commit-graph: return with errors during write

diff --git a/tree-walk.h b/tree-walk.h
index 196831007e618f808661bf4b7f54030890f48563..82251718666eb5dceb33d6140e86de5a627baab1 100644 (file)
--- a/tree-walk.h
+++ b/tree-walk.h
@@ -1,11 +1,12 @@
 #ifndef TREE_WALK_H
 #define TREE_WALK_H
 
-struct strbuf;
+#include "cache.h"
 
 struct name_entry {
-       const struct object_id *oid;
+       struct object_id oid;
        const char *path;
+       int pathlen;
        unsigned int mode;
 };
 
@@ -19,12 +20,12 @@ static inline const struct object_id *tree_entry_extract(struct tree_desc *desc,
 {
        *pathp = desc->entry.path;
        *modep = desc->entry.mode;
-       return desc->entry.oid;
+       return &desc->entry.oid;
 }
 
 static inline int tree_entry_len(const struct name_entry *ne)
 {
-       return (const char *)ne->oid - ne->path - 1;
+       return ne->pathlen;
 }
 
 /*
@@ -48,25 +49,9 @@ void *fill_tree_descriptor(struct tree_desc *desc, const struct object_id *oid);
 
 struct traverse_info;
 typedef int (*traverse_callback_t)(int n, unsigned long mask, unsigned long dirmask, struct name_entry *entry, struct traverse_info *);
-int traverse_trees(int n, struct tree_desc *t, struct traverse_info *info);
-
-enum follow_symlinks_result {
-       FOUND = 0, /* This includes out-of-tree links */
-       MISSING_OBJECT = -1, /* The initial symlink is missing */
-       DANGLING_SYMLINK = -2, /*
-                               * The initial symlink is there, but
-                               * (transitively) points to a missing
-                               * in-tree file
-                               */
-       SYMLINK_LOOP = -3,
-       NOT_DIR = -4, /*
-                      * Somewhere along the symlink chain, a path is
-                      * requested which contains a file as a
-                      * non-final element.
-                      */
-};
+int traverse_trees(struct index_state *istate, int n, struct tree_desc *t, struct traverse_info *info);
 
-enum follow_symlinks_result get_tree_entry_follow_symlinks(struct object_id *tree_oid, const char *name, struct object_id *result, struct strbuf *result_path, unsigned *mode);
+enum get_oid_result get_tree_entry_follow_symlinks(struct object_id *tree_oid, const char *name, struct object_id *result, struct strbuf *result_path, unsigned *mode);
 
 struct traverse_info {
        const char *traverse_path;
@@ -98,8 +83,9 @@ enum interesting {
        all_entries_interesting = 2 /* yes, and all subsequent entries will be */
 };
 
-extern enum interesting tree_entry_interesting(const struct name_entry *,
-                                              struct strbuf *, int,
-                                              const struct pathspec *ps);
+enum interesting tree_entry_interesting(struct index_state *istate,
+                                       const struct name_entry *,
+                                       struct strbuf *, int,
+                                       const struct pathspec *ps);
 
 #endif