Git Question
Custom git clean filter modifies file in commit but not working directory
I have a custom .gitattributes entry like so:
*.csproj text filter=csprojsort
The corresponding filter is set up like so in .git/config:
[filter "csprojsort"]
clean = "path/to/repo/csprojsort.exe"
Upon commiting a .csproj file with changes, the filter executes as intended by sorting the file alphabetically and then proceeding to commit the changes. If I do a
git show path/to/file.csprojHowever, the file does NOT change in my working directory, and git does not recognize that the current state is out of sync. Only when I checkout another branch and then checkout the original branch does the file update on disk.
Any clue what is behind this? Thanks.
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Answer Source
That sounds like the filter is working as intended. The documentation says a clean filter is "...used to convert the content of a worktree file to a blob upon checkin", which is exactly the behavior you're seeing. It doesn't modify files in your working directory.
A smudge filter does the opposite: when you check out a file, the smudge filter runs before the data is written to a file.
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