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Feature request: show image previews for images tracked by lfs #2981

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zvinless opened this issue Oct 7, 2017 · 4 comments · May be fixed by #17686
Open

Feature request: show image previews for images tracked by lfs #2981

zvinless opened this issue Oct 7, 2017 · 4 comments · May be fixed by #17686
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enhancement

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@zvinless
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zvinless commented Oct 7, 2017

I suspect this has already been suggested/closed/written down somewhere, but I didn't find anything after a cursory search, so:

Basically, bring the GitHub site and original GitHub Desktop functionality to the cool new GitHub Desktop

  • Show image previews of lfs-tracked images as if they were plain image files
    • Show image preview when file is selected in Changes list or commit list
    • Show two images when displaying a diff with the four image diff modes
  • Indicate that the file is tracked in LFS with a badge, or maybe just by showing the LFS pointer file contents
  • Show a "Pull LFS File" button if the file does not exist locally (never downloaded, pruned, etc)

Mockup for if you have the image locally:
haslocalcontent

If the file does not exist locally:
nolocalcontent

In a diff:
nolocaldiff
(Not sure about the 4 image diff options when both files aren't present; I just grayed them out but there's probably a better solution)

This would make using GitHub Desktop much more intuitive for artists or anyone dealing with images.
@shiftkey
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@technoweenie I got curious about this one and went looking at the Git LFS docs - is there a recommended way to be able to read the contents of an asset using git-lfs to stdout? The best example I can think of from Git is git show [sha]:[path] and I couldn't find an equivalent for LFS.

@technoweenie
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technoweenie commented Oct 27, 2017 •
edited

The easiest way right now is to invoke the smudge filter manually:

$ git show [sha]:[path] | git lfs smudge

As a bonus, this will download the file locally to .git/lfs/objects, if necessary.

It will work with regular blobs, but LFS will complain about it.

# filename arg after 'git lfs smudge' is optional
# it provides a filename hint to lfs warning at the bottom
$ git show master:.gitattributes | git lfs smudge .gitattributes
*.gif filter=lfs diff=lfs merge=lfs -crlf
*.png filter=lfs diff=lfs merge=lfs -crlf
*.jpg filter=lfs diff=lfs merge=lfs -text
*.bin filter=lfs diff=lfs merge=lfs -text
Pointer file error: Unable to parse pointer at: ".gitattributes"

You can tell it to shut up:

$ git show master:.gitattributes | git lfs smudge 2>/dev/null
*.gif filter=lfs diff=lfs merge=lfs -crlf
*.png filter=lfs diff=lfs merge=lfs -crlf
*.jpg filter=lfs diff=lfs merge=lfs -text
*.bin filter=lfs diff=lfs merge=lfs -text

sh0c pushed a commit to sh0c/desktop that referenced this issue Nov 6, 2023
Add LFS object data get using git lfs smudge. Blob images for desktop…
b45e2ba 
…#2981 enchancement.
@sh0c
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sh0c commented Nov 6, 2023 •
edited

Hello, I made some changes in code that made possible to show diff between images in fork of the repository using git lfs smudge.
Here is link - https://github.com/sh0c/desktop/tree/lfs-image-diff

@sh0c sh0c linked a pull request Nov 6, 2023 that will close this issue
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@0xdevalias 0xdevalias mentioned this issue Dec 17, 2023
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@0xdevalias
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0xdevalias commented Dec 17, 2023 •
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See also:

@0xdevalias 0xdevalias mentioned this issue Dec 17, 2023
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sh0c pushed a commit to sh0c/desktop that referenced this issue Jan 20, 2024
@sh0c
Add LFS object data get using git lfs smudge. Blob images for desktop…
98d7ce3 
…#2981 enchancement.
sh0c pushed a commit to sh0c/desktop that referenced this issue Feb 26, 2024
Add LFS object data get using git lfs smudge. Blob images for desktop…
9fc466b 
…#2981 enchancement.
sh0c pushed a commit to sh0c/desktop that referenced this issue Mar 2, 2024
@sh0c
Add LFS object data get using git lfs smudge. Blob images for desktop…
76dd411 
…#2981 enchancement.
sh0c pushed a commit to sh0c/desktop that referenced this issue Apr 8, 2024
Add LFS object data get using git lfs smudge. Blob images for desktop…
b9d406b 
…#2981 enchancement.
sh0c pushed a commit to sh0c/desktop that referenced this issue Apr 19, 2024
Add LFS object data get using git lfs smudge. Blob images for desktop…
dbfd2fe 
…#2981 enchancement.
sh0c pushed a commit to sh0c/desktop that referenced this issue May 17, 2024
Add LFS object data get using git lfs smudge. Blob images for desktop…
5cf013b 
…#2981 enchancement.
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Add LFS object data get using git lfs smudge. Blob images for #2981 e… sh0c/desktop
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@technoweenie @shiftkey @0xdevalias @zvinless @sh0c