checkout: add advice for ambiguous "checkout <branch>"

diff --git a/git-submodule.sh b/git-submodule.sh
index fd0fe081a81530c61480104d5ce6d84e9e4ea371..78073cd87d1b1775bb4f4264557aba18c73c5911 100755 (executable)
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -630,7 +630,7 @@ cmd_update()
                                # is not reachable from a ref.
                                is_tip_reachable "$sm_path" "$sha1" ||
                                fetch_in_submodule "$sm_path" $depth ||
-                               die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
+                               say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
 
                                # Now we tried the usual fetch, but $sha1 may
                                # not be reachable from any of the refs