Cirrus: Add check for make varlink_api_generate

Signed-off-by: Chris Evich <cevich@redhat.com>

.cirrus.yml

@@ -176,6 +176,34 @@ vendor_task:
         failed_master_script: '$CIRRUS_WORKING_DIR/$SCRIPT_BASE/notice_master_failure.sh |& ${TIMESTAMP}'
 
 
+# This task runs `make varlink_api_generate` followed by ./hack/tree_status.sh to check
+# whether the git tree is clean.
+varlink_api_task:
+
+    depends_on:
+        - "gating"
+
+    env:
+        CIRRUS_WORKING_DIR: "/usr/src/libpod"
+        # Used by tree_status.sh
+        SUGGESTION: 'remove API.md, then "make varlink_api_generate" and commit changes.'
+
+    # Runs within Cirrus's "community cluster"
+    container:
+        image: "quay.io/libpod/gate:latest"
+        cpu: 4
+        memory: 12
+
+    timeout_in: 10m
+
+    vendor_script:
+        - '/usr/local/bin/entrypoint.sh varlink_api_generate'
+        - 'cd /go/src/github.com/containers/libpod && ./hack/tree_status.sh'
+
+    on_failure:
+        failed_master_script: '$CIRRUS_WORKING_DIR/$SCRIPT_BASE/notice_master_failure.sh'
+
+
 build_each_commit_task:
 
     depends_on:

hack/tree_status.sh

@@ -1,12 +1,14 @@
 #!/bin/bash
 set -e
 
+SUGGESTION="${SUGGESTION:-sync the vendor.conf and commit all changes.}"
+
 STATUS=$(git status --porcelain)
 if [[ -z $STATUS ]]
 then
 	echo "tree is clean"
 else
-	echo "tree is dirty, please commit all changes and sync the vendor.conf"
+	echo "tree is dirty, please $SUGGESTION"
 	echo ""
 	echo "$STATUS"
 	exit 1