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authorJeff King <peff@peff.net>2018-11-02 02:36:06 -0400
committerJunio C Hamano <gitster@pobox.com>2018-11-05 13:14:35 +0900
commit3b40a090fd4e441e88897dfa96f50039952ed45b (patch)
tree41935127edd97b3508504b0ca8533ef8226c43ed /diffcore-pickaxe.c
parent9346d6d14dddc7989ba879839d58f6c2426cffbb (diff)
downloadgit-3b40a090fd4e441e88897dfa96f50039952ed45b.tar.gz
git-3b40a090fd4e441e88897dfa96f50039952ed45b.tar.xz
diff: avoid generating unused hunk header lines
Some callers of xdi_diff_outf() do not look at the generated hunk header lines at all. By plugging in a no-op hunk callback, this tells xdiff not to even bother formatting them. This patch introduces a stock no-op callback and uses it with a few callers whose line callbacks explicitly ignore hunk headers (because they look only for +/- lines). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'diffcore-pickaxe.c')
-rw-r--r--diffcore-pickaxe.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index 7609bb4fe..25e12148e 100644
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -62,7 +62,8 @@ static int diff_grep(mmfile_t *one, mmfile_t *two,
ecbdata.hit = 0;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
- if (xdi_diff_outf(one, two, NULL, diffgrep_consume, &ecbdata, &xpp, &xecfg))
+ if (xdi_diff_outf(one, two, discard_hunk_line, diffgrep_consume,
+ &ecbdata, &xpp, &xecfg))
return 0;
return ecbdata.hit;
}