/** To be provided by the particular implementation. **/
extern int fetch(unsigned char *sha1);
+extern int fetch_ref(char *ref, unsigned char *sha1);
+
+/** If set, the ref filename to write the target value to. **/
+extern const char *write_ref;
+
+/** If set, the hash that the current value of write_ref must be. **/
+extern const unsigned char *current_ref;
+
/** Set to fetch the target tree. */
extern int get_tree;
/** Set to fetch the trees in the commit history. **/
extern int get_all;
+/* Set to zero to skip the check for delta object base;
+ * set to two to check delta dependency even for objects we already have.
+ */
+extern int get_delta;
+
+/* Set to be verbose */
+extern int get_verbosely;
+
+/* Report what we got under get_verbosely */
+extern void pull_say(const char *, const char *);
+
extern int pull(char *target);
#endif /* PULL_H */