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Documentation: filter-branch env-filter example

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filter-branch --env-filter example that shows how to change the email
address in all commits before publishing a project.

Signed-off-by: Tadeusz Andrzej Kadłubowski <yess@hell.org.pl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Tadeusz Andrzej Kadłubowski 2013-02-21 21:23:38 +01:00 committed by Junio C Hamano
parent bee3eb079d
commit 21b6e4f24c
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Documentation/git-filter-branch.txt
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@ -332,6 +332,26 @@ git filter-branch --msg-filter '
' HEAD~10..HEAD
--------------------------------------------------------
The `--env-filter` option can be used to modify committer and/or author
identity. For example, if you found out that your commits have the wrong
identity due to a misconfigured user.email, you can make a correction,
before publishing the project, like this:
--------------------------------------------------------
git filter-branch --env-filter '
if test "$GIT_AUTHOR_EMAIL" = "root@localhost"
then
GIT_AUTHOR_EMAIL=john@example.com
export GIT_AUTHOR_EMAIL
fi
if test "$GIT_COMMITTER_EMAIL" = "root@localhost"
then
GIT_COMMITTER_EMAIL=john@example.com
export GIT_COMMITTER_EMAIL
fi
' -- --all
--------------------------------------------------------
To restrict rewriting to only part of the history, specify a revision
range in addition to the new branch name. The new branch name will
point to the top-most revision that a 'git rev-list' of this range