typedef void (*configfn)(const char *name, const char *value);
typedef void (*filepair_fn)(struct diff_filepair *pair);
typedef void (*linediff_fn)(char *line, int len);
typedef void (*configfn)(const char *name, const char *value);
typedef void (*filepair_fn)(struct diff_filepair *pair);
typedef void (*linediff_fn)(char *line, int len);
extern char *cgit_logo_link;
extern char *cgit_module_link;
extern char *cgit_virtual_root;
extern char *cgit_logo_link;
extern char *cgit_module_link;
extern char *cgit_virtual_root;
extern int cgit_max_lock_attempts;
extern int cgit_cache_root_ttl;
extern int cgit_cache_repo_ttl;
extern int cgit_max_lock_attempts;
extern int cgit_cache_root_ttl;
extern int cgit_cache_repo_ttl;
extern void cgit_global_config_cb(const char *name, const char *value);
extern void cgit_repo_config_cb(const char *name, const char *value);
extern void cgit_querystring_cb(const char *name, const char *value);
extern void cgit_global_config_cb(const char *name, const char *value);
extern void cgit_repo_config_cb(const char *name, const char *value);
extern void cgit_querystring_cb(const char *name, const char *value);
extern int cgit_parse_query(char *txt, configfn fn);
extern struct commitinfo *cgit_parse_commit(struct commit *commit);
extern struct taginfo *cgit_parse_tag(struct tag *tag);
extern int cgit_parse_query(char *txt, configfn fn);
extern struct commitinfo *cgit_parse_commit(struct commit *commit);
extern struct taginfo *cgit_parse_tag(struct tag *tag);
extern void cgit_print_docstart(char *title, struct cacheitem *item);
extern void cgit_print_docend();
extern void cgit_print_pageheader(char *title, int show_search);
extern void cgit_print_docstart(char *title, struct cacheitem *item);
extern void cgit_print_docend();
extern void cgit_print_pageheader(char *title, int show_search);
-extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep);
+extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path);
extern void cgit_print_view(const char *hex, char *path);
extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path);
extern void cgit_print_view(const char *hex, char *path);
extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path);
-extern void cgit_print_diff(const char *old_hex, const char *new_hex, char *path);
-extern void cgit_print_snapshot(struct cacheitem *item, const char *hex,
+extern void cgit_print_diff(const char *head, const char *old_hex, const char *new_hex,
+ char *path);
+extern void cgit_print_snapshot(struct cacheitem *item, const char *hex,