change the author of a commit in git?
git filter-branch --index-filter \ 'find -name ''*.mp3'' -or -name ''*.ogg'' | xargs -d''\n'' rm -f'#Suppose you want to remove a file (containing confidential information or copyright violation) from all commits:git filter-branch --tree-filter 'rm filename' HEAD
git filter-branch --commit-filter ' if [ "$GIT_COMMITTER_NAME" = "<Old Name>" ]; then GIT_COMMITTER_NAME="<New Name>"; GIT_AUTHOR_NAME="<New Name>"; GIT_COMMITTER_EMAIL="<New Email>"; GIT_AUTHOR_EMAIL="<New Email>"; git commit-tree "$@"; else git commit-tree "$@"; fi' HEAD
git filter-branch -f --env-filter "GIT_AUTHOR_NAME='Newname'; GIT_AUTHOR_EMAIL='newemail'; GIT_COMMITTER_NAME='Newname'; GIT_COMMITTER_EMAIL='newemail';" HEADgit filter-branch -f --env-filter " GIT_AUTHOR_NAME='Newname' GIT_AUTHOR_EMAIL='newemail' GIT_COMMITTER_NAME='Newname' GIT_COMMITTER_EMAIL='newemail' " HEAD
