summaryrefslogtreecommitdiff
path: root/diff.c
diff options
context:
space:
mode:
Diffstat (limited to 'diff.c')
-rw-r--r--diff.c71
1 files changed, 40 insertions, 31 deletions
diff --git a/diff.c b/diff.c
index e40c1271da..230c310952 100644
--- a/diff.c
+++ b/diff.c
@@ -717,7 +717,7 @@ static void diff_words_show(struct diff_words_data *diff_words)
memset(&xecfg, 0, sizeof(xecfg));
diff_words_fill(&diff_words->minus, &minus, diff_words->word_regex);
diff_words_fill(&diff_words->plus, &plus, diff_words->word_regex);
- xpp.flags = XDF_NEED_MINIMAL;
+ xpp.flags = 0;
/* as only the hunk header will be parsed, we need a 0-context */
xecfg.ctxlen = 0;
xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, diff_words,
@@ -1649,21 +1649,21 @@ static void builtin_diff(const char *name_a,
if (lbl[0][0] == '/') {
/* /dev/null */
strbuf_addf(&header, "%snew file mode %06o%s\n", set, two->mode, reset);
- if (xfrm_msg && xfrm_msg[0])
- strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
+ if (xfrm_msg)
+ strbuf_addstr(&header, xfrm_msg);
}
else if (lbl[1][0] == '/') {
strbuf_addf(&header, "%sdeleted file mode %06o%s\n", set, one->mode, reset);
- if (xfrm_msg && xfrm_msg[0])
- strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
+ if (xfrm_msg)
+ strbuf_addstr(&header, xfrm_msg);
}
else {
if (one->mode != two->mode) {
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])
- strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
+ if (xfrm_msg)
+ strbuf_addstr(&header, xfrm_msg);
/*
* we do not run diff between different kind
@@ -1745,7 +1745,7 @@ static void builtin_diff(const char *name_a,
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;
+ xpp.flags = o->xdl_opts;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
xecfg.flags = XDL_EMIT_FUNCNAMES;
@@ -1834,7 +1834,7 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
- xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts;
+ xpp.flags = o->xdl_opts;
xdi_diff_outf(&mf1, &mf2, diffstat_consume, diffstat,
&xpp, &xecfg);
}
@@ -1882,7 +1882,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
xecfg.ctxlen = 1; /* at least one context line */
- xpp.flags = XDF_NEED_MINIMAL;
+ xpp.flags = 0;
xdi_diff_outf(&mf1, &mf2, checkdiff_consume, &data,
&xpp, &xecfg);
@@ -2319,30 +2319,36 @@ static void fill_metainfo(struct strbuf *msg,
struct diff_filespec *one,
struct diff_filespec *two,
struct diff_options *o,
- struct diff_filepair *p)
+ struct diff_filepair *p,
+ int use_color)
{
+ const char *set = diff_get_color(use_color, DIFF_METAINFO);
+ const char *reset = diff_get_color(use_color, DIFF_RESET);
+
strbuf_init(msg, PATH_MAX * 2 + 300);
switch (p->status) {
case DIFF_STATUS_COPIED:
- strbuf_addf(msg, "similarity index %d%%", similarity_index(p));
- strbuf_addstr(msg, "\ncopy from ");
+ strbuf_addf(msg, "%ssimilarity index %d%%",
+ set, similarity_index(p));
+ strbuf_addf(msg, "%s\n%scopy from ", reset, set);
quote_c_style(name, msg, NULL, 0);
- strbuf_addstr(msg, "\ncopy to ");
+ strbuf_addf(msg, "%s\n%scopy to ", reset, set);
quote_c_style(other, msg, NULL, 0);
- strbuf_addch(msg, '\n');
+ strbuf_addf(msg, "%s\n", reset);
break;
case DIFF_STATUS_RENAMED:
- strbuf_addf(msg, "similarity index %d%%", similarity_index(p));
- strbuf_addstr(msg, "\nrename from ");
+ strbuf_addf(msg, "%ssimilarity index %d%%",
+ set, similarity_index(p));
+ strbuf_addf(msg, "%s\n%srename from ", reset, set);
quote_c_style(name, msg, NULL, 0);
- strbuf_addstr(msg, "\nrename to ");
+ strbuf_addf(msg, "%s\n%srename to ", reset, set);
quote_c_style(other, msg, NULL, 0);
- strbuf_addch(msg, '\n');
+ strbuf_addf(msg, "%s\n", reset);
break;
case DIFF_STATUS_MODIFIED:
if (p->score) {
- strbuf_addf(msg, "dissimilarity index %d%%\n",
- similarity_index(p));
+ strbuf_addf(msg, "%sdissimilarity index %d%%%s\n",
+ set, similarity_index(p), reset);
break;
}
/* fallthru */
@@ -2359,15 +2365,13 @@ static void fill_metainfo(struct strbuf *msg,
(!fill_mmfile(&mf, two) && diff_filespec_is_binary(two)))
abbrev = 40;
}
- strbuf_addf(msg, "index %.*s..%.*s",
+ strbuf_addf(msg, "%sindex %.*s..%.*s", set,
abbrev, sha1_to_hex(one->sha1),
abbrev, sha1_to_hex(two->sha1));
if (one->mode == two->mode)
strbuf_addf(msg, " %06o", one->mode);
- strbuf_addch(msg, '\n');
+ strbuf_addf(msg, "%s\n", reset);
}
- if (msg->len)
- strbuf_setlen(msg, msg->len - 1);
}
static void run_diff_cmd(const char *pgm,
@@ -2383,11 +2387,6 @@ static void run_diff_cmd(const char *pgm,
const char *xfrm_msg = NULL;
int complete_rewrite = (p->status == DIFF_STATUS_MODIFIED) && p->score;
- if (msg) {
- fill_metainfo(msg, name, other, one, two, o, p);
- xfrm_msg = msg->len ? msg->buf : NULL;
- }
-
if (!DIFF_OPT_TST(o, ALLOW_EXTERNAL))
pgm = NULL;
else {
@@ -2396,6 +2395,16 @@ static void run_diff_cmd(const char *pgm,
pgm = drv->external;
}
+ if (msg) {
+ /*
+ * don't use colors when the header is intended for an
+ * external diff driver
+ */
+ fill_metainfo(msg, name, other, one, two, o, p,
+ DIFF_OPT_TST(o, COLOR_DIFF) && !pgm);
+ xfrm_msg = msg->len ? msg->buf : NULL;
+ }
+
if (pgm) {
run_external_diff(pgm, name, other, one, two, xfrm_msg,
complete_rewrite);
@@ -3436,7 +3445,7 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1)
len2, p->two->path);
git_SHA1_Update(&ctx, buffer, len1);
- xpp.flags = XDF_NEED_MINIMAL;
+ xpp.flags = 0;
xecfg.ctxlen = 3;
xecfg.flags = XDL_EMIT_FUNCNAMES;
xdi_diff_outf(&mf1, &mf2, patch_id_consume, &data,