Use gofumpt and gofumports (#71)

Author: pellared

.vscode/settings.json

@@ -1,15 +1,12 @@
 {
     // gopls
     "go.useLanguageServer": true,
+    "gopls": {
+        "gofumpt": true,
+    },
     // golangci-lint  
     "go.lintTool": "golangci-lint",
     "go.lintFlags": [
         "--fast"
-    ],
-    // goimports
-    "go.formatTool": "goimports",
-    "go.formatFlags": [
-        "-local",
-        "github.com/golang-templates/seed"
     ]
 }

Makefile

@@ -16,9 +16,9 @@ clean: ## go clean
 .PHONY: install
 install: ## install build tools
 	$(call print-target)
+	go install mvdan.cc/gofumpt/gofumports
 	go install github.com/golangci/golangci-lint/cmd/golangci-lint
 	go install github.com/goreleaser/goreleaser
-	go install golang.org/x/tools/cmd/goimports
 
 .PHONY: generate
 generate: ## go generate
@@ -31,9 +31,9 @@ build: ## go build
 	go build -o /dev/null ./...
 
 .PHONY: fmt
-fmt: ## goimports
+fmt: ## gofumports
 	$(call print-target)
-	goimports -l -w -local github.com/golang-templates/seed . || true
+	gofumports -l -w -local github.com/golang-templates/seed . || true
 
 .PHONY: lint
 lint: ## golangci-lint

README.md

@@ -16,6 +16,7 @@ It includes:
 - continous integration via [GitHub Actions](https://github.com/features/actions),
 - build automation via [Make](https://www.gnu.org/software/make),
 - dependency management using [Go Modules](https://github.com/golang/go/wiki/Modules),
+- code formatting using [gofumpt](https://github.com/mvdan/gofumpt),
 - linting with [golangci-lint](https://github.com/golangci/golangci-lint),
 - unit testing with [race detector](https://blog.golang.org/race-detector) and [code covarage HTML report](https://blog.golang.org/cover),
 - releasing using [GoReleaser](https://github.com/goreleaser/goreleaser),

go.mod

@@ -5,5 +5,5 @@ go 1.15
 require (
 	github.com/golangci/golangci-lint v1.31.0
 	github.com/goreleaser/goreleaser v0.144.0
-	golang.org/x/tools v0.0.0-20200918232735-d647fc253266
+	mvdan.cc/gofumpt v0.0.0-20200709182408-4fd085cb6d5f
 )

go.sum

@@ -565,6 +565,7 @@ github.com/quasilyte/regex/syntax v0.0.0-20200407221936-30656e2c4a95/go.mod h1:r
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.1.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/rogpeppe/go-internal v1.6.0 h1:IZRgg4sfrDH7nsAD1Y/Nwj+GzIfEwpJSLjCaNC3SbsI=
 github.com/rogpeppe/go-internal v1.6.0/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ryancurrah/gomodguard v1.1.0 h1:DWbye9KyMgytn8uYpuHkwf0RHqAYO6Ay/D0TbCpPtVU=
@@ -687,7 +688,6 @@ github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.opencensus.io v0.15.0/go.mod h1:UffZAU+4sDEINUGP/B7UfBBkq4fqLu9zXAX7ke6CHW0=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
@@ -786,8 +786,6 @@ golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381 h1:VXak5I6aEWmAXeQjA+QSZzlgNrpq9mjcfDemuexIKsU=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181106182150-f42d05182288/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -928,9 +926,8 @@ golang.org/x/tools v0.0.0-20200626171337-aa94e735be7f/go.mod h1:EkVYQZoAsY45+roY
 golang.org/x/tools v0.0.0-20200701041122-1837592efa10/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200724022722-7017fd6b1305 h1:yaM5S0KcY0lIoZo7Fl+oi91b/DdlU2zuWpfHrpWbCS0=
 golang.org/x/tools v0.0.0-20200724022722-7017fd6b1305/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200812195022-5ae4c3c160a0 h1:SQvH+DjrwqD1hyyQU+K7JegHz1KEZgEwt17p9d6R2eg=
 golang.org/x/tools v0.0.0-20200812195022-5ae4c3c160a0/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
-golang.org/x/tools v0.0.0-20200918232735-d647fc253266 h1:k7tVuG0g1JwmD3Jh8oAl1vQ1C3jb4Hi/dUl1wWDBJpQ=
-golang.org/x/tools v0.0.0-20200918232735-d647fc253266/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
@@ -1021,6 +1018,7 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0 h1:0vLT13EuvQ0hNvakwLuFZ/jYrLp5F3kcWHXdRggjCE8=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=

tools.go

@@ -9,5 +9,5 @@ package tools
 import (
 	_ "github.com/golangci/golangci-lint/cmd/golangci-lint"
 	_ "github.com/goreleaser/goreleaser"
-	_ "golang.org/x/tools/cmd/goimports"
+	_ "mvdan.cc/gofumpt/gofumports"
 )