Re: [PATCH] filter-branch: when dwim'ing a ref, only allow heads andtags

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Johannes Schindelin wrote:
> -                       grep /"$ref")"
> +                       grep "refs/\(tags\|heads\)/$ref$")"

Thanks, but I don't think that this is a portable grep pattern:

$ echo "abc" | grep '\(a\|x\)'
$ echo "abc" | egrep '(a|x)'
abc

But then, this is on some AIX 4.3. How about:

   fgrep -e "refs/heads/$ref" -e "refs/tags/$ref"
or
   grep -e "^refs/heads/$ref" -e "^refs/tags/$ref"

-- Hannes

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