Merge branch 'nd/exclusion-regression-fix'

Another try to add support to the ignore mechanism that lets you say "this is excluded" and then later say "oh, no, this part (that is a subset of the previous part) is not excluded". * nd/exclusion-regression-fix: dir.c: don't exclude whole dir prematurely dir.c: support marking some patterns already matched dir.c: support tracing exclude dir.c: fix match_pathname()