Fix publish.sh ARCH error (#1860)

.travis.yml

@@ -55,31 +55,21 @@ jobs:
   # split builds to avoid job timeouts
   - stage: publish amd64
     if: type = api AND branch = master AND repo = kubernetes/ingress-nginx
-    env:
-    - ARCH=amd64
     script:
-    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh
+    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh amd64
   - stage: publish arm
     if: type = api AND branch = master AND repo = kubernetes/ingress-nginx
-    env:
-    - ARCH=arm
     script:
-    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh
+    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh arm
   - stage: publish arm64
     if: type = api AND branch = master AND repo = kubernetes/ingress-nginx
-    env:
-    - ARCH=arm64
     script:
-    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh
+    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh arm64
   - stage: publish ppc64le
     if: type = api AND branch = master AND repo = kubernetes/ingress-nginx
-    env:
-    - ARCH=ppc64le
     script:
-    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh
+    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh ppc64le
   - stage: publish s390x
     if: type = api AND branch = master AND repo = kubernetes/ingress-nginx
-    env:
-    - ARCH=s390x
     script:
-    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh
+    - travis_wait ${TRAVIS_TIMEOUT} .travis/publish.sh s390x

.travis/publish.sh

@@ -21,6 +21,11 @@ source $DIR/common.sh
 echo "Login to quay.io..."
 docker login --username=$QUAY_USERNAME --password=$QUAY_PASSWORD quay.io >/dev/null 2>&1
 
+if [ $# -eq "1" ]
+then
+    export ARCH=$1
+fi
+
 case "$COMPONENT" in
 "ingress-controller")
     $DIR/ingress-controller.sh