int run_command(struct child_process *);
extern char *find_hook(const char *name);
-extern int run_hook(const char *index_file, const char *name, ...);
+LAST_ARG_MUST_BE_NULL
+extern int run_hook_le(const char *const *env, const char *name, ...);
+extern int run_hook_ve(const char *const *env, const char *name, va_list args);
+
+LAST_ARG_MUST_BE_NULL
+__attribute__((deprecated))
+extern int run_hook_with_custom_index(const char *index_file, const char *name, ...);
#define RUN_COMMAND_NO_STDIN 1
#define RUN_GIT_CMD 2 /*If this is to be git sub-command */