Use CircleCI

Squashed commit of the following:

commit 5f63ff0
Author: Dale Hui <[email protected]>
Date:   Mon Jan 25 20:36:57 2021 -0800

    Remove unnecessary parameter to checkout

commit b877110
Author: Dale Hui <[email protected]>
Date:   Mon Jan 25 20:30:37 2021 -0800

    Give up trying to only push coverage for Go 1.15 via YAML templates

commit 6f366c3
Author: Dale Hui <[email protected]>
Date:   Mon Jan 25 20:27:20 2021 -0800

    YAML template merging only works with maps, not scalars, so specify the current directory for "checkout"

commit e65ff96
Author: Dale Hui <[email protected]>
Date:   Mon Jan 25 20:21:30 2021 -0800

    Use `go get` instead of `go install` and add template for steps

commit fef2a9e
Author: Dale Hui <[email protected]>
Date:   Mon Jan 25 19:59:24 2021 -0800

    Push code coverage to coveralls.io
        - Only push code coverage for latest support version of Go

commit 48d78bb
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 22:24:13 2020 -0800

    golangci-lint runs slowly on circle ci machines...

commit d47e04f
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 22:20:35 2020 -0800

    Cleanup setup and remove debugging commands

commit 063337f
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 22:17:57 2020 -0800

    try using ~/bin

commit 57f34fb
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 22:13:55 2020 -0800

    Install golangci-lint in another dir

commit 2b5d6d6
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 22:03:08 2020 -0800

    More go env debugging

commit 6719f66
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:59:24 2020 -0800

    Sparate downloading and running of golangci-lint.sh

commit 6e9ec9f
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:54:44 2020 -0800

    debug gimme env

commit 706a43c
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:47:01 2020 -0800

    debug go env

commit 18694c6
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:39:53 2020 -0800

    Use .x version of Go

commit 2e4a87b
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:36:01 2020 -0800

    correctly use gimme

commit 99a1b83
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:31:45 2020 -0800

    Install golangci-lint after installing requested version of Go

commit cecf219
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:29:48 2020 -0800

    Still don't support docker layer caching

commit 244ec8f
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:28:33 2020 -0800

    Try using machine executor

commit 44d3b29
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:07:09 2020 -0800

    Fix docker run

commit 525983e
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 21:03:39 2020 -0800

    properly specify build-arg

commit d5eed20
Author: Dale Hui <[email protected]>
Date:   Tue Dec 22 20:54:06 2020 -0800

    Try running CircleCI tests in a Docker container

commit 35e62d1
Merge: 90268de a53e6fc
Author: Dale Hui <[email protected]>
Date:   Mon Dec 21 20:50:58 2020 -0800

    Merge remote-tracking branch 'origin/master' into circleci

commit 90268de
Author: Dale Hui <[email protected]>
Date:   Mon Dec 21 20:47:46 2020 -0800

    Update golangci lint to v1.33.0

commit d5e0747
Author: Dale Hui <[email protected]>
Date:   Mon Dec 21 20:44:45 2020 -0800

    Don't have access to docker layer caching

commit 6aaecb3
Author: Dale Hui <[email protected]>
Date:   Mon Dec 21 20:43:52 2020 -0800

    Don't have access to xlarge

commit 275de10
Author: Dale Hui <[email protected]>
Date:   Mon Dec 21 20:39:14 2020 -0800

    CircleCI job names can't have a '.' character

commit e1d339f
Author: Dale Hui <[email protected]>
Date:   Mon Dec 21 20:30:51 2020 -0800

    Update CircleCI config

commit d651949
Author: Dale Hui <[email protected]>
Date:   Fri Aug 2 00:05:59 2019 -0700

    Add config for CircleCI

commit 19d7355
Author: Dale Hui <[email protected]>
Date:   Tue Jul 30 00:12:41 2019 -0700

    Update golangci-lint from v1.16.0 to v1.17.1

Author: dhui

Diff for: .circleci/config.yml

@@ -0,0 +1,56 @@
+# Golang CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-go/ for more details
+version: 2.1
+
+jobs:
+  "golang-1_14": &template
+    machine:
+      # https://circleci.com/docs/2.0/configuration-reference/#available-machine-images
+      image: ubuntu-2004:202010-01
+      # docker_layer_caching: true
+
+    # https://circleci.com/docs/2.0/configuration-reference/#resource_class
+    resource_class: medium
+
+    # Leave working directory unspecified and use defaults:
+    # https://circleci.com/blog/go-v1.11-modules-and-circleci/
+    # working_directory: /go/src/github.com/golang-migrate/migrate
+
+    environment:
+      GO111MODULE: "on"
+      GO_VERSION: "1.14.x"
+
+    steps:
+      # - setup_remote_docker:
+      #    version: 19.03.13
+          # docker_layer_caching: true
+      - restore_cache:
+          keys:
+            - go-mod-v1-{{ arch }}-{{ .Branch }}-{{ checksum "go.sum" }}
+      - run: curl -sL -o ~/bin/gimme https://raw.githubusercontent.com/travis-ci/gimme/master/gimme
+      - run: curl -sfL -o ~/bin/golangci-lint.sh https://install.goreleaser.com/github.com/golangci/golangci-lint.sh
+      - run: chmod +x ~/bin/gimme ~/bin/golangci-lint.sh
+      - run: eval "$(gimme $GO_VERSION)"
+      - run: golangci-lint.sh -b ~/bin v1.33.0
+      - checkout
+      - run: golangci-lint run
+      - run: make test COVERAGE_DIR=/tmp/coverage
+      - save_cache:
+          key: go-mod-v1-{{ arch }}-{{ .Branch }}-{{ checksum "go.sum" }}
+          paths:
+            - "/go/pkg/mod"
+      - run: go get github.com/mattn/goveralls
+      - run: goveralls -service=circle-ci -coverprofile /tmp/coverage/combined.txt
+
+  "golang-1_15":
+    <<: *template
+    environment:
+      GO_VERSION: "1.15.x"
+
+workflows:
+  version: 2
+  build:
+    jobs:
+      - "golang-1_14"
+      - "golang-1_15"

Diff for: .golangci.yml

@@ -1,6 +1,6 @@
 run:
   # timeout for analysis, e.g. 30s, 5m, default is 1m
-  timeout: 2m
+  timeout: 5m
 linters:
   enable:
     #- golint

Diff for: Dockerfile.circleci

@@ -0,0 +1,17 @@
+ARG DOCKER_IMAGE
+FROM $DOCKER_IMAGE
+
+RUN apk add --no-cache git gcc musl-dev make
+
+WORKDIR /go/src/github.com/golang-migrate/migrate
+
+ENV GO111MODULE=on
+ENV COVERAGE_DIR=/tmp/coverage
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . ./
+
+CMD ["make", "test"]