git - How to prevent losing .gitignore when checking-out older branches? -

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if in master , stuff want safe git ignored, then:

    git checkout <oldbranch or commit>

but old branch doesn't have ignored files arrgh! untracked files added etc , vulnerable reset --hard etc.

is there more elegant fix here other than:

    git checkout master .gitignore     #maybe write hook every checkout of <oldbranch or commit>?

or manage copying .gitignore .git/info/exclude?

adding rules in .git/info/exclude 1 way, remains local workaround: won't pushed .gitignore file would.

the best option remains create .gitignore in checked out branch:

git checkout abranchwithoutgitignore git checkout master -- .gitignore git add .gitignore git commit -m "add .gitignore master"

then cherry-pick commit other branches.


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