vcs-svn: teach line_buffer to handle multiple input files

diff --git a/trace.c b/trace.c
index 0fb2a2c64b63ab0067edff124b8f3d2c7175c70e..35d388dce44a4a8e3d6053dfd6abcb652771818a 100644 (file)
--- a/trace.c
+++ b/trace.c
@@ -127,3 +127,52 @@ void trace_argv_printf(const char **argv, 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));
+}