Support go1.13

Setup Travis CI to run on go 1.12 and 1.13.
Update info about go versions in README.
Rebuild go.mod,go.sum on go1.13.

Author: jirfag

.golangci.yml

@@ -48,10 +48,9 @@ linters:
   enable:
     - bodyclose
     - deadcode
-    - depguard
     - dupl
     - errcheck
-    - funlen
+    # - funlen - TODO: enable it when golangci.com will support it.
     - gochecknoinits
     - goconst
     - gocritic
@@ -77,6 +76,11 @@ linters:
     - unused
     - varcheck
 
+  # don't enable:
+  # - depguard - until https://github.com/OpenPeeDeeP/depguard/issues/7 gets fixed
+  # - maligned,prealloc
+  # - gochecknoglobals
+
 run:
   skip-dirs:
     - test/testdata_etc

.travis.yml

@@ -1,7 +1,7 @@
 language: go
 go:
-  - 1.11.x
   - 1.12.x
+  - 1.13.x
 
 env:
   global:

Makefile

@@ -40,6 +40,7 @@ maintainer-clean: clean
 check_generated:
 	$(MAKE) --always-make generate
 	git checkout -- go.mod go.sum # can differ between go1.11 and go1.12
+	git checkout -- vendor/modules.txt # can differ between go1.12 and go1.13
 	git diff --exit-code # check no changes
 .PHONY: check_generated
 

README.md

@@ -52,8 +52,9 @@ use `--enable-all` and a new linter is added or even without `--enable-all`: whe
 It's highly recommended to install a fixed version of golangci-lint.
 Releases are available on the [releases page](https://github.com/golangci/golangci-lint/releases).
 
-The recommended way to install golangci-lint (replace `vX.Y.Z` with the latest
-version from the [releases page](https://github.com/golangci/golangci-lint/releases)):
+Latest version: ![GitHub release](https://img.shields.io/github/release/golangci/golangci-lint.svg)
+
+Here is the recommended way to install golangci-lint (replace `vX.Y.Z` with the latest version):
 
 ```bash
 # binary will be $(go env GOPATH)/bin/golangci-lint
@@ -868,10 +869,9 @@ linters:
   enable:
     - bodyclose
     - deadcode
-    - depguard
     - dupl
     - errcheck
-    - funlen
+    # - funlen - TODO: enable it when golangci.com will support it.
     - gochecknoinits
     - goconst
     - gocritic
@@ -897,6 +897,11 @@ linters:
     - unused
     - varcheck
 
+  # don't enable:
+  # - depguard - until https://github.com/OpenPeeDeeP/depguard/issues/7 gets fixed
+  # - maligned,prealloc
+  # - gochecknoglobals
+
 run:
   skip-dirs:
     - test/testdata_etc
@@ -991,13 +996,15 @@ We don't recommend vendoring `golangci-lint` in your repo: you will get troubles
 No, you don't need to do it anymore.
 
 **Which go versions are supported**
-Short answer: go 1.11 and newer are oficially supported.
+Short answer: go 1.12 and newer are oficially supported.
 
 Long answer:
+
 1. go < 1.9 isn't supported
-2. go 1.9 is supported by golangci-lint <= v1.10.2
-3. go 1.10 is officially supported by golangci-lint <= 1.15.0.
-4. go1.11 and go1.12 are officially supported by the latest version of golangci-lint.
+2. go1.9 is officially supported by golangci-lint <= v1.10.2
+3. go1.10 is officially supported by golangci-lint <= 1.15.0.
+4. go1.11 is officially supported by golangci-lint <= 1.17.1.
+5. go1.12 and go1.13 are officially supported by the latest version of golangci-lint (>= 1.18.0).
 
 **`golangci-lint` doesn't work**
 

README.tmpl.md

@@ -52,8 +52,9 @@ use `--enable-all` and a new linter is added or even without `--enable-all`: whe
 It's highly recommended to install a fixed version of golangci-lint.
 Releases are available on the [releases page](https://github.com/golangci/golangci-lint/releases).
 
-The recommended way to install golangci-lint (replace `vX.Y.Z` with the latest
-version from the [releases page](https://github.com/golangci/golangci-lint/releases)):
+Latest version: ![GitHub release](https://img.shields.io/github/release/golangci/golangci-lint.svg)
+
+Here is the recommended way to install golangci-lint (replace `vX.Y.Z` with the latest version):
 
 ```bash
 # binary will be $(go env GOPATH)/bin/golangci-lint
@@ -501,13 +502,15 @@ We don't recommend vendoring `golangci-lint` in your repo: you will get troubles
 No, you don't need to do it anymore.
 
 **Which go versions are supported**
-Short answer: go 1.11 and newer are oficially supported.
+Short answer: go 1.12 and newer are oficially supported.
 
 Long answer:
+
 1. go < 1.9 isn't supported
-2. go 1.9 is supported by golangci-lint <= v1.10.2
-3. go 1.10 is officially supported by golangci-lint <= 1.15.0.
-4. go1.11 and go1.12 are officially supported by the latest version of golangci-lint.
+2. go1.9 is officially supported by golangci-lint <= v1.10.2
+3. go1.10 is officially supported by golangci-lint <= 1.15.0.
+4. go1.11 is officially supported by golangci-lint <= 1.17.1.
+5. go1.12 and go1.13 are officially supported by the latest version of golangci-lint (>= 1.18.0).
 
 **`golangci-lint` doesn't work**
 

go.sum

@@ -45,8 +45,6 @@ github.com/golang/mock v1.0.0 h1:HzcpUG60pfl43n9d2qbdi/3l1uKpAmxlfWEPWtV/QxM=
 github.com/golang/mock v1.0.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golangci/bodyclose v0.0.0-20190714144026-65da19158fa2 h1:nh/PMhIaxu+h8NOuhOwT2el9Ed08166oitASyNYqQzs=
-github.com/golangci/bodyclose v0.0.0-20190714144026-65da19158fa2/go.mod h1:Qimiffbc6q9tBWlVV6x0P9sat/ao1xEkREYPPj9hphk=
 github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2 h1:23T5iq8rbUYlhpt5DB4XJkc6BU31uODLD1o1gKvZmD0=
 github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2/go.mod h1:k9Qvh+8juN+UKMCS/3jFtGICgW8O96FVaZsaxdzDkR4=
 github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a h1:w8hkcTqaFpzKqonE9uMCefW1WDie15eSP/4MssdenaM=
@@ -162,10 +160,10 @@ github.com/spf13/viper v1.0.2 h1:Ncr3ZIuJn322w2k1qmzXDnkLAdQMlJqBa9kfAH+irso=
 github.com/spf13/viper v1.0.2/go.mod h1:A8kyI5cUJhb8N+3pkfONlcEcZbueH6nhAm0Fq7SrnBM=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/ultraware/funlen v0.0.1 h1:UeC9tpM4wNWzUJfan8z9sFE4QCzjjzlCZmuJN+aOkH0=
-github.com/ultraware/funlen v0.0.1/go.mod h1:Dp4UiAus7Wdb9KUZsYWZEWiRzGuM2kXM1lPbfaF6xhA=
 github.com/timakin/bodyclose v0.0.0-00010101000000-87058b9bfcec h1:Ha5Eixh5Dgi14hDFFWsxoB/jR95rHjB1biKdK9VKkbQ=
 github.com/timakin/bodyclose v0.0.0-00010101000000-87058b9bfcec/go.mod h1:Qimiffbc6q9tBWlVV6x0P9sat/ao1xEkREYPPj9hphk=
+github.com/ultraware/funlen v0.0.1 h1:UeC9tpM4wNWzUJfan8z9sFE4QCzjjzlCZmuJN+aOkH0=
+github.com/ultraware/funlen v0.0.1/go.mod h1:Dp4UiAus7Wdb9KUZsYWZEWiRzGuM2kXM1lPbfaF6xhA=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasthttp v1.2.0/go.mod h1:4vX61m6KN+xDduDNwXrhIAVZaZaZiQ1luJk8LWSxF3s=
@@ -178,9 +176,6 @@ golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/net v0.0.0-20170915142106-8351a756f30f/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180911220305-26e67e76b6c3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190313220215-9f648a60d977 h1:actzWV6iWn3GLqN8dZjzsB+CLt+gaV2+wsxroxiQI8I=
-golang.org/x/net v0.0.0-20190313220215-9f648a60d977/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=