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authorJunio C Hamano <gitster@pobox.com>2009-12-26 14:03:18 -0800
committerJunio C Hamano <gitster@pobox.com>2009-12-26 14:03:18 -0800
commit648f40701764cc3b47f2d2978518852e2aeb42cf (patch)
tree38111ee58e089e336b4c981cdfba00911c4e5dde /diff.c
parent3cc3fb7df67dc9c83b71fec82e5bfb1df3724089 (diff)
parent3e97c7c6af2901cec63bf35fcd43ae3472e24af8 (diff)
downloadgit-648f40701764cc3b47f2d2978518852e2aeb42cf.tar.gz
git-648f40701764cc3b47f2d2978518852e2aeb42cf.tar.xz
Merge branch 'gb/1.7.0-diff-whitespace-only-output'
* gb/1.7.0-diff-whitespace-only-output: No diff -b/-w output for all-whitespace changes
Diffstat (limited to 'diff.c')
-rw-r--r--diff.c35
1 files changed, 27 insertions, 8 deletions
diff --git a/diff.c b/diff.c
index 57aa72c6c..d14a575e8 100644
--- a/diff.c
+++ b/diff.c
@@ -194,6 +194,7 @@ struct emit_callback {
struct diff_words_data *diff_words;
int *found_changesp;
FILE *file;
+ struct strbuf *header;
};
static int count_lines(const char *data, int size)
@@ -797,6 +798,11 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
const char *plain = diff_get_color(ecbdata->color_diff, DIFF_PLAIN);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
+ if (ecbdata->header) {
+ fprintf(ecbdata->file, "%s", ecbdata->header->buf);
+ strbuf_reset(ecbdata->header);
+ ecbdata->header = NULL;
+ }
*(ecbdata->found_changesp) = 1;
if (ecbdata->label_path[0]) {
@@ -1601,6 +1607,7 @@ static void builtin_diff(const char *name_a,
const char *reset = diff_get_color_opt(o, DIFF_RESET);
const char *a_prefix, *b_prefix;
const char *textconv_one = NULL, *textconv_two = NULL;
+ struct strbuf header = STRBUF_INIT;
if (DIFF_OPT_TST(o, SUBMODULE_LOG) &&
(!one->mode || S_ISGITLINK(one->mode)) &&
@@ -1635,25 +1642,26 @@ static void builtin_diff(const char *name_a,
b_two = quote_two(b_prefix, name_b + (*name_b == '/'));
lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null";
lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null";
- fprintf(o->file, "%sdiff --git %s %s%s\n", set, a_one, b_two, reset);
+ strbuf_addf(&header, "%sdiff --git %s %s%s\n", set, a_one, b_two, reset);
if (lbl[0][0] == '/') {
/* /dev/null */
- fprintf(o->file, "%snew file mode %06o%s\n", set, two->mode, reset);
+ strbuf_addf(&header, "%snew file mode %06o%s\n", set, two->mode, reset);
if (xfrm_msg && xfrm_msg[0])
- fprintf(o->file, "%s%s%s\n", set, xfrm_msg, reset);
+ strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
}
else if (lbl[1][0] == '/') {
- fprintf(o->file, "%sdeleted file mode %06o%s\n", set, one->mode, reset);
+ strbuf_addf(&header, "%sdeleted file mode %06o%s\n", set, one->mode, reset);
if (xfrm_msg && xfrm_msg[0])
- fprintf(o->file, "%s%s%s\n", set, xfrm_msg, reset);
+ strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
}
else {
if (one->mode != two->mode) {
- fprintf(o->file, "%sold mode %06o%s\n", set, one->mode, reset);
- fprintf(o->file, "%snew mode %06o%s\n", set, two->mode, reset);
+ strbuf_addf(&header, "%sold mode %06o%s\n", set, one->mode, reset);
+ strbuf_addf(&header, "%snew mode %06o%s\n", set, two->mode, reset);
}
if (xfrm_msg && xfrm_msg[0])
- fprintf(o->file, "%s%s%s\n", set, xfrm_msg, reset);
+ strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
+
/*
* we do not run diff between different kind
* of objects.
@@ -1663,6 +1671,8 @@ static void builtin_diff(const char *name_a,
if (complete_rewrite &&
(textconv_one || !diff_filespec_is_binary(one)) &&
(textconv_two || !diff_filespec_is_binary(two))) {
+ fprintf(o->file, "%s", header.buf);
+ strbuf_reset(&header);
emit_rewrite_diff(name_a, name_b, one, two,
textconv_one, textconv_two, o);
o->found_changes = 1;
@@ -1680,6 +1690,8 @@ static void builtin_diff(const char *name_a,
if (mf1.size == mf2.size &&
!memcmp(mf1.ptr, mf2.ptr, mf1.size))
goto free_ab_and_return;
+ fprintf(o->file, "%s", header.buf);
+ strbuf_reset(&header);
if (DIFF_OPT_TST(o, BINARY))
emit_binary_diff(o->file, &mf1, &mf2);
else
@@ -1696,6 +1708,11 @@ static void builtin_diff(const char *name_a,
struct emit_callback ecbdata;
const struct userdiff_funcname *pe;
+ if (!DIFF_XDL_TST(o, WHITESPACE_FLAGS)) {
+ fprintf(o->file, "%s", header.buf);
+ strbuf_reset(&header);
+ }
+
if (textconv_one) {
size_t size;
mf1.ptr = run_textconv(textconv_one, one, &size);
@@ -1725,6 +1742,7 @@ static void builtin_diff(const char *name_a,
if (ecbdata.ws_rule & WS_BLANK_AT_EOF)
check_blank_at_eof(&mf1, &mf2, &ecbdata);
ecbdata.file = o->file;
+ ecbdata.header = header.len ? &header : NULL;
xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
@@ -1769,6 +1787,7 @@ static void builtin_diff(const char *name_a,
}
free_ab_and_return:
+ strbuf_release(&header);
diff_free_filespec_data(one);
diff_free_filespec_data(two);
free(a_one);