[PATCH 14/20] untracked cache: print untracked statistics with $GIT_TRACE_UNTRACKED

[Nguyễn Thái Ngọc Duy]

This could be used to verify correct behavior in tests
---
 dir.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/dir.c b/dir.c
index 18fe44c..58303ca 100644
--- a/dir.c
+++ b/dir.c
@@ -14,6 +14,8 @@
 #include "pathspec.h"
 #include "varint.h"
 
+#define TRACE_KEY "GIT_TRACE_UNTRACKED"
+
 struct path_simplify {
        int len;
        const char *path;
@@ -1929,6 +1931,16 @@ int read_directory(struct dir_struct *dir, const char 
*path, int len, const stru
        free_simplify(simplify);
        qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
        qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), 
cmp_name);
+       if (dir->untracked) {
+               trace_printf_key(TRACE_KEY, "node creation: %u\n",
+                                dir->untracked->dir_created);
+               trace_printf_key(TRACE_KEY, "gitignore invalidation: %u\n",
+                                dir->untracked->gitignore_invalidated);
+               trace_printf_key(TRACE_KEY, "directory invalidation: %u\n",
+                                dir->untracked->dir_invalidated);
+               trace_printf_key(TRACE_KEY, "opendir: %u\n",
+                                dir->untracked->dir_opened);
+       }
        return dir->nr;
 }
 
-- 
1.9.1.346.ga2b5940

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