9 * We use keyword as config key so it should be a single alphanumeric word.
12 char color[COLOR_MAXLEN];
15 static struct keyword_entry keywords[] = {
16 { "hint", GIT_COLOR_YELLOW },
17 { "warning", GIT_COLOR_BOLD_YELLOW },
18 { "success", GIT_COLOR_BOLD_GREEN },
19 { "error", GIT_COLOR_BOLD_RED },
22 /* Returns a color setting (GIT_COLOR_NEVER, etc). */
23 static int use_sideband_colors(void)
25 static int use_sideband_colors_cached = -1;
27 const char *key = "color.remote";
28 struct strbuf sb = STRBUF_INIT;
32 if (use_sideband_colors_cached >= 0)
33 return use_sideband_colors_cached;
35 if (!git_config_get_string(key, &value)) {
36 use_sideband_colors_cached = git_config_colorbool(key, value);
37 } else if (!git_config_get_string("color.ui", &value)) {
38 use_sideband_colors_cached = git_config_colorbool("color.ui", value);
40 use_sideband_colors_cached = GIT_COLOR_AUTO;
43 for (i = 0; i < ARRAY_SIZE(keywords); i++) {
45 strbuf_addf(&sb, "%s.%s", key, keywords[i].keyword);
46 if (git_config_get_string(sb.buf, &value))
48 if (color_parse(value, keywords[i].color))
52 return use_sideband_colors_cached;
55 void list_config_color_sideband_slots(struct string_list *list, const char *prefix)
59 for (i = 0; i < ARRAY_SIZE(keywords); i++)
60 list_config_item(list, prefix, keywords[i].keyword);
64 * Optionally highlight one keyword in remote output if it appears at the start
65 * of the line. This should be called for a single line only, which is
66 * passed as the first N characters of the SRC array.
68 * NEEDSWORK: use "size_t n" instead for clarity.
70 static void maybe_colorize_sideband(struct strbuf *dest, const char *src, int n)
74 if (!want_color_stderr(use_sideband_colors())) {
75 strbuf_add(dest, src, n);
79 while (0 < n && isspace(*src)) {
80 strbuf_addch(dest, *src);
85 for (i = 0; i < ARRAY_SIZE(keywords); i++) {
86 struct keyword_entry *p = keywords + i;
87 int len = strlen(p->keyword);
92 * Match case insensitively, so we colorize output from existing
93 * servers regardless of the case that they use for their
94 * messages. We only highlight the word precisely, so
95 * "successful" stays uncolored.
97 if (!strncasecmp(p->keyword, src, len) &&
98 (len == n || !isalnum(src[len]))) {
99 strbuf_addstr(dest, p->color);
100 strbuf_add(dest, src, len);
101 strbuf_addstr(dest, GIT_COLOR_RESET);
108 strbuf_add(dest, src, n);
112 #define DISPLAY_PREFIX "remote: "
114 #define ANSI_SUFFIX "\033[K"
115 #define DUMB_SUFFIX " "
117 int demultiplex_sideband(const char *me, char *buf, int len,
119 struct strbuf *scratch,
120 enum sideband_type *sideband_type)
122 static const char *suffix;
127 if (isatty(2) && !is_terminal_dumb())
128 suffix = ANSI_SUFFIX;
130 suffix = DUMB_SUFFIX;
134 *sideband_type = SIDEBAND_FLUSH;
139 "%s%s: protocol error: no band designator",
140 scratch->len ? "\n" : "", me);
141 *sideband_type = SIDEBAND_PROTOCOL_ERROR;
144 band = buf[0] & 0xff;
150 die(_("remote error: %s"), buf + 1);
151 strbuf_addf(scratch, "%s%s", scratch->len ? "\n" : "",
153 maybe_colorize_sideband(scratch, buf + 1, len);
155 *sideband_type = SIDEBAND_REMOTE_ERROR;
161 * Append a suffix to each nonempty line to clear the
162 * end of the screen line.
164 * The output is accumulated in a buffer and
165 * each line is printed to stderr using
166 * write(2) to ensure inter-process atomicity.
168 while ((brk = strpbrk(b, "\n\r"))) {
169 int linelen = brk - b;
172 strbuf_addstr(scratch, DISPLAY_PREFIX);
174 maybe_colorize_sideband(scratch, b, linelen);
175 strbuf_addstr(scratch, suffix);
178 strbuf_addch(scratch, *brk);
179 xwrite(2, scratch->buf, scratch->len);
180 strbuf_reset(scratch);
186 strbuf_addstr(scratch, scratch->len ?
187 "" : DISPLAY_PREFIX);
188 maybe_colorize_sideband(scratch, b, strlen(b));
192 *sideband_type = SIDEBAND_PRIMARY;
195 strbuf_addf(scratch, "%s%s: protocol error: bad band #%d",
196 scratch->len ? "\n" : "", me, band);
197 *sideband_type = SIDEBAND_PROTOCOL_ERROR;
202 if (die_on_error && *sideband_type == SIDEBAND_PROTOCOL_ERROR)
203 die("%s", scratch->buf);
205 strbuf_addch(scratch, '\n');
206 xwrite(2, scratch->buf, scratch->len);
208 strbuf_release(scratch);
213 * fd is connected to the remote side; send the sideband data
214 * over multiplexed packet stream.
216 void send_sideband(int fd, int band, const char *data, ssize_t sz, int packet_max)
218 const char *p = data;
225 if (packet_max - 5 < n)
228 xsnprintf(hdr, sizeof(hdr), "%04x", n + 5);
230 write_or_die(fd, hdr, 5);
232 xsnprintf(hdr, sizeof(hdr), "%04x", n + 4);
233 write_or_die(fd, hdr, 4);
235 write_or_die(fd, p, n);