X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=diff-lib.c;h=07f4e8106a51384d2236b182438472884c300da6;hb=9cb18f56fdee6885884f5f08bd5335a42d9034dc;hp=5c5b05bfe32bc90484b5bd6a9c171e0f9b04fbd6;hpb=3635a187704ed30b32eb11f5098496e5e435a19d;p=git.git

diff --git a/diff-lib.c b/diff-lib.c
index 5c5b05bfe..07f4e8106 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -142,18 +142,34 @@ static int queue_diff(struct diff_options *o,
 	}
 }
 
+/*
+ * Does the path name a blob in the working tree, or a directory
+ * in the working tree?
+ */
 static int is_in_index(const char *path)
 {
-	int len = strlen(path);
-	int pos = cache_name_pos(path, len);
-	char c;
-
-	if (pos < 0)
-		return 0;
-	if (strncmp(active_cache[pos]->name, path, len))
-		return 0;
-	c = active_cache[pos]->name[len];
-	return c == '\0' || c == '/';
+	int len, pos;
+	struct cache_entry *ce;
+
+	len = strlen(path);
+	while (path[len-1] == '/')
+		len--;
+	if (!len)
+		return 1; /* "." */
+	pos = cache_name_pos(path, len);
+	if (0 <= pos)
+		return 1;
+	pos = -1 - pos;
+	while (pos < active_nr) {
+		ce = active_cache[pos++];
+		if (ce_namelen(ce) <= len ||
+		    strncmp(ce->name, path, len) ||
+		    (ce->name[len] > '/'))
+			break; /* path cannot be a prefix */
+		if (ce->name[len] == '/')
+			return 1;
+	}
+	return 0;
 }
 
 static int handle_diff_files_args(struct rev_info *revs,
@@ -357,7 +373,7 @@ int run_diff_files(struct rev_info *revs, int silent_on_removed)
 					continue;
 			}
 			else
-				dpath->mode = canon_mode(st.st_mode);
+				dpath->mode = ntohl(ce_mode_from_stat(ce, st.st_mode));
 
 			while (i < entries) {
 				struct cache_entry *nce = active_cache[i];
@@ -374,8 +390,7 @@ int run_diff_files(struct rev_info *revs, int silent_on_removed)
 					int mode = ntohl(nce->ce_mode);
 					num_compare_stages++;
 					hashcpy(dpath->parent[stage-2].sha1, nce->sha1);
-					dpath->parent[stage-2].mode =
-						canon_mode(mode);
+					dpath->parent[stage-2].mode = ntohl(ce_mode_from_stat(nce, mode));
 					dpath->parent[stage-2].status =
 						DIFF_STATUS_MODIFIED;
 				}
@@ -424,15 +439,7 @@ int run_diff_files(struct rev_info *revs, int silent_on_removed)
 		if (!changed && !revs->diffopt.find_copies_harder)
 			continue;
 		oldmode = ntohl(ce->ce_mode);
-
-		newmode = canon_mode(st.st_mode);
-		if (!trust_executable_bit &&
-		    S_ISREG(newmode) && S_ISREG(oldmode) &&
-		    ((newmode ^ oldmode) == 0111))
-			newmode = oldmode;
-		else if (!has_symlinks &&
-		    S_ISREG(newmode) && S_ISLNK(oldmode))
-			newmode = oldmode;
+		newmode = ntohl(ce_mode_from_stat(ce, st.st_mode));
 		diff_change(&revs->diffopt, oldmode, newmode,
 			    ce->sha1, (changed ? null_sha1 : ce->sha1),
 			    ce->name, NULL);