line-log: respect diffopt's configured output file stream

diff --git a/submodule.h b/submodule.h
index 3166608fb55c81ff4c0a147c31bb9a3052fd0bc2..2af9390998194c7d51a3e23b14723574d6696926 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -5,6 +5,7 @@ struct diff_options;
 struct argv_array;
 
 enum {
+       RECURSE_SUBMODULES_CHECK = -4,
        RECURSE_SUBMODULES_ERROR = -3,
        RECURSE_SUBMODULES_NONE = -2,
        RECURSE_SUBMODULES_ON_DEMAND = -1,
@@ -38,6 +39,7 @@ int submodule_config(const char *var, const char *value, void *cb);
 void gitmodules_config(void);
 int parse_submodule_update_strategy(const char *value,
                struct submodule_update_strategy *dst);
+const char *submodule_strategy_to_string(const struct submodule_update_strategy *s);
 void handle_ignore_submodules_arg(struct diff_options *diffopt, const char *);
 void show_submodule_summary(FILE *f, const char *path,
                const char *line_prefix,
@@ -60,4 +62,11 @@ int push_unpushed_submodules(unsigned char new_sha1[20], const char *remotes_nam
 void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir);
 int parallel_submodules(void);
 
+/*
+ * Prepare the "env_array" parameter of a "struct child_process" for executing
+ * a submodule by clearing any repo-specific envirionment variables, but
+ * retaining any config in the environment.
+ */
+void prepare_submodule_repo_env(struct argv_array *out);
+
 #endif