Update CI and linter (#146)

.github/workflows/go.yml

@@ -9,11 +9,11 @@ jobs:
     name: golangci-lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
         with:
-          go-version: '1.20'
-      - uses: actions/checkout@v3
-      - uses: golangci/golangci-lint-action@v3
+          go-version: stable
+      - uses: golangci/golangci-lint-action@v4
 
   tests:
     # run after golangci-lint action to not produce duplicated errors
@@ -22,40 +22,34 @@ jobs:
     strategy:
       matrix:
         go:
-          - '1.20'
+          - oldstable
+          - stable
         os:
           - ubuntu-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - name: Install Go
-        uses: actions/setup-go@v3
-        with:
-          go-version: ${{ matrix.go }}
-
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
-      - name: Setup cache
-        uses: actions/cache@v3
+      - name: Install Go
+        uses: actions/setup-go@v5
         with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: ${{ runner.os }}-go-
+          go-version: ${{ matrix.go }}
 
       - name: Test code
         run: go test -race -v ./...
 
   coverage:
     runs-on: ubuntu-latest
     steps:
-      - name: Install Go
+      - name: Checkout code
         if: success()
-        uses: actions/setup-go@v3
-        with:
-          go-version: '1.20'
+        uses: actions/checkout@v4
 
-      - name: Checkout code
-        uses: actions/checkout@v3
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: stable
 
       - name: Calc coverage
         run: |

.gitignore

@@ -68,3 +68,5 @@ tags
 
 
 # End of https://www.gitignore.io/api/go,vim,macos
+
+.idea/

.golangci.yml

@@ -1,24 +1,25 @@
 ---
 run:
-  deadline: 1m
+  timeout: 1m
   issues-exit-code: 1
   tests: true
-  skip-dirs:
-    - vendor$
 
 output:
-  format: colored-line-number
   print-issued-lines: false
+  sort-results: true
+  formats:
+    - format: colored-line-number
 
 linters-settings:
   gocognit:
     min-complexity: 10
 
   depguard:
-    list-type: blacklist
-    include-go-root: false
-    packages:
-      - github.com/davecgh/go-spew/spew
+    rules:
+      main:
+        deny:
+          - pkg: "github.com/davecgh/go-spew/spew"
+            desc: not allowed
 
   misspell:
     locale: US
@@ -70,8 +71,6 @@ linters:
     - varcheck
     - varnamelen
     - wastedassign
-  fast: false
-
 
 issues:
   exclude-use-default: true