EDITOR=:
unset VISUAL
unset GIT_EDITOR
-unset AUTHOR_DATE
-unset AUTHOR_EMAIL
-unset AUTHOR_NAME
-unset COMMIT_AUTHOR_EMAIL
-unset COMMIT_AUTHOR_NAME
unset EMAIL
unset GIT_ALTERNATE_OBJECT_DIRECTORIES
unset GIT_AUTHOR_DATE
unset GIT_INDEX_FILE
unset GIT_OBJECT_DIRECTORY
unset GIT_CEILING_DIRECTORIES
-unset SHA1_FILE_DIRECTORIES
-unset SHA1_FILE_DIRECTORY
unset GIT_NOTES_REF
unset GIT_NOTES_DISPLAY_REF
unset GIT_NOTES_REWRITE_REF