docker: take version suffixes like -dev into account

The double and single quotes got too damn complicated, so heredoc we go!

License: MIT
Signed-off-by: Lars Gierth <larsg@systemli.org>

test/sharness/t0300-docker-image.sh

@@ -66,13 +66,16 @@ test_expect_success "simple ipfs add/cat can be run in docker container" '
 	test_cmp expected actual
 '
 
-test_expect_success "version CurrentCommit is set" '
-	docker_exec "$DOC_ID" "wget --retry-connrefused --waitretry=1 --timeout=30 -t 30 \
-		-q -O - http://localhost:8080/version" | grep Commit | cut -d" " -f2 >actual &&
-	docker_exec "$DOC_ID" "ipfs version --commit" | cut -d- -f2 >expected &&
-	test -s expected && # check there actually is a commit set
+read testcode <<EOF
+	docker exec -i "$DOC_ID" wget --retry-connrefused --waitretry=1 --timeout=30 -t 30 \
+		-q -O - http://localhost:8080/version | grep Commit | cut -d" " -f2 >actual ; \
+	test -s actual ; \
+	docker exec -i "$DOC_ID" ipfs version --enc json \
+		| sed 's/^.*"Commit":"\\\([^"]*\\\)".*$/\\\1/g' >expected ; \
+	test -s expected ; \
 	test_cmp expected actual
-'
+EOF
+test_expect_success "version CurrentCommit is set" "$testcode"
 
 test_expect_success "stop docker container" '
 	docker_stop "$DOC_ID"