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-rw-r--r--tree-walk.h27
1 files changed, 23 insertions, 4 deletions
diff --git a/tree-walk.h b/tree-walk.h
index ae7fb3a824..97a7d6957e 100644
--- a/tree-walk.h
+++ b/tree-walk.h
@@ -2,7 +2,7 @@
#define TREE_WALK_H
struct name_entry {
- const unsigned char *sha1;
+ const struct object_id *oid;
const char *path;
unsigned int mode;
};
@@ -13,16 +13,16 @@ struct tree_desc {
unsigned int size;
};
-static inline const unsigned char *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep)
+static inline const struct object_id *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep)
{
*pathp = desc->entry.path;
*modep = desc->entry.mode;
- return desc->entry.sha1;
+ return desc->entry.oid;
}
static inline int tree_entry_len(const struct name_entry *ne)
{
- return (const char *)ne->sha1 - ne->path - 1;
+ return (const char *)ne->oid - ne->path - 1;
}
void update_tree_entry(struct tree_desc *);
@@ -40,7 +40,26 @@ 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.
+ */
+};
+
+enum follow_symlinks_result get_tree_entry_follow_symlinks(unsigned char *tree_sha1, const char *name, unsigned char *result, struct strbuf *result_path, unsigned *mode);
+
struct traverse_info {
+ const char *traverse_path;
struct traverse_info *prev;
struct name_entry name;
int pathlen;