make travis fuseki install more failsafe, fixes RDFLib#475

.travis.fuseki_install_optional.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -v
+
+if wget http://archive.eu.apache.org/dist/jena/binaries/jena-fuseki1-1.1.2-distribution-brokenURITest.tar.gz &&
+       tar -zxf jena-fuseki*-distribution.tar.gz &&
+       mv jena-fuseki*/ fuseki &&
+       cd fuseki ; then
+    # normal SPARQLStore & Dataset tests:
+    bash fuseki-server --port 3030 --debug --update --mem /db &>fuseki.log &
+    # SPARQLUpdateStore tests & ConjunctiveGraph endpoint behavior:
+    bash fuseki-server --port 3031 --debug --update --memTDB --set tdb:unionDefaultGraph=true /db &>fuseki.log &
+    sleep 2
+    cd ..
+else
+    echo "fuseki install failed, skipping... please check URI" >&2
+fi

.travis.yml

@@ -14,16 +14,7 @@ python:
     # - "pypy"
 
 before_install:
-  - wget http://www.eu.apache.org/dist/jena/binaries/jena-fuseki1-1.1.2-distribution.tar.gz
-  - tar -zxf jena-fuseki*-distribution.tar.gz
-  - mv jena-fuseki*/ fuseki
-  - cd fuseki
-  # normal SPARQLStore & Dataset tests:
-  - bash fuseki-server --port 3030 --debug --update --mem /db &>fuseki.log &
-  # SPARQLUpdateStore tests & ConjunctiveGraph endpoint behavior:
-  - bash fuseki-server --port 3031 --debug --update --memTDB --set tdb:unionDefaultGraph=true /db &>fuseki.log &
-  - sleep 2
-  - cd ..
+    - bash .travis.fuseki_install_optional.sh
 
 install:
     # iodate0.4.8 is problematic with Pypy, use fixed version