submodule: port init from shell to C

diff --git a/submodule.c b/submodule.c
index 90825e17fab5872d2e4c94a3cab84c696eb69248..4cc1c27931ee820e902e31e53112ef047ec821c0 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -237,6 +237,27 @@ int parse_submodule_update_strategy(const char *value,
        return 0;
 }
 
+const char *submodule_strategy_to_string(const struct submodule_update_strategy *s)
+{
+       struct strbuf sb = STRBUF_INIT;
+       switch (s->type) {
+       case SM_UPDATE_CHECKOUT:
+               return "checkout";
+       case SM_UPDATE_MERGE:
+               return "merge";
+       case SM_UPDATE_REBASE:
+               return "rebase";
+       case SM_UPDATE_NONE:
+               return "none";
+       case SM_UPDATE_UNSPECIFIED:
+               return NULL;
+       case SM_UPDATE_COMMAND:
+               strbuf_addf(&sb, "!%s", s->command);
+               return strbuf_detach(&sb, NULL);
+       }
+       return NULL;
+}
+
 void handle_ignore_submodules_arg(struct diff_options *diffopt,
                                  const char *arg)
 {