTC)[reply]

File:Війна гаргантюа.jpg

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Request: Split Reason: One of version of file (dated 21:00, 20 July 2021) is complete different photo. Can someone split as different file? OGPawlis (talk) 11:38, 29 August 2024 (UTC)[reply]

✓ Done - New file is available as File:Війна_гаргантюа (2).jpg --Sreejith K (talk) 22:31, 29 August 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 22:31, 29 August 2024 (UTC)

File:海不揚波圖（廈門）.jpg

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✓ Done - Moved the overwritten files to File:海不揚波圖（廈門） (2).jpg and File:海不揚波圖（廈門） (3).jpg --Sreejith K (talk) 16:31, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:31, 3 September 2024 (UTC)

File:化石石灰岩.jpg

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✓ Done --Sreejith K (talk) 16:33, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:33, 3 September 2024 (UTC)

File:銅漆金佛陀立像.jpg

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✓ Done --Sreejith K (talk) 16:39, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:39, 3 September 2024 (UTC)

File:《致阿提庫斯函》.jpg

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✓ Done - Moved the overwritten files to File:《致阿提庫斯函》 (2).jpg and File:《致阿提庫斯函》 (3).jpg --Sreejith K (talk) 16:40, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:40, 3 September 2024 (UTC)

File:勸業銀行臺北支店中央空調冰水主機.jpg

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✓ Done --Sreejith K (talk) 16:43, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:43, 3 September 2024 (UTC)

File:Cooch Behar Palace in the afternoon 5 1.jpg

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  • Request: [Split]
  • Reason: Different shots were uploaded into a single file by mistake. Kindly split into different files for each of the previous versions.

--Kingshuk Mondal (talk) 15:27, 2 September 2024 (UTC)[reply]

✓ Done - Overwritten file moved to File:Cooch_Behar_Palace_in_the_afternoon_5_1 (3).jpg --Sreejith K (talk) 16:44, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:44, 3 September 2024 (UTC)

File:Peace Congress flag.svg → File:Peace Congress flag (colour corrected).svg

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✓ Done --Sreejith K (talk) 16:57, 3 September 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, 3 September 2024 (UTC)

File:Cooch Behar Palace in the afternoon 5 1 (2).jpg

[edit]
  • Request: [Split]
  • Reason: Different shots were uploaded into a single file by mistake. Kindly split into different files for each of the previous versions.

--Kingshuk Mondal (talk) 14:24, 3 September 2024 (UTC)[reply]

✓ Done - Overwritten files moved to File:Cooch Behar Palace in the afternoon 5 1 (4).jpg and File:Cooch Behar Palace in the afternoon 5 1 (5).jpg --Sreejith K (talk) 16:48, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:48, 3 September 2024 (UTC)

File:Billiard Table used by Royal Family of Cooch Behar at Cooch Behar Palace 2.jpeg

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  • Request: [Split]
  • Reason: Different shots were uploaded into a single file by mistake. Kindly split into different files for each of the previous versions.

--Kingshuk Mondal (talk) 14:27, 3 September 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 16:49, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:49, 3 September 2024 (UTC)

File:Alampur Shahi Jame Masjid at Alampur in South 24 Parganas district of West Bengal.jpeg

[edit]
  • Request: [Split]
  • Reason: Different shots were uploaded into a single file by mistake. Kindly split into different files for each of the previous versions.

--Kingshuk Mondal (talk) 14:27, 3 September 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 20:54, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 20:54, 3 September 2024 (UTC)

File:The old Budge Budge Railway Station in South 24 Parganas district of West Bengal from where Swami Vivekananda boarded the train to Calcutta in 1897 (11).JPG

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  • Request: [Split]
  • Reason: Different shots were uploaded into a single file by mistake. Kindly split into different files for each of the previous versions.

--Kingshuk Mondal (talk) 14:27, 3 September 2024 (UTC)[reply]

✓ Done --Sreejith K (talk) 17:07, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 17:07, 3 September 2024 (UTC)

File:Surya 10th Century at Museum inside Coochbehar Palace.jpeg

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  • Request: [Split]
  • Reason: Different shots were uploaded into a single file by mistake. Kindly split into different files for each of the previous versions.

--Kingshuk Mondal (talk) 14:27, 3 September 2024 (UTC)[reply]

✓ Done - Overwritten file moved to File:Surya 10th Century at Museum inside Coochbehar Palace (2).jpeg --Sreejith K (talk) 16:50, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:50, 3 September 2024 (UTC)

File:Vishnu 7th 8th Century at Museum inside Coochbehar Palace.jpeg

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  • Request: [Split]
  • Reason: Different shots were uploaded into a single file by mistake. Kindly split into different files for each of the previous versions.

--Kingshuk Mondal (talk) 14:27, 3 September 2024 (UTC)[reply]

✓ Done - Overwritten file moved to File:Vishnu_7th_8th_Century_at_Museum_inside_Coochbehar_Palace (2).jpeg --Sreejith K (talk) 16:52, 3 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:52, 3 September 2024 (UTC)

Category:Cedar Fair → Category:Six Flags

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✓ Done --Sreejith K (talk) 03:46, 6 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 03:46, 6 September 2024 (UTC)

File:Memorial Plaque at the old Budge Budge railway station in South 24 Parganas district of West Bengal from where Swami Vivekananda boarded the train to Calcutta in 1897 (2).JPG

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  • Request: [Split]
  • Reason: Different shots were uploaded into a single file by mistake. Kindly split into different files for each of the previous versions.

--Kingshuk Mondal (talk) 14:27, 3 September 2024 (UTC)[reply]

 Comment - Nominated the file for deletion because the text could be copyrighted. I will split the file if the deletion request is declined. At that point, add {{Split}} template the file, you don't need to add a request here. --Sreejith K (talk) 16:54, 3 September 2024 (UTC)[reply]
@Sreejithk2000 thanks. I've added {{Split}} template to some of my files. Kindly have a look. Kingshuk Mondal (talk) 15:22, 4 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 16:54, 3 September 2024 (UTC)

Category:CBS This Morning → Category:CBS Mornings

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  • Request: Merge
 Not done - The category already has {{Category redirect}} template. --Sreejith K (talk) 03:47, 6 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 03:47, 6 September 2024 (UTC)

Category:The Early Show → Category:CBS Mornings

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  • Request: Merge
 Not done - The category already has {{Category redirect}} template. --Sreejith K (talk) 03:47, 6 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 03:47, 6 September 2024 (UTC)

Category:CBS Morning News → Category:CBS Mornings

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  • Request: Merge
 Not done - The category already has {{Category redirect}} template. --Sreejith K (talk) 03:48, 6 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 03:48, 6 September 2024 (UTC)

Category:The Morning Program → Category:CBS Mornings

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 Not done - The category already has {{Category redirect}} template. --Sreejith K (talk) 03:48, 6 September 2024 (UTC)[reply]
Checkmark This section is resolved and can be archived. If you disagree, replace this template with your comment. --Sreejith K (talk) 03:48, 6 September 2024 (UTC)

See also

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