t9300: factor out portable "head -c" replacement

diff --git a/submodule.h b/submodule.h
index e06eaa5ebb30e825fd0721c76e7d194b0b854706..2af9390998194c7d51a3e23b14723574d6696926 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -14,6 +14,21 @@ enum {
        RECURSE_SUBMODULES_ON = 2
 };
 
+enum submodule_update_type {
+       SM_UPDATE_UNSPECIFIED = 0,
+       SM_UPDATE_CHECKOUT,
+       SM_UPDATE_REBASE,
+       SM_UPDATE_MERGE,
+       SM_UPDATE_NONE,
+       SM_UPDATE_COMMAND
+};
+
+struct submodule_update_strategy {
+       enum submodule_update_type type;
+       const char *command;
+};
+#define SUBMODULE_UPDATE_STRATEGY_INIT {SM_UPDATE_UNSPECIFIED, NULL}
+
 int is_staging_gitmodules_ok(void);
 int update_path_in_gitmodules(const char *oldpath, const char *newpath);
 int remove_path_from_gitmodules(const char *path);
@@ -22,6 +37,9 @@ void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt,
                const char *path);
 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,
@@ -42,5 +60,13 @@ int find_unpushed_submodules(unsigned char new_sha1[20], const char *remotes_nam
                struct string_list *needs_pushing);
 int push_unpushed_submodules(unsigned char new_sha1[20], const char *remotes_name);
 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