Add lint to CI and pre-commit

.github/workflows/go.yml

@@ -0,0 +1,53 @@
+name: Go
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        go-version: [1.18]
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Go ${{ matrix.go-version }}
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Install goimports
+        run: |
+          go install golang.org/x/tools/cmd/goimports@latest
+          export PATH="$HOME/go/bin:$PATH"
+
+      - name: Install pre-commit
+        run: pip install pre-commit
+
+      - name: Lint
+        run: pre-commit run -a
+
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        go-version: [1.17, 1.18]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Go ${{ matrix.go-version }}
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Install libolm
+        run: sudo apt-get install libolm-dev libolm3
+
+      - name: Build
+        run: go build -v ./...
+
+      - name: Test
+        run: go test -v ./...

.pre-commit-config.yaml

@@ -0,0 +1,14 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.1.0
+    hooks:
+      - id: trailing-whitespace
+        exclude_types: [markdown]
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+
+  - repo: https://github.com/tekwizely/pre-commit-golang
+    rev: v1.0.0-beta.5
+    hooks:
+      - id: go-imports-repo

lib/ansimage/LICENSE

@@ -35,7 +35,7 @@ Mozilla Public License Version 2.0
     means any form of the work other than Source Code Form.
 
 1.7. "Larger Work"
-    means a work that combines Covered Software with other material, in 
+    means a work that combines Covered Software with other material, in
     a separate file or files, that is not Covered Software.
 
 1.8. "License"

matrix/matrix.go

@@ -840,7 +840,7 @@ func (c *Container) MarkRead(roomID id.RoomID, eventID id.EventID) {
 		defer debug.Recover()
 		err := c.client.MarkRead(roomID, eventID)
 		if err != nil {
-			debug.Print("Failed to mark %s in %s as read: %v", eventID, roomID, err)
+			debug.Printf("Failed to mark %s in %s as read: %v", eventID, roomID, err)
 		}
 	}()
 }

ui/autocomplete.go

@@ -60,7 +60,7 @@ func autocompleteFile(cmd *CommandAutocomplete) (completions []string, newText s
 func autocompleteToggle(cmd *CommandAutocomplete) (completions []string, newText string) {
 	completions = make([]string, 0, len(toggleMsg))
 	for k := range toggleMsg {
-		if (strings.HasPrefix(k, cmd.RawArgs)) {
+		if strings.HasPrefix(k, cmd.RawArgs) {
 			completions = append(completions, k)
 		}
 	}