f, fixup <commit> = like \"squash\", but discard this commit's log message
x, exec <commit> = run command (the rest of the line) using shell
d, drop <commit> = remove commit
+l, label <label> = label current HEAD with a name
+t, reset <label> = reset HEAD to a label
These lines can be re-ordered; they are executed from top to bottom.
" | git stripspace --comment-lines >>"$todo"