/* Read a tree into the cache */
extern int read_tree(void *buffer, unsigned long size, int stage, const char **paths);
-extern int write_sha1_from_fd(const unsigned char *sha1, int fd);
+extern int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer,
+ size_t bufsize, size_t *bufposn);
extern int write_sha1_to_fd(int fd, const unsigned char *sha1);
extern int has_sha1_pack(const unsigned char *sha1);