I want to rewrite the git history of my repository with git-filter-branch to replace all occurrences of "foo.bar" with "bar.foo" in all files.
How can I achieve this?
Update:
I've being playing with the --tree-filter parameter and I've been able to replace the word in a specified file with this:
git filter-branch -f --tree-filter '
if [ -f testfile ]
then
sed -i s/foo.bar/bar.foo/g testfile
fi ' -- --all
This seems to be the closest I can get to achieve what I wanted.
The tree filter is run on every tree being filtered, one tree at a time.
In terms of its effect, you can imagine it as if you had done:
git checkout <rev>
so that the work directory now contains the tree associated with the given revision. (In fact, it does pretty much check out every revision, into a temporary directory, which is why it's so slow. See also the -d flag.) If you want a change made to every file in the tree, you might do:
find . -type f -print | xargs sed -i '' -e 's/foo\.bar/bar.foo/g'
The special thing about --tree-filter is that it automatically does any required git add and/or git rm (hence -i ''; -i .bak would git add all the .bak files).
(Remember to use --tag-name-filter if you have tags, and beware of signature removal on annotated tags.)
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