grep & rev-list doc: stop promising libpcre for --perl-regexp
Stop promising in our grep & rev-list options documentation that we're always going to be using libpcre when given the --perl-regexp option. Instead talk about using "Perl-compatible regular expressions" and using these types of patterns using "a compile-time dependency". Saying "libpcre" means that we're talking about libpcre.so, which is always going to be v1. This change is part of an ongoing saga to add support for libpcre2, which comes with PCRE v2. In the future we might use some completely unrelated library to provide perl-compatible regular expression support. By wording the documentation differently and not promising any specific version of PCRE or even PCRE at all we have more wiggle room to change the implementation. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -161,8 +161,11 @@ OPTIONS
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-P::
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--perl-regexp::
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Use Perl-compatible regexp for patterns. Requires libpcre to be
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compiled in.
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Use Perl-compatible regular expressions for patterns.
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+
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Support for these types of regular expressions is an optional
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compile-time dependency. If Git wasn't compiled with support for them
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providing this option will cause it to die.
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-F::
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--fixed-strings::
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@ -92,8 +92,12 @@ endif::git-rev-list[]
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pattern as a regular expression).
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--perl-regexp::
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Consider the limiting patterns to be Perl-compatible regular expressions.
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Requires libpcre to be compiled in.
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Consider the limiting patterns to be Perl-compatible regular
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expressions.
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+
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Support for these types of regular expressions is an optional
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compile-time dependency. If Git wasn't compiled with support for them
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providing this option will cause it to die.
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--remove-empty::
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Stop when a given path disappears from the tree.
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