git：创建涂抹过滤器后重新签出文件

Question

Situation: I've just cloned a git repo, and then I configure the smudge filter for the repo. There are .gitattributes files scattered around the repo that specify the filter that should be used on the files at checkout. But since I setup the filter after the checkout (clone), none of the files were processed.

How can I tell git to go through the repo, find all the .gitattributes files, and update (re-checkout, apply filter, whatever) all the files which have a smudge filter on them?

Answer 1

Simply re-checkout everything.

cd /path/to/your/repo
git stash save
rm .git/index
git checkout HEAD -- "$(git rev-parse --show-toplevel)"
git stash pop

The smudge filter will be applied at that new checkout.

Note, as seen in this answer , you need to remove the index in order to force the filter to run again.

Alexander Amelkin comments below :

I have created an alias ' reattr ' to perform all those steps and now I am happy.

reattr = !sh -c "\"git stash save; rm .git/index; git checkout HEAD -- \\\"$(git rev-parse --show-toplevel)\\\"; git stash pop\""

(multi-line for readability)

reattr = !sh -c "\"git stash save; \
                   rm .git/index; \
                   git checkout HEAD -- \\\"$(git rev-parse --show-toplevel)\\\"; \
                   git stash pop\""

Answer 2

You can remove the Git index and let Git rescan it to aware the changes. Then you can checkout all the files which have a smudge filter on them.

# remove Git index
rm .git/index

# rescan index
git reset HEAD -- .

# checkout all the files which have a smudge filter on them
git ls-files --modified | grep -v .gitattributes | awk '{print "git checkout HEAD -- \""$1"\""}' | bash

Note: Save your uncommitted changes before the re-checkout, otherwise, all your modifications on those smudge-filter-applied files will be overridden.