1 files changed, 31 insertions, 21 deletions

diff --git a/read-cache.c b/read-cache.c
index c3d5e3543f..33dd676ccb 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -643,7 +643,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
 			if (*ptr == '/') {
 				struct cache_entry *foundce;
 				++ptr;
-				foundce = index_name_exists(istate, ce->name, ptr - ce->name, ignore_case);
+				foundce = index_dir_exists(istate, ce->name, ptr - ce->name - 1);
 				if (foundce) {
 					memcpy((void *)startPtr, foundce->name + (startPtr - ce->name), ptr - startPtr);
 					startPtr = ptr;
@@ -652,7 +652,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
 		}
 	}
 
-	alias = index_name_exists(istate, ce->name, ce_namelen(ce), ignore_case);
+	alias = index_file_exists(istate, ce->name, ce_namelen(ce), ignore_case);
 	if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, st, ce_option)) {
 		/* Nothing changed, really */
 		free(ce);
@@ -1114,7 +1114,8 @@ static void show_file(const char * fmt, const char * name, int in_porcelain,
 	printf(fmt, name);
 }
 
-int refresh_index(struct index_state *istate, unsigned int flags, const char **pathspec,
+int refresh_index(struct index_state *istate, unsigned int flags,
+		  const struct pathspec *pathspec,
 		  char *seen, const char *header_msg)
 {
 	int i;
@@ -1149,7 +1150,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p
 			continue;
 
 		if (pathspec &&
-		    !match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen))
+		    !match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, seen))
 			filtered = 1;
 
 		if (ce_stage(ce)) {
@@ -1229,14 +1230,14 @@ static struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int reall
 struct ondisk_cache_entry {
 	struct cache_time ctime;
 	struct cache_time mtime;
-	unsigned int dev;
-	unsigned int ino;
-	unsigned int mode;
-	unsigned int uid;
-	unsigned int gid;
-	unsigned int size;
+	uint32_t dev;
+	uint32_t ino;
+	uint32_t mode;
+	uint32_t uid;
+	uint32_t gid;
+	uint32_t size;
 	unsigned char sha1[20];
-	unsigned short flags;
+	uint16_t flags;
 	char name[FLEX_ARRAY]; /* more */
 };
 
@@ -1248,15 +1249,15 @@ struct ondisk_cache_entry {
 struct ondisk_cache_entry_extended {
 	struct cache_time ctime;
 	struct cache_time mtime;
-	unsigned int dev;
-	unsigned int ino;
-	unsigned int mode;
-	unsigned int uid;
-	unsigned int gid;
-	unsigned int size;
+	uint32_t dev;
+	uint32_t ino;
+	uint32_t mode;
+	uint32_t uid;
+	uint32_t gid;
+	uint32_t size;
 	unsigned char sha1[20];
-	unsigned short flags;
-	unsigned short flags2;
+	uint16_t flags;
+	uint16_t flags2;
 	char name[FLEX_ARRAY]; /* more */
 };
 
@@ -1817,8 +1818,17 @@ int write_index(struct index_state *istate, int newfd)
 			continue;
 		if (!ce_uptodate(ce) && is_racy_timestamp(istate, ce))
 			ce_smudge_racily_clean_entry(ce);
-		if (is_null_sha1(ce->sha1))
-			return error("cache entry has null sha1: %s", ce->name);
+		if (is_null_sha1(ce->sha1)) {
+			static const char msg[] = "cache entry has null sha1: %s";
+			static int allow = -1;
+
+			if (allow < 0)
+				allow = git_env_bool("GIT_ALLOW_NULL_SHA1", 0);
+			if (allow)
+				warning(msg, ce->name);
+			else
+				return error(msg, ce->name);
+		}
 		if (ce_write_entry(&c, newfd, ce, previous_name) < 0)
 			return -1;
 	}