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Re: [PATCH/RFC] Makefile: dedup list of files obtained from ls-files

SZEDER Gábor <szeder.dev@xxxxxxxxx> writes:

> I remember being rather puzzled by 'git ls-files' listing the same
> file more than once depending on its --options when I was working on
> the git-aware path completion parts of our completion script.

Yup, I recall a thread we recently had where we wondered why we see
two entries reported when we ask for 'modified' and 'deleted' at the
same time.

Perhaps not-so-low-hanging fruit miniproject would be to teach
"ls-files" a new "--dedup" option that does two things:

 * When -m and -d are asked at the same time, ignore '-d', because
   '-d' will give duplicates for subsets of what '-m' would show
   anyway; and

 * When neither -s nor -u is given, do not show the same path more
   than once, even the ones with multiple stages.