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[PATCHv5 4/8] submodule--helper update-clone: allow multiple references

From
Stefan Beller <sbeller@google.com>
Date
Aug 15, 2016, 21:53 UTC
Message-ID
<20160815215327.15682-5-sbeller@google.com>
In-Reply-To
<20160815215327.15682-1-sbeller@google.com>

Allow the user to pass in multiple references to update_clone. Currently this is only internal API, but once the shell script is replaced by a C version, this is needed.

This fixes an API bug between the shell script and the helper. Currently the helper accepts "--reference" "--reference=foo" as a OPT_STRING whose value happens to be "--reference=foo", and then uses

        if (suc->reference)
                argv_array_push(&child->args, suc->reference)

where suc->reference _is_ "--reference=foo" when invoking the underlying "git clone", it cancels out.

With this change we omit one of the "--reference" arguments when passing references from the shell script to the helper.

Signed-off-by: Stefan Beller <sbeller@google.com>
---
 builtin/submodule--helper.c | 14 +++++++++-----
 git-submodule.sh            |  2 +-
 2 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index ce9b3e9..7096848 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -584,7 +584,7 @@ struct submodule_update_clone {
 	/* configuration parameters which are passed on to the children */
 	int quiet;
 	int recommend_shallow;
-	const char *reference;
+	struct string_list references;
 	const char *depth;
 	const char *recursive_prefix;
 	const char *prefix;
@@ -600,7 +600,8 @@ struct submodule_update_clone {
 	int failed_clones_nr, failed_clones_alloc;
 };
 #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
-	SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, NULL, NULL, NULL, NULL, \
+	SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, STRING_LIST_INIT_DUP, \
+	NULL, NULL, NULL, \
 	STRING_LIST_INIT_DUP, 0, NULL, 0, 0}
 
 
@@ -710,8 +711,11 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
 	argv_array_pushl(&child->args, "--path", sub->path, NULL);
 	argv_array_pushl(&child->args, "--name", sub->name, NULL);
 	argv_array_pushl(&child->args, "--url", url, NULL);
-	if (suc->reference)
-		argv_array_push(&child->args, suc->reference);
+	if (suc->references.nr) {
+		struct string_list_item *item;
+		for_each_string_list_item(item, &suc->references)
+			argv_array_pushl(&child->args, "--reference", item->string, NULL);
+	}
 	if (suc->depth)
 		argv_array_push(&child->args, suc->depth);
 
@@ -830,7 +834,7 @@ static int update_clone(int argc, const char **argv, const char *prefix)
 		OPT_STRING(0, "update", &update,
 			   N_("string"),
 			   N_("rebase, merge, checkout or none")),
-		OPT_STRING(0, "reference", &suc.reference, N_("repo"),
+		OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
 			   N_("reference repository")),
 		OPT_STRING(0, "depth", &suc.depth, "<depth>",
 			   N_("Create a shallow clone truncated to the "
diff --git a/git-submodule.sh b/git-submodule.sh
index c90dc33..3b412f5 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -575,7 +575,7 @@ cmd_update()
 		${wt_prefix:+--prefix "$wt_prefix"} \
 		${prefix:+--recursive-prefix "$prefix"} \
 		${update:+--update "$update"} \
-		${reference:+--reference "$reference"} \
+		${reference:+"$reference"} \
 		${depth:+--depth "$depth"} \
 		${recommend_shallow:+"$recommend_shallow"} \
 		${jobs:+$jobs} \
-- 
2.9.2.730.g525ad04.dirty
Previous: Jacob KellerNext: Jacob Keller
Message 6 of 24 in “[PATCHv5 0/8] git clone: Marry --recursive and --reference”
  1. Stefan BellerAug 15, 2016
  2. 1/8 t7408: modernize styleStefan Beller, Aug 15, 2016
  3. Jacob KellerAug 23, 2016
  4. 2/8 t7408: merge short tests, factor out testing methodStefan Beller, Aug 15, 2016
  5. Jacob KellerAug 23, 2016
  6. 4/8 submodule--helper update-clone: allow multiple referencesStefan Beller, Aug 15, 2016
  7. Jacob KellerAug 23, 2016
  8. 5/8 clone: factor out checking for an alternate pathStefan Beller, Aug 15, 2016
  9. Jacob KellerAug 23, 2016
  10. 6/8 clone: clarify option_reference as requiredStefan Beller, Aug 15, 2016
  11. Jacob KellerAug 23, 2016
  12. 3/8 submodule--helper module-clone: allow multiple referencesStefan Beller, Aug 15, 2016
  13. Jacob KellerAug 23, 2016
  14. 7/8 clone: implement optional referencesStefan Beller, Aug 15, 2016
  15. Jacob KellerAug 23, 2016
  16. 8/8 clone: recursive and reference option triggers submodule alternatesStefan Beller, Aug 15, 2016
  17. Jacob KellerAug 23, 2016
  18. Stefan BellerAug 23, 2016
  19. Jacob KellerAug 24, 2016
  20. Stefan BellerAug 24, 2016
  21. Jacob KellerAug 24, 2016
  22. Stefan BellerAug 31, 2016
  23. Jacob KellerAug 31, 2016
  24. Junio C HamanoAug 15, 2016

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