Use official slack/slack-go library (runatlantis#2669)

* Use slack-go

* rm'ed a couple tests due open issue in pegomock

go.mod

@@ -29,11 +29,11 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/moby/moby v20.10.21+incompatible
 	github.com/mohae/deepcopy v0.0.0-20170603005431-491d3605edfb
-	github.com/nlopes/slack v0.4.0
 	github.com/petergtz/pegomock v2.9.0+incompatible
 	github.com/pkg/errors v0.9.1
 	github.com/remeh/sizedwaitgroup v1.0.0
 	github.com/shurcooL/githubv4 v0.0.0-20191127044304-8f68eb5628d0
+	github.com/slack-go/slack v0.11.4
 	github.com/spf13/cobra v0.0.0-20170905172051-b78744579491
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.13.0
@@ -43,73 +43,98 @@ require (
 	github.com/xanzy/go-gitlab v0.69.0
 	go.etcd.io/bbolt v1.3.6
 	go.uber.org/zap v1.23.0
-	golang.org/x/sync v0.0.0-20220513210516-0976fa681c29
+	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
 	gopkg.in/go-playground/validator.v9 v9.31.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
+require (
+	github.com/agext/levenshtein v1.2.3 // indirect
+	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
+	github.com/aws/aws-sdk-go v1.34.0 // indirect
+	github.com/go-playground/locales v0.12.1 // indirect
+	github.com/go-playground/universal-translator v0.16.0 // indirect
+	github.com/hashicorp/hcl/v2 v2.14.1
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/leodido/go-urn v1.2.0 // indirect
+	github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f // indirect
+	github.com/sirupsen/logrus v1.8.1 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
+)
+
+require (
+	github.com/cactus/go-statsd-client/statsd v0.0.0-20200623234511-94959e3146b2
+	github.com/twmb/murmur3 v1.1.6 // indirect
+	github.com/uber-go/tally v3.4.3+incompatible
+)
+
 require (
 	cloud.google.com/go v0.100.2 // indirect
+	cloud.google.com/go/compute v1.6.1 // indirect
+	cloud.google.com/go/iam v0.3.0 // indirect
 	cloud.google.com/go/storage v1.14.0 // indirect
 	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/semver/v3 v3.1.1 // indirect
-	github.com/agext/levenshtein v1.2.3 // indirect
-	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
-	github.com/aws/aws-sdk-go v1.34.0 // indirect
+	github.com/alicebob/gopher-json v0.0.0-20200520072559-a9ecdc9d1d3a // indirect
+	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
 	github.com/aymerick/douceur v0.2.0 // indirect
 	github.com/benbjohnson/clock v1.1.0 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/fatih/color v1.13.0 // indirect
 	github.com/fsnotify/fsnotify v1.5.4 // indirect
-	github.com/go-playground/locales v0.12.1 // indirect
-	github.com/go-playground/universal-translator v0.16.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/go-cmp v0.5.8 // indirect
+	github.com/google/go-github/v45 v45.2.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/googleapis/gax-go/v2 v2.4.0 // indirect
 	github.com/gorilla/css v1.0.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.1 // indirect
 	github.com/hashicorp/go-safetemp v1.0.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/hashicorp/hcl/v2 v2.14.1
 	github.com/huandu/xstrings v1.3.1 // indirect
 	github.com/imdario/mergo v0.3.11 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/klauspost/compress v1.11.2 // indirect
-	github.com/leodido/go-urn v1.2.0 // indirect
-	github.com/lusis/slack-test v0.0.0-20190426140909-c40012f20018 // indirect
+	github.com/m3db/prometheus_client_golang v0.8.1 // indirect
+	github.com/m3db/prometheus_client_model v0.1.0 // indirect
+	github.com/m3db/prometheus_common v0.1.0 // indirect
+	github.com/m3db/prometheus_procfs v0.8.1 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/mitchellh/copystructure v1.0.0 // indirect
 	github.com/mitchellh/go-testing-interface v1.0.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.0 // indirect
 	github.com/onsi/gomega v1.21.1 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.5 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.0.1 // indirect
 	github.com/shopspring/decimal v1.2.0 // indirect
-	github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f // indirect
 	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
-	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/spf13/afero v1.8.2 // indirect
 	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/subosito/gotenv v1.4.1 // indirect
 	github.com/ulikunitz/xz v0.5.8 // indirect
+	github.com/yuin/gopher-lua v0.0.0-20210529063254-f4c35e4016d9 // indirect
 	github.com/zclconf/go-cty v1.8.0 // indirect
 	go.opencensus.io v0.23.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
 	golang.org/x/crypto v0.0.0-20220517005047-85d78b3ac167 // indirect
 	golang.org/x/net v0.0.0-20221002022538-bcab6841153b // indirect
+	golang.org/x/oauth2 v0.0.0-20220411215720-9780585627b5 // indirect
 	golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20220411224347-583f2d630306 // indirect
@@ -120,33 +145,7 @@ require (
 	google.golang.org/grpc v1.46.2 // indirect
 	google.golang.org/protobuf v1.28.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
-	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-)
-
-require (
-	github.com/cactus/go-statsd-client/statsd v0.0.0-20200623234511-94959e3146b2
-	github.com/twmb/murmur3 v1.1.6 // indirect
-	github.com/uber-go/tally v3.4.3+incompatible
-)
-
-require (
-	cloud.google.com/go/compute v1.6.1 // indirect
-	cloud.google.com/go/iam v0.3.0 // indirect
-	github.com/alicebob/gopher-json v0.0.0-20200520072559-a9ecdc9d1d3a // indirect
-	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
-	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
-	github.com/google/go-github/v45 v45.2.0 // indirect
-	github.com/m3db/prometheus_client_golang v0.8.1 // indirect
-	github.com/m3db/prometheus_client_model v0.1.0 // indirect
-	github.com/m3db/prometheus_common v0.1.0 // indirect
-	github.com/m3db/prometheus_procfs v0.8.1 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.5 // indirect
-	github.com/yuin/gopher-lua v0.0.0-20210529063254-f4c35e4016d9 // indirect
-	golang.org/x/oauth2 v0.0.0-20220411215720-9780585627b5 // indirect
 	gotest.tools/v3 v3.3.0 // indirect
 )

go.sum

@@ -174,6 +174,7 @@ github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LB
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/go-test/deep v1.0.3/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
+github.com/go-test/deep v1.0.4/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
 github.com/go-test/deep v1.0.8 h1:TDsG77qcSprGbC6vTN8OuXp5g+J+b5Pcguhf7Zt61VM=
 github.com/go-test/deep v1.0.8/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
@@ -281,6 +282,7 @@ github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
 github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
 github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
@@ -330,8 +332,6 @@ github.com/hashicorp/mdns v1.0.4/go.mod h1:mtBihi+LeNXGtG8L9dX59gAEa12BDtBQSp4v/
 github.com/hashicorp/memberlist v0.3.0/go.mod h1:MS2lj3INKhZjWNqd3N0m3J+Jxf3DAOnAH9VT3Sh9MUE=
 github.com/hashicorp/serf v0.9.6/go.mod h1:TXZNMjZQijwlDvp+r0b63xZ45H7JmCmgg4gpTwn9UV4=
 github.com/hashicorp/serf v0.9.7/go.mod h1:TXZNMjZQijwlDvp+r0b63xZ45H7JmCmgg4gpTwn9UV4=
-github.com/hashicorp/terraform-config-inspect v0.0.0-20200806211835-c481b8bfa41e h1:wIsEsIITggCC4FTO9PisDjy561UU7OPL6uTu7tnkHH8=
-github.com/hashicorp/terraform-config-inspect v0.0.0-20200806211835-c481b8bfa41e/go.mod h1:Z0Nnk4+3Cy89smEbrq+sl1bxc9198gIP4I7wcQF6Kqs=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20221012204812-413b69327090 h1:UnVTr6jkguxyA4OfL9kJOoe4hoWyicC+LRiS4e3EJl0=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20221012204812-413b69327090/go.mod h1:Z0Nnk4+3Cy89smEbrq+sl1bxc9198gIP4I7wcQF6Kqs=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
@@ -380,8 +380,6 @@ github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
-github.com/lusis/slack-test v0.0.0-20190426140909-c40012f20018 h1:MNApn+Z+fIT4NPZopPfCc1obT6aY3SVM6DOctz1A9ZU=
-github.com/lusis/slack-test v0.0.0-20190426140909-c40012f20018/go.mod h1:sFlOUpQL1YcjhFVXhg1CG8ZASEs/Mf1oVb6H75JL/zg=
 github.com/m3db/prometheus_client_golang v0.8.1 h1:t7w/tcFws81JL1j5sqmpqcOyQOpH4RDOmIe3A3fdN3w=
 github.com/m3db/prometheus_client_golang v0.8.1/go.mod h1:8R/f1xYhXWq59KD/mbRqoBulXejss7vYtYzWmruNUwI=
 github.com/m3db/prometheus_client_model v0.1.0 h1:cg1+DiuyT6x8h9voibtarkH1KT6CmsewBSaBhe8wzLo=
@@ -446,8 +444,6 @@ github.com/mohae/deepcopy v0.0.0-20170603005431-491d3605edfb h1:e+l77LJOEqXTIQih
 github.com/mohae/deepcopy v0.0.0-20170603005431-491d3605edfb/go.mod h1:TaXosZuwdSHYgviHp1DAtfrULt5eUgsSMsZf+YrPgl8=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/nlopes/slack v0.4.0 h1:OVnHm7lv5gGT5gkcHsZAyw++oHVFihbjWbL3UceUpiA=
-github.com/nlopes/slack v0.4.0/go.mod h1:jVI4BBK3lSktibKahxBF74txcK2vyvkza1z/+rRnVAM=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
 github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
@@ -528,6 +524,8 @@ github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6Mwd
 github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
+github.com/slack-go/slack v0.11.4 h1:ojSa7KlPm3PqY2AomX4VTxEsK5eci5JaxCjlzGV5zoM=
+github.com/slack-go/slack v0.11.4/go.mod h1:hlGi5oXA+Gt+yWTPP0plCdRKmjsDxecdHxYQdlMQKOw=
 github.com/spf13/afero v1.8.2 h1:xehSyVa0YnHWsJ49JFljMpg1HX19V6NDZ1fkm1Xznbo=
 github.com/spf13/afero v1.8.2/go.mod h1:CtAatgMJh6bJEIs48Ay/FOnkljP3WeGUG0MC1RfAqwo=
 github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@@ -754,7 +752,6 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220513210516-0976fa681c29 h1:w8s32wxx3sY+OjLlv9qltkLU5yvJzxjjgiHWLjdIcw4=
 golang.org/x/sync v0.0.0-20220513210516-0976fa681c29/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 h1:uVc8UZUe6tr40fFVnUP5Oj+veunVezqYl9z7DYw9xzw=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=