Preallocate arrays where the new linter version would warn about it

pkg/commands/patch/hunk.go

@@ -44,7 +44,8 @@ func (self *Hunk) lineCount() int {
 
 // Returns all lines in the hunk, including the header line
 func (self *Hunk) allLines() []*PatchLine {
-	lines := []*PatchLine{{Content: self.formatHeaderLine(), Kind: HUNK_HEADER}}
+	lines := make([]*PatchLine, 1, 1+len(self.bodyLines))
+	lines[0] = &PatchLine{Content: self.formatHeaderLine(), Kind: HUNK_HEADER}
 	lines = append(lines, self.bodyLines...)
 	return lines
 }

pkg/gui/context/base_context.go

@@ -119,7 +119,7 @@ func (self *BaseContext) GetKey() types.ContextKey {
 }
 
 func (self *BaseContext) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
-	bindings := []*types.Binding{}
+	bindings := make([]*types.Binding, 0, len(self.keybindingsFns))
 	for i := range self.keybindingsFns {
 		// the first binding in the bindings array takes precedence but we want the
 		// last keybindingsFn to take precedence to we add them in reverse
@@ -216,7 +216,7 @@ func (self *BaseContext) AddOnQuitFn(fn func()) {
 }
 
 func (self *BaseContext) GetMouseKeybindings(opts types.KeybindingsOpts) []*gocui.ViewMouseBinding {
-	bindings := []*gocui.ViewMouseBinding{}
+	bindings := make([]*gocui.ViewMouseBinding, 0, len(self.mouseKeybindingsFns))
 	for i := range self.mouseKeybindingsFns {
 		// the first binding in the bindings array takes precedence but we want the
 		// last keybindingsFn to take precedence to we add them in reverse

pkg/gui/keybindings.go

@@ -295,8 +295,9 @@ func (gui *Gui) GetInitialKeybindings() ([]*types.Binding, []*gocui.ViewMouseBin
 		},
 	}
 
-	mouseKeybindings := []*gocui.ViewMouseBinding{}
-	for _, c := range gui.State.Contexts.Flatten() {
+	contexts := gui.State.Contexts.Flatten()
+	mouseKeybindings := make([]*gocui.ViewMouseBinding, 0, len(contexts))
+	for _, c := range contexts {
 		viewName := c.GetViewName()
 		for _, binding := range c.GetKeybindings(opts) {
 			// TODO: move all mouse keybindings into the mouse keybindings approach below

pkg/integration/components/runner.go

@@ -256,14 +256,15 @@ func getLazygitCommand(
 		return nil, err
 	}
 
-	cmdArgs := []string{tempLazygitPath(), "-debug", "--use-config-dir=" + paths.Config()}
-
 	resolvedExtraArgs := lo.Map(test.ExtraCmdArgs(), func(arg string, _ int) string {
 		return utils.ResolvePlaceholderString(arg, map[string]string{
 			"actualPath":     paths.Actual(),
 			"actualRepoPath": paths.ActualRepo(),
 		})
 	})
+
+	cmdArgs := make([]string, 0, 3+len(resolvedExtraArgs))
+	cmdArgs = append(cmdArgs, tempLazygitPath(), "-debug", "--use-config-dir="+paths.Config())
 	cmdArgs = append(cmdArgs, resolvedExtraArgs...)
 
 	// Use a limited environment for test isolation, including pass through