More travis updates

Signed-off-by: Derek Collison <derek@nats.io>

.travis.yml

@@ -2,18 +2,27 @@ language: go
 sudo: false
 go:
 - 1.20.x
-- 1.18.x
+- 1.19.x
 go_import_path: github.com/nats-io/graft
 
 install:
 - go get -t ./...
-- go get github.com/nats-io/nats-server/v2
-- go get github.com/mattn/goveralls
-- go get github.com/wadey/gocovmerge
+- if [[ "$TRAVIS_GO_VERSION" =~ 1.20 ]]; then
+    go install github.com/mattn/goveralls@latest;
+    go install github.com/wadey/gocovmerge@latest;
+    go install honnef.co/go/tools/cmd/staticcheck@latest;
+    go install github.com/client9/misspell/cmd/misspell@latest;
+  fi
+
+before_script:
+- $(exit $(go fmt ./... | wc -l))
+- go vet ./...
+- if [[ "$TRAVIS_GO_VERSION" =~ 1.20 ]]; then
+    find . -type f -name "*.go" | xargs misspell -error -locale US;
+    staticcheck ./...;
+  fi
 
 script:
-  - go fmt ./...
-  - go vet ./...
-  - go test -i -race ./...
-  - go test -v -race ./...
-  - ./scripts/cov.sh TRAVIS
+  - if [[ "$TRAVIS_GO_VERSION" =~ 1.20 ]]; then ./scripts/cov.sh TRAVIS; else go test -race -v -p=1 ./... --failfast -vet=off; fi
+after_success:
+  - if [[ "$TRAVIS_GO_VERSION" =~ 1.20 ]]; then $HOME/gopath/bin/goveralls -coverprofile=acc.out -service travis-ci; fi

scripts/cov.sh

@@ -3,14 +3,13 @@
 
 rm -rf ./cov
 mkdir cov
-go test -v -covermode=count -coverprofile=./cov/graft.out
+go test -v -covermode=atomic -coverprofile=./cov/graft.out
 gocovmerge ./cov/*.out > acc.out
 rm -rf ./cov
 
-# If we have an arg, assume travis run and push to coveralls. Otherwise launch browser results
-if [[ -n $1 ]]; then
-    $HOME/gopath/bin/goveralls -coverprofile=acc.out -service travis-ci
-    rm -rf ./acc.out
-else
+# Without argument, launch browser results. We are going to push to coveralls only
+# from Travis.yml and after success of the build (and result of pushing will not affect
+# build result).
+if [[ $1 == "" ]]; then
     go tool cover -html=acc.out
 fi