[PATCHv3 09/13] submodule config: keep update strategy around

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We need the submodule update strategies in a later patch.

Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
 submodule-config.c | 16 ++++++++++++++++
 submodule-config.h |  1 +
 2 files changed, 17 insertions(+)

diff --git a/submodule-config.c b/submodule-config.c
index 393de53..0298a60 100644
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -194,6 +194,7 @@ static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache,
 
 	submodule->path = NULL;
 	submodule->url = NULL;
+	submodule->update = NULL;
 	submodule->fetch_recurse = RECURSE_SUBMODULES_NONE;
 	submodule->ignore = NULL;
 
@@ -326,6 +327,21 @@ static int parse_config(const char *var, const char *value, void *data)
 		free((void *) submodule->url);
 		strbuf_addstr(&url, value);
 		submodule->url = strbuf_detach(&url, NULL);
+	} else if (!strcmp(item.buf, "update")) {
+		struct strbuf update = STRBUF_INIT;
+		if (!value) {
+			ret = config_error_nonbool(var);
+			goto release_return;
+		}
+		if (!me->overwrite && submodule->update != NULL) {
+			warn_multiple_config(me->commit_sha1, submodule->name,
+					"update");
+			goto release_return;
+		}
+
+		free((void *) submodule->update);
+		strbuf_addstr(&update, value);
+		submodule->update = strbuf_detach(&update, NULL);
 	}
 
 release_return:
diff --git a/submodule-config.h b/submodule-config.h
index 9061e4e..f9e2a29 100644
--- a/submodule-config.h
+++ b/submodule-config.h
@@ -14,6 +14,7 @@ struct submodule {
 	const char *url;
 	int fetch_recurse;
 	const char *ignore;
+	const char *update;
 	/* the sha1 blob id of the responsible .gitmodules file */
 	unsigned char gitmodules_sha1[20];
 };
-- 
2.5.0.275.ge015d2a

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