builtins: print setup info if repo is found

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/cache.h b/cache.h
index 33decd942d4985c8efc1c75fd3fa2f4adf4a56ca..d1bee5d5186c4f1369d66c14a5ad49c5e36f7bf8 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1062,6 +1062,7 @@ __attribute__((format (printf, 1, 2)))
 extern void trace_printf(const char *format, ...);
 __attribute__((format (printf, 2, 3)))
 extern void trace_argv_printf(const char **argv, const char *format, ...);
+extern void trace_repo_setup(const char *prefix);
 
 /* convert.c */
 /* returns 1 if *dst was used */

diff --git a/git.c b/git.c
index 0409ac9fd3f1ea36680189e07116e58b2630ccad..6793178210db64ae59d3a4d401f32d6d3bd5b1a1 100644 (file)
--- a/git.c
+++ b/git.c
@@ -264,6 +264,10 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
                        use_pager = check_pager_config(p->cmd);
                if (use_pager == -1 && p->option & USE_PAGER)
                        use_pager = 1;
+
+               if ((p->option & (RUN_SETUP | RUN_SETUP_GENTLY)) &&
+                   startup_info->have_repository) /* get_git_dir() may set up repo, avoid that */
+                       trace_repo_setup(prefix);
        }
        commit_pager_choice();
 

diff --git a/trace.c b/trace.c
index 1e560cb0b977e19beeb095497c8e4f6280b7f0d6..bdb5d2fa77ed06bd5ea3ef33b827a6bd11618268 100644 (file)
--- a/trace.c
+++ b/trace.c
@@ -131,3 +131,45 @@ 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)
+{
+       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");
+
+       trace_printf("setup: git_dir: %s\n", quote_crnl(get_git_dir()));
+       trace_printf("setup: worktree: %s\n", quote_crnl(get_git_work_tree()));
+       trace_printf("setup: cwd: %s\n", quote_crnl(cwd));
+       trace_printf("setup: prefix: %s\n", quote_crnl(prefix));
+}