unpack-trees: move ERROR_WOULD_LOSE_SUBMODULE earlier

A minor change, but we want to convert the sparse messages to warnings
and this allows us to group warnings and errors.

Reviewed-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

unpack-trees.c

@@ -43,15 +43,14 @@ static const char *unpack_plumbing_errors[NB_UNPACK_TREES_ERROR_TYPES] = {
 	/* ERROR_BIND_OVERLAP */
 	"Entry '%s' overlaps with '%s'.  Cannot bind.",
 
+	/* ERROR_WOULD_LOSE_SUBMODULE */
+	"Submodule '%s' cannot checkout new HEAD.",
+
 	/* ERROR_SPARSE_NOT_UPTODATE_FILE */
 	"Entry '%s' not uptodate. Cannot update sparse checkout.",
 
 	/* ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN */
 	"Working tree file '%s' would be overwritten by sparse checkout update.",
-
-
-	/* ERROR_WOULD_LOSE_SUBMODULE */
-	"Submodule '%s' cannot checkout new HEAD.",
 };
 
 #define ERRORMSG(o,type) \
@@ -166,12 +165,13 @@ void setup_unpack_trees_porcelain(struct unpack_trees_options *opts,
 	 */
 	msgs[ERROR_BIND_OVERLAP] = _("Entry '%s' overlaps with '%s'.  Cannot bind.");
 
+	msgs[ERROR_WOULD_LOSE_SUBMODULE] =
+		_("Cannot update submodule:\n%s");
+
 	msgs[ERROR_SPARSE_NOT_UPTODATE_FILE] =
 		_("Cannot update sparse checkout: the following entries are not up to date:\n%s");
 	msgs[ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN] =
 		_("The following working tree files would be overwritten by sparse checkout update:\n%s");
-	msgs[ERROR_WOULD_LOSE_SUBMODULE] =
-		_("Cannot update submodule:\n%s");
 
 	opts->show_all_errors = 1;
 	/* rejected paths may not have a static buffer */

unpack-trees.h

@@ -22,9 +22,9 @@ enum unpack_trees_error_types {
 	ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN,
 	ERROR_WOULD_LOSE_UNTRACKED_REMOVED,
 	ERROR_BIND_OVERLAP,
+	ERROR_WOULD_LOSE_SUBMODULE,
 	ERROR_SPARSE_NOT_UPTODATE_FILE,
 	ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN,
-	ERROR_WOULD_LOSE_SUBMODULE,
 	NB_UNPACK_TREES_ERROR_TYPES
 };