shithub: libvpx

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libs.mk: retry partial testdata download

attempt retry on transient failures uncaught by --retry

Change-Id: I7cd8846ff88daf0f521af9ee182e30bfd79f51f3

--- a/libs.mk

+++ b/libs.mk

@@ -406,8 +406,16 @@

 $(LIBVPX_TEST_DATA): $(SRC_PATH_BARE)/test/test-data.sha1

 	@echo "    [DOWNLOAD] $@"

-	$(qexec)trap 'rm -f $@' INT TERM &&\

-            curl --retry 1 -L -o $@ $(call libvpx_test_data_url,$(@F))

+	# Attempt to download the file using curl, retrying once if it fails for a

+	# partial file (18).

+	$(qexec)( \

+	  trap 'rm -f $@' INT TERM; \

+	  curl="curl --retry 1 -L -o $@ $(call libvpx_test_data_url,$(@F))"; \

+	  $$curl; \

+	  case "$$?" in \

+	    18) $$curl -C -;; \

+	  esac \

+	)

 testdata:: $(LIBVPX_TEST_DATA)

 	$(qexec)[ -x "$$(which sha1sum)" ] && sha1sum=sha1sum;\