tests: try to build Skopeo and pull an image

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

.travis.yml

@@ -5,6 +5,14 @@ services:
 
 matrix:
   fast_finish: true
+  allow_failures:
+    - env: TEST=skopeo
+
+env:
+  global:
+  matrix:
+    - TEST=integration
+    - TEST=skopeo
 
 # Don't send out emails
 notifications:
@@ -12,8 +20,9 @@ notifications:
     
 before_script:
   - docker pull registry.fedoraproject.org/fedora:latest
-  - docker run -e GOPATH=/opt --cidfile=/tmp/cidfile registry.fedoraproject.org/fedora:latest /bin/bash -c "dnf install -y make golang go-compilers-golang-compiler findutils ostree ostree-devel"
+  - docker run -e GOPATH=/opt --cidfile=/tmp/cidfile registry.fedoraproject.org/fedora:latest /bin/bash -c "dnf install -y make golang go-compilers-golang-compiler findutils ostree ostree-devel gpgme-devel libassuan-devel btrfs-progs-devel device-mapper-devel"
   - docker commit `cat /tmp/cidfile` go-ostree/test
 
 script:
-  - docker run --rm -e GOPATH=/opt -v ${PWD}:/opt/src/github.com/ostreedev/ostree-go go-ostree/test /bin/bash -c "cd /opt/src/github.com/ostreedev/ostree-go && make install-tools && PATH=$PATH:/opt/bin make deps && PATH=$PATH:/opt/bin make lint && PATH=$PATH:/opt/bin make test"
+  - if [ $TEST == 'integration' ]; then docker run --rm -e GOPATH=/opt -v ${PWD}:/opt/src/github.com/ostreedev/ostree-go go-ostree/test /bin/bash -c "cd /opt/src/github.com/ostreedev/ostree-go && make install-tools && PATH=$PATH:/opt/bin make deps && PATH=$PATH:/opt/bin make lint && PATH=$PATH:/opt/bin make test"; fi
+  - if [ $TEST == 'skopeo' ]; then docker run --rm -e GOPATH=/opt -v ${PWD}:/ostree-go go-ostree/test /ostree-go/scripts/travis/test_skopeo.sh; fi

scripts/travis/test_skopeo.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -euo pipefail
+
+go get github.com/LK4D4/vndr
+
+mkdir -p $GOPATH/src/github.com/containers
+cd $GOPATH/src/github.com/containers
+git clone https://github.com/containers/skopeo
+cd skopeo
+sed -i -e 's|^github.com/ostreedev/ostree-go.*$|github.com/ostreedev/ostree-go HEAD /ostree-go|g' vendor.conf
+$GOPATH/bin/vndr
+make binary-local
+mkdir -p /ostree/repo
+ostree --repo=/ostree/repo init --mode=bare-user
+mkdir -p /etc/containers/
+cp -u default-policy.json /etc/containers/policy.json
+./skopeo copy docker://docker.io/fedora ostree:docker.io/fedora@/ostree/repo