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[RFC PATCH 2/2] submodule: simplify decision tree whether to or not to fetch

From
Heiko Voigt <hvoigt@hvoigt.net>
Date
Aug 17, 2017, 11:00 UTC
Message-ID
<20170817110013.GD52233@book.hvoigt.net>
In-Reply-To
<20170817105349.GC52233@book.hvoigt.net>
To make extending this logic later easier.
Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
---
I am quite sure I replicated the same logic but a few more eyes would be
appreciated.
Cheers Heiko
 submodule.c | 55 +++++++++++++++++++++++++++----------------------------
 1 file changed, 27 insertions(+), 28 deletions(-)
diff --git a/submodule.c b/submodule.c
index 3ed78ac..a1011f4 100644
--- a/submodule.c
+++ b/submodule.c
@@ -1171,6 +1171,21 @@ int submodule_touches_in_range(struct object_id *excl_oid,
 	return ret;
 }
 
+static int get_fetch_recurse_config(const struct submodule *submodule, int command_line_option)
+{
+	if (command_line_option != RECURSE_SUBMODULES_DEFAULT)
+		return command_line_option;
+
+	if (submodule && submodule->fetch_recurse != RECURSE_SUBMODULES_NONE)
+		/* local config overrules everything except commandline */
+		return submodule->fetch_recurse;
+
+	if (gitmodules_is_unmerged)
+		return RECURSE_SUBMODULES_OFF;
+
+	return config_fetch_recurse_submodules;
+}
+
 struct submodule_parallel_fetch {
 	int count;
 	struct argv_array args;
@@ -1203,37 +1218,21 @@ static int get_next_submodule(struct child_process *cp,
 		if (!submodule)
 			submodule = submodule_from_name(&null_oid, ce->name);
 
-		default_argv = "yes";
-		if (spf->command_line_option == RECURSE_SUBMODULES_DEFAULT) {
-			if (submodule &&
-			    submodule->fetch_recurse !=
-						RECURSE_SUBMODULES_NONE) {
-				if (submodule->fetch_recurse ==
-						RECURSE_SUBMODULES_OFF)
-					continue;
-				if (submodule->fetch_recurse ==
-						RECURSE_SUBMODULES_ON_DEMAND) {
-					if (!unsorted_string_list_lookup(&changed_submodule_names,
-									 submodule->name))
-						continue;
-					default_argv = "on-demand";
-				}
-			} else {
-				if ((config_fetch_recurse_submodules == RECURSE_SUBMODULES_OFF) ||
-				    gitmodules_is_unmerged)
-					continue;
-				if (config_fetch_recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) {
-					if (!unsorted_string_list_lookup(&changed_submodule_names,
-									 submodule->name))
-						continue;
-					default_argv = "on-demand";
-				}
-			}
-		} else if (spf->command_line_option == RECURSE_SUBMODULES_ON_DEMAND) {
-			if (!unsorted_string_list_lookup(&changed_submodule_names,
+		switch (get_fetch_recurse_config(submodule, spf->command_line_option))
+		{
+		default:
+		case RECURSE_SUBMODULES_DEFAULT:
+		case RECURSE_SUBMODULES_ON_DEMAND:
+			if (!submodule || !unsorted_string_list_lookup(&changed_submodule_names,
 							 submodule->name))
 				continue;
 			default_argv = "on-demand";
+			break;
+		case RECURSE_SUBMODULES_ON:
+			default_argv = "yes";
+			break;
+		case RECURSE_SUBMODULES_OFF:
+			continue;
 		}
 
 		strbuf_addf(&submodule_path, "%s/%s", spf->work_tree, ce->name);
-- 
2.0.0.274.g6b2cd91
Previous: Heiko VoigtNext: Stefan Beller
Message 2 of 11 in “implement fetching of moved submodules”
  1. 1/2 implement fetching of moved submodulesHeiko Voigt, Aug 17, 2017
  2. 2/2 submodule: simplify decision tree whether to or not to fetchHeiko Voigt, Aug 17, 2017
  3. Stefan BellerAug 17, 2017
  4. Brandon WilliamsAug 17, 2017
  5. Heiko VoigtAug 18, 2017
  6. Stefan BellerAug 17, 2017
  7. Heiko VoigtAug 18, 2017
  8. 1/2 implement fetching of moved submodulesHeiko Voigt, Sep 15, 2017
  9. 2/2 submodule: simplify decision tree whether to or not to fetchHeiko Voigt, Sep 15, 2017
  10. Brandon WilliamsSep 18, 2017
  11. Brandon WilliamsSep 18, 2017

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