build: fix lint issues

.golangci.yml

@@ -23,7 +23,6 @@ linters:
     - goimports
     - goprintffuncname
     - gosec
-    - ifshort
     - misspell
     - prealloc
     - revive

bubbletea/tea_unix.go

@@ -60,7 +60,7 @@ func newRenderer(s ssh.Session) *lipgloss.Renderer {
 	return r
 }
 
-// copied from x/exp/term
+// copied from x/exp/term.
 func queryBackgroundColor(s ssh.Session) (bg color.Color) {
 	_ = term.QueryTerminal(s, s, func(events []input.Event) bool {
 		for _, e := range events {

options.go

@@ -55,7 +55,7 @@ func WithBannerHandler(h ssh.BannerHandler) ssh.Option {
 // Notice that middlewares are composed from first to last, which means the last one is executed first.
 func WithMiddleware(mw ...Middleware) ssh.Option {
 	return func(s *ssh.Server) error {
-		h := func(s ssh.Session) {}
+		h := func(ssh.Session) {}
 		for _, m := range mw {
 			h = m(h)
 		}

scp/copy_from_client.go

@@ -100,7 +100,7 @@ func copyFromClient(s ssh.Session, info Info, handler CopyFromClientHandler) err
 			}
 
 			// read the trailing nil char
-			_, _ = r.ReadByte() // TODO: check if it is indeed a NULL?
+			_, _ = r.ReadByte()
 
 			mtime = 0
 			atime = 0