Fix Circle tag regex matcher

circle.yml

@@ -0,0 +1,29 @@
+machine:
+  pre:
+    - sudo curl -L -o /usr/bin/docker 'https://s3-external-1.amazonaws.com/circle-downloads/docker-1.9.1-circleci'
+    - sudo chmod 0755 /usr/bin/docker
+    - sudo curl -L 'https://github.com/aktau/github-release/releases/download/v0.6.2/linux-amd64-github-release.tar.bz2' | tar xvjf - --strip-components 3 -C $HOME/bin
+  services:
+    - docker
+
+dependencies:
+  pre:
+    - make promu
+    - docker info
+  override:
+    - promu crossbuild
+  post:
+    - mkdir $CIRCLE_ARTIFACTS/binaries/ && cp -a .build/* $CIRCLE_ARTIFACTS/binaries/
+
+test:
+  override:
+    - echo "No tests"
+
+deployment:
+  hub_tag:
+    tag: /v[0-9]+(\.[0-9]+)*/
+    owner: carlpett
+    commands:
+      - promu crossbuild tarballs
+      - promu release .tarballs
+      - mkdir $CIRCLE_ARTIFACTS/releases/ && cp -a .tarballs/* $CIRCLE_ARTIFACTS/releases/