Teach 'diff' about 'diff' attribute.

diff --git a/read-cache.c b/read-cache.c
index 823c2c3b08e559a5b0a29dc30c00772301b8cb79..54573ce2ee3b2c70d5419716b20ade61683bc289 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -24,8 +24,6 @@ unsigned int active_nr, active_alloc, active_cache_changed;
 
 struct cache_tree *active_cache_tree;
 
-int cache_errno;
-
 static void *cache_mmap;
 static size_t cache_mmap_size;
 
@@ -327,7 +325,7 @@ int remove_file_from_cache(const char *path)
        return 0;
 }
 
-int add_file_to_index(const char *path, int verbose)
+int add_file_to_cache(const char *path, int verbose)
 {
        int size, namelen;
        struct stat st;
@@ -665,14 +663,15 @@ int add_cache_entry(struct cache_entry *ce, int option)
  * For example, you'd want to do this after doing a "git-read-tree",
  * to link up the stat cache details with the proper files.
  */
-struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really)
+static struct cache_entry *refresh_cache_ent(struct cache_entry *ce, int really, int *err)
 {
        struct stat st;
        struct cache_entry *updated;
        int changed, size;
 
        if (lstat(ce->name, &st) < 0) {
-               cache_errno = errno;
+               if (err)
+                       *err = errno;
                return NULL;
        }
 
@@ -686,7 +685,8 @@ struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really)
        }
 
        if (ce_modified(ce, &st, really)) {
-               cache_errno = EINVAL;
+               if (err)
+                       *err = EINVAL;
                return NULL;
        }
 
@@ -718,6 +718,8 @@ int refresh_cache(unsigned int flags)
 
        for (i = 0; i < active_nr; i++) {
                struct cache_entry *ce, *new;
+               int cache_errno = 0;
+
                ce = active_cache[i];
                if (ce_stage(ce)) {
                        while ((i < active_nr) &&
@@ -731,7 +733,7 @@ int refresh_cache(unsigned int flags)
                        continue;
                }
 
-               new = refresh_cache_entry(ce, really);
+               new = refresh_cache_ent(ce, really, &cache_errno);
                if (new == ce)
                        continue;
                if (!new) {
@@ -759,6 +761,11 @@ int refresh_cache(unsigned int flags)
        return has_errors;
 }
 
+struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really)
+{
+       return refresh_cache_ent(ce, really, NULL);
+}
+
 static int verify_hdr(struct cache_header *hdr, unsigned long size)
 {
        SHA_CTX c;