commit c18886c6f84198611809d07f56e3ae6f97f58f50
from: Stefan Sperling <stsp@stsp.name>
date: Sat Jul 27 13:51:31 2019 UTC

avoid fstat() call if no file index entry exists

commit - efdd40df00214d30ba88fa63c6a0cb3ef414088d
commit + c18886c6f84198611809d07f56e3ae6f97f58f50
blob - bd32578a672cd5a5329ff0248325ae7f4012e663
blob + 2acdc3d5fd539be05d49be7c7c03e3e13cdf01ce
--- lib/worktree.c
+++ lib/worktree.c
@@ -1064,28 +1064,32 @@ get_file_status(unsigned char *status, struct stat *sb
 				sb->st_mode = GOT_DEFAULT_FILE_MODE;
 			return NULL;
 		}
-		return got_error_from_errno2("fopen", abspath);
+		return got_error_from_errno2("open", abspath);
 	}
 
-	if (fstat(fd, sb) == -1) {
-		err = got_error_from_errno2("fstat", abspath);
+	if (ie == NULL)
 		goto done;
-	}
 
-	if (!S_ISREG(sb->st_mode)) {
-		*status = GOT_STATUS_OBSTRUCTED;
+	if (fstat(fd, sb) == -1) {
+		err = got_error_from_errno2("fstat", abspath);
 		goto done;
 	}
 
-	if (ie == NULL)
-		goto done;
-
 	if (!got_fileindex_entry_has_file_on_disk(ie)) {
-		*status = GOT_STATUS_DELETE;
+		if (S_ISREG(sb->st_mode))
+			*status = GOT_STATUS_DELETE;
+		else
+			*status = GOT_STATUS_OBSTRUCTED;
 		goto done;
 	} else if (!got_fileindex_entry_has_blob(ie)) {
-		*status = GOT_STATUS_ADD;
+		if (S_ISREG(sb->st_mode))
+			*status = GOT_STATUS_ADD;
+		else
+			*status = GOT_STATUS_OBSTRUCTED;
 		goto done;
+	} else if (!S_ISREG(sb->st_mode)) {
+		*status = GOT_STATUS_OBSTRUCTED;
+		goto done;
 	}
 
 	if (!stat_info_differs(ie, sb))