Export travis job number

- This is used in the remote docs script to preventi
  failed builds from pushing docs.
- Also added exe wrapper to the scp failed_file command

.templates/remote-script.sh.template

@@ -20,6 +20,7 @@
 
 {% block remote_script %}
 {{ super() }}
+        export TRAVIS_JOB_NUMBER="$TRAVIS_JOB_NUMBER"
         export TRAVIS_BRANCH="$TRAVIS_BRANCH"
         export TRAVIS_TAG="$TRAVIS_TAG"
         export TEST_ARGS="$TEST_ARGS"
@@ -30,7 +31,7 @@
 {% block after_script %}
     {% if remote_script == "docs" %}
     REMOTE_FAILED_FILE="tmp/nengo-fpga-$TRAVIS_JOB_NUMBER/{{ pkg }}/$TRAVIS_JOB_NUMBER.failed"
-    ssh -q {{ host }} [[ -e "$REMOTE_FAILED_FILE" ]] && scp {{ host }}:"$REMOTE_FAILED_FILE" .
+    ssh -q {{ host }} [[ -e "$REMOTE_FAILED_FILE" ]] && exe scp {{ host }}:"$REMOTE_FAILED_FILE" .
     exe rsync -azh "{{ host }}:./tmp/{{ pkg }}-$TRAVIS_JOB_NUMBER/{{ pkg }}-docs" ..
     {% endif %}
     exe bash .ci/{{ remote_script }}.sh after_script

CHANGES.rst

@@ -59,6 +59,8 @@ Release History
   (`#45 <https://github.com/nengo/nengo-fpga/pull/45>`__)
 - Start using intersphinx, rename docs using '-'.
   (`#48 <https://github.com/nengo/nengo-fpga/pull/48>`__)
+- Add TRAVIS_JOB_NUMBER to exported variables in remote-docs.sh.
+  (`#63 <https://github.com/nengo/nengo-fpga/pull/63>`__)
 
 
 0.2.1 (September 17, 2019)