diff options
Diffstat (limited to 'sideband.c')
-rw-r--r-- | sideband.c | 183 |
1 files changed, 89 insertions, 94 deletions
diff --git a/sideband.c b/sideband.c index 368647acf8..ef851113c4 100644 --- a/sideband.c +++ b/sideband.c @@ -1,7 +1,6 @@ #include "cache.h" #include "color.h" #include "config.h" -#include "pkt-line.h" #include "sideband.h" #include "help.h" @@ -87,7 +86,7 @@ static void maybe_colorize_sideband(struct strbuf *dest, const char *src, int n) struct keyword_entry *p = keywords + i; int len = strlen(p->keyword); - if (n <= len) + if (n < len) continue; /* * Match case insensitively, so we colorize output from existing @@ -95,7 +94,8 @@ static void maybe_colorize_sideband(struct strbuf *dest, const char *src, int n) * messages. We only highlight the word precisely, so * "successful" stays uncolored. */ - if (!strncasecmp(p->keyword, src, len) && !isalnum(src[len])) { + if (!strncasecmp(p->keyword, src, len) && + (len == n || !isalnum(src[len]))) { strbuf_addstr(dest, p->color); strbuf_add(dest, src, len); strbuf_addstr(dest, GIT_COLOR_RESET); @@ -109,109 +109,104 @@ static void maybe_colorize_sideband(struct strbuf *dest, const char *src, int n) } -/* - * Receive multiplexed output stream over git native protocol. - * in_stream is the input stream from the remote, which carries data - * in pkt_line format with band designator. Demultiplex it into out - * and err and return error appropriately. Band #1 carries the - * primary payload. Things coming over band #2 is not necessarily - * error; they are usually informative message on the standard error - * stream, aka "verbose"). A message over band #3 is a signal that - * the remote died unexpectedly. A flush() concludes the stream. - */ - #define DISPLAY_PREFIX "remote: " #define ANSI_SUFFIX "\033[K" #define DUMB_SUFFIX " " -int recv_sideband(const char *me, int in_stream, int out) +int demultiplex_sideband(const char *me, char *buf, int len, + int die_on_error, + struct strbuf *scratch, + enum sideband_type *sideband_type) { - const char *suffix; - char buf[LARGE_PACKET_MAX + 1]; - struct strbuf outbuf = STRBUF_INIT; - int retval = 0; - - if (isatty(2) && !is_terminal_dumb()) - suffix = ANSI_SUFFIX; - else - suffix = DUMB_SUFFIX; - - while (!retval) { - const char *b, *brk; - int band, len; - len = packet_read(in_stream, NULL, NULL, buf, LARGE_PACKET_MAX, 0); - if (len == 0) - break; - if (len < 1) { - strbuf_addf(&outbuf, - "%s%s: protocol error: no band designator", - outbuf.len ? "\n" : "", me); - retval = SIDEBAND_PROTOCOL_ERROR; - break; - } - band = buf[0] & 0xff; - buf[len] = '\0'; - len--; - switch (band) { - case 3: - strbuf_addf(&outbuf, "%s%s", outbuf.len ? "\n" : "", - DISPLAY_PREFIX); - maybe_colorize_sideband(&outbuf, buf + 1, len); - - retval = SIDEBAND_REMOTE_ERROR; - break; - case 2: - b = buf + 1; - - /* - * Append a suffix to each nonempty line to clear the - * end of the screen line. - * - * The output is accumulated in a buffer and - * each line is printed to stderr using - * write(2) to ensure inter-process atomicity. - */ - while ((brk = strpbrk(b, "\n\r"))) { - int linelen = brk - b; - - if (!outbuf.len) - strbuf_addstr(&outbuf, DISPLAY_PREFIX); - if (linelen > 0) { - maybe_colorize_sideband(&outbuf, b, linelen); - strbuf_addstr(&outbuf, suffix); - } - - strbuf_addch(&outbuf, *brk); - xwrite(2, outbuf.buf, outbuf.len); - strbuf_reset(&outbuf); - - b = brk + 1; - } + static const char *suffix; + const char *b, *brk; + int band; + + if (!suffix) { + if (isatty(2) && !is_terminal_dumb()) + suffix = ANSI_SUFFIX; + else + suffix = DUMB_SUFFIX; + } - if (*b) { - strbuf_addstr(&outbuf, outbuf.len ? - "" : DISPLAY_PREFIX); - maybe_colorize_sideband(&outbuf, b, strlen(b)); + if (len == 0) { + *sideband_type = SIDEBAND_FLUSH; + goto cleanup; + } + if (len < 1) { + strbuf_addf(scratch, + "%s%s: protocol error: no band designator", + scratch->len ? "\n" : "", me); + *sideband_type = SIDEBAND_PROTOCOL_ERROR; + goto cleanup; + } + band = buf[0] & 0xff; + buf[len] = '\0'; + len--; + switch (band) { + case 3: + if (die_on_error) + die("remote error: %s", buf + 1); + strbuf_addf(scratch, "%s%s", scratch->len ? "\n" : "", + DISPLAY_PREFIX); + maybe_colorize_sideband(scratch, buf + 1, len); + + *sideband_type = SIDEBAND_REMOTE_ERROR; + break; + case 2: + b = buf + 1; + + /* + * Append a suffix to each nonempty line to clear the + * end of the screen line. + * + * The output is accumulated in a buffer and + * each line is printed to stderr using + * write(2) to ensure inter-process atomicity. + */ + while ((brk = strpbrk(b, "\n\r"))) { + int linelen = brk - b; + + if (!scratch->len) + strbuf_addstr(scratch, DISPLAY_PREFIX); + if (linelen > 0) { + maybe_colorize_sideband(scratch, b, linelen); + strbuf_addstr(scratch, suffix); } - break; - case 1: - write_or_die(out, buf + 1, len); - break; - default: - strbuf_addf(&outbuf, "%s%s: protocol error: bad band #%d", - outbuf.len ? "\n" : "", me, band); - retval = SIDEBAND_PROTOCOL_ERROR; - break; + + strbuf_addch(scratch, *brk); + xwrite(2, scratch->buf, scratch->len); + strbuf_reset(scratch); + + b = brk + 1; + } + + if (*b) { + strbuf_addstr(scratch, scratch->len ? + "" : DISPLAY_PREFIX); + maybe_colorize_sideband(scratch, b, strlen(b)); } + return 0; + case 1: + *sideband_type = SIDEBAND_PRIMARY; + break; + default: + strbuf_addf(scratch, "%s%s: protocol error: bad band #%d", + scratch->len ? "\n" : "", me, band); + *sideband_type = SIDEBAND_PROTOCOL_ERROR; + break; } - if (outbuf.len) { - strbuf_addch(&outbuf, '\n'); - xwrite(2, outbuf.buf, outbuf.len); +cleanup: + if (die_on_error && *sideband_type == SIDEBAND_PROTOCOL_ERROR) + die("%s", scratch->buf); + if (scratch->len) { + strbuf_addch(scratch, '\n'); + xwrite(2, scratch->buf, scratch->len); } - strbuf_release(&outbuf); - return retval; + strbuf_release(scratch); + return 1; } /* |