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range-diff: suppress the diff headers

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When showing the diff between corresponding patches of the two branch
versions, we have to make up a fake filename to run the diff machinery.

That filename does not carry any meaningful information, hence tbdiff
suppresses it. So we should, too.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2018-08-13 04:33:11 -07:00 committed by Junio C Hamano
parent 5e242e63d0
commit 1cdde296a5
3 changed files with 6 additions and 1 deletions
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1
builtin/range-diff.c
View file

@ -33,6 +33,7 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
diff_setup(&diffopt);
diffopt.output_format = DIFF_FORMAT_PATCH;
diffopt.flags.suppress_diff_headers = 1;
diffopt.output_prefix = output_prefix_cb;
strbuf_addstr(&four_spaces, " ");
diffopt.output_prefix_data = &four_spaces;

5
diff.c
View file

@ -3395,13 +3395,16 @@ static void builtin_diff(const char *name_a,
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
memset(&ecbdata, 0, sizeof(ecbdata));
if (o->flags.suppress_diff_headers)
lbl[0] = NULL;
ecbdata.label_path = lbl;
ecbdata.color_diff = want_color(o->use_color);
ecbdata.ws_rule = whitespace_rule(name_b);
if (ecbdata.ws_rule & WS_BLANK_AT_EOF)
check_blank_at_eof(&mf1, &mf2, &ecbdata);
ecbdata.opt = o;
ecbdata.header = header.len ? &header : NULL;
if (header.len && !o->flags.suppress_diff_headers)
ecbdata.header = &header;
xpp.flags = o->xdl_opts;
xpp.anchors = o->anchors;
xpp.anchors_nr = o->anchors_nr;

1
diff.h
View file

@ -94,6 +94,7 @@ struct diff_flags {
unsigned funccontext:1;
unsigned default_follow_renames:1;
unsigned stat_with_summary:1;
unsigned suppress_diff_headers:1;
};
static inline void diff_flags_or(struct diff_flags *a,