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pretty: recalculate duplicate short hashes

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b9c6232138 (--format=pretty: avoid calculating expensive expansions
twice) optimized adding short hashes multiple times by using the
fact that the output strbuf was only ever simply appended to and
copying the added string from the previous run.  That prerequisite
is no longer given; we now have modfiers like %< and %+ that can
cause the cache to lose track of the correct offsets.  Remove it.

Reported-by: Michael Giuffrida <michaelpg@chromium.org>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2017-06-14 20:24:25 +02:00
committed by Junio C Hamano
parent 840ed14198
commit fe9e2aefd4
3 changed files with 0 additions and 45 deletions
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7
strbuf.c
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@ -204,13 +204,6 @@ void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2)
strbuf_setlen(sb, sb->len + sb2->len);
}
void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len)
{
strbuf_grow(sb, len);
memcpy(sb->buf + sb->len, sb->buf + pos, len);
strbuf_setlen(sb, sb->len + len);
}
void strbuf_addchars(struct strbuf *sb, int c, size_t n)
{
strbuf_grow(sb, n);