fix: regression for #162

fix #170

cmd/commands/env.go

@@ -107,21 +107,16 @@ func envCmd(ctx *cli.Context) error {
 
 		// Takes the complement of previousPaths and sdkPaths, and removes the complement from osPaths.
 		previousPaths := env.NewPaths(env.PreviousPaths)
-		jointCnt := 0
 		for _, pp := range previousPaths.Slice() {
 			if sdkPaths.Contains(pp) {
 				previousPaths.Remove(pp)
-				jointCnt++
 			}
 		}
 		osPaths := env.NewPaths(env.OsPaths)
 		if previousPaths.Len() != 0 {
 			for _, pp := range previousPaths.Slice() {
 				osPaths.Remove(pp)
 			}
-		} else if sdkPaths.Len() == jointCnt {
-			// sdkPaths == previousPaths, No need to set environment variables
-			return nil
 		}
 		// Set the sdk paths to the new previous paths.
 		newPreviousPathStr := sdkPaths.String()