diff options
| -rw-r--r-- | builtin/clone.c | 1 | ||||
| -rw-r--r-- | builtin/fetch-pack.c | 2 | ||||
| -rw-r--r-- | builtin/fetch.c | 2 | ||||
| -rw-r--r-- | builtin/push.c | 1 | ||||
| -rw-r--r-- | builtin/receive-pack.c | 2 | ||||
| -rw-r--r-- | cache.h | 5 | ||||
| -rw-r--r-- | pkt-line.c | 55 | ||||
| -rwxr-xr-x | t/t1510-repo-setup.sh | 2 | ||||
| -rw-r--r-- | trace.c | 74 | ||||
| -rw-r--r-- | upload-pack.c | 1 |
10 files changed, 121 insertions, 24 deletions
diff --git a/builtin/clone.c b/builtin/clone.c index 404f589680..02547adba5 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -383,6 +383,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) junk_pid = getpid(); + packet_trace_identity("clone"); argc = parse_options(argc, argv, prefix, builtin_clone_options, builtin_clone_usage, 0); diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index b999413934..272bc383d6 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -804,6 +804,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) char **pack_lockfile_ptr = NULL; struct child_process *conn; + packet_trace_identity("fetch-pack"); + nr_heads = 0; heads = NULL; for (i = 1; i < argc; i++) { diff --git a/builtin/fetch.c b/builtin/fetch.c index 7efecfe1cf..1b6d4be002 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -906,6 +906,8 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) struct remote *remote; int result = 0; + packet_trace_identity("fetch"); + /* Record the command line for the reflog */ strbuf_addstr(&default_rla, "fetch"); for (i = 1; i < argc; i++) diff --git a/builtin/push.c b/builtin/push.c index c3c2feb944..6f6a66f986 100644 --- a/builtin/push.c +++ b/builtin/push.c @@ -245,6 +245,7 @@ int cmd_push(int argc, const char **argv, const char *prefix) OPT_END() }; + packet_trace_identity("push"); git_config(git_default_config, NULL); argc = parse_options(argc, argv, prefix, options, push_usage, 0); diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index d883585804..d8e2c5fca7 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -778,6 +778,8 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) char *dir = NULL; struct command *commands; + packet_trace_identity("receive-pack"); + argv++; for (i = 1; i < argc; i++) { const char *arg = *argv++; @@ -1083,9 +1083,14 @@ extern void alloc_report(void); /* trace.c */ __attribute__((format (printf, 1, 2))) extern void trace_printf(const char *format, ...); +extern void trace_vprintf(const char *key, const char *format, va_list ap); __attribute__((format (printf, 2, 3))) extern void trace_argv_printf(const char **argv, const char *format, ...); extern void trace_repo_setup(const char *prefix); +extern int trace_want(const char *key); +extern void trace_strbuf(const char *key, const struct strbuf *buf); + +void packet_trace_identity(const char *prog); /* convert.c */ /* returns 1 if *dst was used */ diff --git a/pkt-line.c b/pkt-line.c index 295ba2b16c..cd1bd26413 100644 --- a/pkt-line.c +++ b/pkt-line.c @@ -1,6 +1,51 @@ #include "cache.h" #include "pkt-line.h" +const char *packet_trace_prefix = "git"; +static const char trace_key[] = "GIT_TRACE_PACKET"; + +void packet_trace_identity(const char *prog) +{ + packet_trace_prefix = xstrdup(prog); +} + +static void packet_trace(const char *buf, unsigned int len, int write) +{ + int i; + struct strbuf out; + + if (!trace_want(trace_key)) + return; + + /* +32 is just a guess for header + quoting */ + strbuf_init(&out, len+32); + + strbuf_addf(&out, "packet: %12s%c ", + packet_trace_prefix, write ? '>' : '<'); + + if ((len >= 4 && !prefixcmp(buf, "PACK")) || + (len >= 5 && !prefixcmp(buf+1, "PACK"))) { + strbuf_addstr(&out, "PACK ..."); + unsetenv(trace_key); + } + else { + /* XXX we should really handle printable utf8 */ + for (i = 0; i < len; i++) { + /* suppress newlines */ + if (buf[i] == '\n') + continue; + if (buf[i] >= 0x20 && buf[i] <= 0x7e) + strbuf_addch(&out, buf[i]); + else + strbuf_addf(&out, "\\%o", buf[i]); + } + } + + strbuf_addch(&out, '\n'); + trace_strbuf(trace_key, &out); + strbuf_release(&out); +} + /* * Write a packetized stream, where each line is preceded by * its length (including the header) as a 4-byte hex number. @@ -39,11 +84,13 @@ ssize_t safe_write(int fd, const void *buf, ssize_t n) */ void packet_flush(int fd) { + packet_trace("0000", 4, 1); safe_write(fd, "0000", 4); } void packet_buf_flush(struct strbuf *buf) { + packet_trace("0000", 4, 1); strbuf_add(buf, "0000", 4); } @@ -62,6 +109,7 @@ static unsigned format_packet(const char *fmt, va_list args) buffer[1] = hex(n >> 8); buffer[2] = hex(n >> 4); buffer[3] = hex(n); + packet_trace(buffer+4, n-4, 1); return n; } @@ -130,13 +178,16 @@ int packet_read_line(int fd, char *buffer, unsigned size) len = packet_length(linelen); if (len < 0) die("protocol error: bad line length character: %.4s", linelen); - if (!len) + if (!len) { + packet_trace("0000", 4, 0); return 0; + } len -= 4; if (len >= size) die("protocol error: bad line length %d", len); safe_read(fd, buffer, len); buffer[len] = 0; + packet_trace(buffer, len, 0); return len; } @@ -153,6 +204,7 @@ int packet_get_line(struct strbuf *out, if (!len) { *src_buf += 4; *src_len -= 4; + packet_trace("0000", 4, 0); return 0; } if (*src_len < len) @@ -165,5 +217,6 @@ int packet_get_line(struct strbuf *out, strbuf_add(out, *src_buf, len); *src_buf += len; *src_len -= len; + packet_trace(out->buf, out->len, 0); return len; } diff --git a/t/t1510-repo-setup.sh b/t/t1510-repo-setup.sh index 15101d5e03..ec50a9ad70 100755 --- a/t/t1510-repo-setup.sh +++ b/t/t1510-repo-setup.sh @@ -57,7 +57,7 @@ test_repo () { export GIT_WORK_TREE fi && rm -f trace && - GIT_TRACE="$(pwd)/trace" git symbolic-ref HEAD >/dev/null && + GIT_TRACE_SETUP="$(pwd)/trace" git symbolic-ref HEAD >/dev/null && grep '^setup: ' trace >result && test_cmp expected result ) @@ -25,10 +25,10 @@ #include "cache.h" #include "quote.h" -/* Get a trace file descriptor from GIT_TRACE env variable. */ -static int get_trace_fd(int *need_close) +/* Get a trace file descriptor from "key" env variable. */ +static int get_trace_fd(const char *key, int *need_close) { - char *trace = getenv("GIT_TRACE"); + char *trace = getenv(key); if (!trace || !strcmp(trace, "") || !strcmp(trace, "0") || !strcasecmp(trace, "false")) @@ -50,10 +50,10 @@ static int get_trace_fd(int *need_close) return fd; } - fprintf(stderr, "What does '%s' for GIT_TRACE mean?\n", trace); + fprintf(stderr, "What does '%s' for %s mean?\n", trace, key); fprintf(stderr, "If you want to trace into a file, " - "then please set GIT_TRACE to an absolute pathname " - "(starting with /).\n"); + "then please set %s to an absolute pathname " + "(starting with /).\n", key); fprintf(stderr, "Defaulting to tracing on stderr...\n"); return STDERR_FILENO; @@ -62,23 +62,44 @@ static int get_trace_fd(int *need_close) static const char err_msg[] = "Could not trace into fd given by " "GIT_TRACE environment variable"; -void trace_printf(const char *fmt, ...) +void trace_vprintf(const char *key, const char *fmt, va_list ap) { struct strbuf buf = STRBUF_INIT; - va_list ap; - int fd, need_close = 0; - fd = get_trace_fd(&need_close); - if (!fd) + if (!trace_want(key)) return; set_try_to_free_routine(NULL); /* is never reset */ - va_start(ap, fmt); strbuf_vaddf(&buf, fmt, ap); + trace_strbuf(key, &buf); + strbuf_release(&buf); +} + +void trace_printf_key(const char *key, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + trace_vprintf(key, fmt, ap); va_end(ap); +} - write_or_whine_pipe(fd, buf.buf, buf.len, err_msg); - strbuf_release(&buf); +void trace_printf(const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + trace_vprintf("GIT_TRACE", fmt, ap); + va_end(ap); +} + +void trace_strbuf(const char *key, const struct strbuf *buf) +{ + int fd, need_close = 0; + + fd = get_trace_fd(key, &need_close); + if (!fd) + return; + + write_or_whine_pipe(fd, buf->buf, buf->len, err_msg); if (need_close) close(fd); @@ -90,7 +111,7 @@ void trace_argv_printf(const char **argv, const char *fmt, ...) va_list ap; int fd, need_close = 0; - fd = get_trace_fd(&need_close); + fd = get_trace_fd("GIT_TRACE", &need_close); if (!fd) return; @@ -134,12 +155,11 @@ static const char *quote_crnl(const char *path) /* FIXME: move prefix to startup_info struct and get rid of this arg */ void trace_repo_setup(const char *prefix) { + static const char *key = "GIT_TRACE_SETUP"; const char *git_work_tree; char cwd[PATH_MAX]; - char *trace = getenv("GIT_TRACE"); - if (!trace || !strcmp(trace, "") || - !strcmp(trace, "0") || !strcasecmp(trace, "false")) + if (!trace_want(key)) return; if (!getcwd(cwd, PATH_MAX)) @@ -151,8 +171,18 @@ void trace_repo_setup(const char *prefix) if (!prefix) prefix = "(null)"; - trace_printf("setup: git_dir: %s\n", quote_crnl(get_git_dir())); - trace_printf("setup: worktree: %s\n", quote_crnl(git_work_tree)); - trace_printf("setup: cwd: %s\n", quote_crnl(cwd)); - trace_printf("setup: prefix: %s\n", quote_crnl(prefix)); + trace_printf_key(key, "setup: git_dir: %s\n", quote_crnl(get_git_dir())); + trace_printf_key(key, "setup: worktree: %s\n", quote_crnl(git_work_tree)); + trace_printf_key(key, "setup: cwd: %s\n", quote_crnl(cwd)); + trace_printf_key(key, "setup: prefix: %s\n", quote_crnl(prefix)); +} + +int trace_want(const char *key) +{ + const char *trace = getenv(key); + + if (!trace || !strcmp(trace, "") || + !strcmp(trace, "0") || !strcasecmp(trace, "false")) + return 0; + return 1; } diff --git a/upload-pack.c b/upload-pack.c index b40a43f27d..0c87bc00f0 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -682,6 +682,7 @@ int main(int argc, char **argv) int i; int strict = 0; + packet_trace_identity("upload-pack"); git_extract_argv0_path(argv[0]); read_replace_refs = 0; |