Junio C Hamano wrote (2008-09-04 01:31 -0700):
> To handle --author=<match> request, the code created a grep
> instruction that tried to match a line that begins with 'author ' and
> <match> somewhere on the same line. "begins with 'author '" obviously
> needs to be expressed with an regexp '^author '.
>
> When the user specifies --fixed-string, this does not work at all.
> This extends the grep machinery so that a match insn can ignore user
> specified --fixed-string request, and uses the '( -e A --and -e B )'
> construct from the grep machinery in order to express "has to begin
> with '^author ', and also the same line must match the given pattern".
I want to add a side note here because this _may_ be related to what
I found almost two months ago:
"Patterns work unexpectedly with 'git log' commit limiting"
http://thread.gmane.org/gmane.comp.version-control.git/88813
One of the problems was that with
git log -E --author=pattern
the pattern is interpreted as basic regexp but with
git log --author=pattern -E
as extended rexexp.
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