Make the default abbrev length configurable

diff --git a/trace.c b/trace.c
index 0d89dbe7794dcdfb8519e6d083f74bf792976c6a..35d388dce44a4a8e3d6053dfd6abcb652771818a 100644 (file)
--- a/trace.c
+++ b/trace.c
@@ -37,7 +37,7 @@ static int get_trace_fd(int *need_close)
                return STDERR_FILENO;
        if (strlen(trace) == 1 && isdigit(*trace))
                return atoi(trace);
-       if (*trace == '/') {
+       if (is_absolute_path(trace)) {
                int fd = open(trace, O_WRONLY | O_APPEND | O_CREAT, 0666);
                if (fd == -1) {
                        fprintf(stderr,
@@ -50,7 +50,7 @@ static int get_trace_fd(int *need_close)
                return fd;
        }
 
-       fprintf(stderr, "What does '%s' for GIT_TRACE means ?\n", trace);
+       fprintf(stderr, "What does '%s' for GIT_TRACE mean?\n", trace);
        fprintf(stderr, "If you want to trace into a file, "
                "then please set GIT_TRACE to an absolute pathname "
                "(starting with /).\n");
@@ -72,6 +72,7 @@ void trace_printf(const char *fmt, ...)
        if (!fd)
                return;
 
+       set_try_to_free_routine(NULL);  /* is never reset */
        strbuf_init(&buf, 64);
        va_start(ap, fmt);
        len = vsnprintf(buf.buf, strbuf_avail(&buf), fmt, ap);
@@ -93,7 +94,7 @@ void trace_printf(const char *fmt, ...)
                close(fd);
 }
 
-void trace_argv_printf(const char **argv, int count, const char *fmt, ...)
+void trace_argv_printf(const char **argv, const char *fmt, ...)
 {
        struct strbuf buf;
        va_list ap;
@@ -103,6 +104,7 @@ void trace_argv_printf(const char **argv, int count, const char *fmt, ...)
        if (!fd)
                return;
 
+       set_try_to_free_routine(NULL);  /* is never reset */
        strbuf_init(&buf, 64);
        va_start(ap, fmt);
        len = vsnprintf(buf.buf, strbuf_avail(&buf), fmt, ap);
@@ -117,7 +119,7 @@ void trace_argv_printf(const char **argv, int count, const char *fmt, ...)
        }
        strbuf_setlen(&buf, len);
 
-       sq_quote_argv(&buf, argv, count, 0);
+       sq_quote_argv(&buf, argv, 0);
        strbuf_addch(&buf, '\n');
        write_or_whine_pipe(fd, buf.buf, buf.len, err_msg);
        strbuf_release(&buf);
@@ -125,3 +127,52 @@ void trace_argv_printf(const char **argv, int count, const char *fmt, ...)
        if (need_close)
                close(fd);
 }
+
+static const char *quote_crnl(const char *path)
+{
+       static char new_path[PATH_MAX];
+       const char *p2 = path;
+       char *p1 = new_path;
+
+       if (!path)
+               return NULL;
+
+       while (*p2) {
+               switch (*p2) {
+               case '\\': *p1++ = '\\'; *p1++ = '\\'; break;
+               case '\n': *p1++ = '\\'; *p1++ = 'n'; break;
+               case '\r': *p1++ = '\\'; *p1++ = 'r'; break;
+               default:
+                       *p1++ = *p2;
+               }
+               p2++;
+       }
+       *p1 = '\0';
+       return new_path;
+}
+
+/* FIXME: move prefix to startup_info struct and get rid of this arg */
+void trace_repo_setup(const char *prefix)
+{
+       const char *git_work_tree;
+       char cwd[PATH_MAX];
+       char *trace = getenv("GIT_TRACE");
+
+       if (!trace || !strcmp(trace, "") ||
+           !strcmp(trace, "0") || !strcasecmp(trace, "false"))
+               return;
+
+       if (!getcwd(cwd, PATH_MAX))
+               die("Unable to get current working directory");
+
+       if (!(git_work_tree = get_git_work_tree()))
+               git_work_tree = "(null)";
+
+       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));
+}