Merge pull request #4365 from adamliesko/fix/cmd/path-parsing-trailing-slash

core: get cmd outPath remove trailing slash - fixes #3729

core/commands/get.go

@@ -120,11 +120,7 @@ may also specify the level of compression by specifying '-l=<1-9>'.
 					return
 				}
 
-				outPath, _, _ := req.Option("output").String()
-				if len(outPath) == 0 {
-					_, outPath = gopath.Split(req.Arguments()[0])
-					outPath = gopath.Clean(outPath)
-				}
+				outPath := getOutPath(req)
 
 				cmplvl, err := getCompressOptions(req)
 				if err != nil {
@@ -188,6 +184,16 @@ func makeProgressBar(out io.Writer, l int64) *pb.ProgressBar {
 	return bar
 }
 
+func getOutPath(req cmds.Request) string {
+	outPath, _, _ := req.Option("output").String()
+	if outPath == "" {
+		trimmed := strings.TrimRight(req.Arguments()[0], "/")
+		_, outPath = gopath.Split(trimmed)
+		outPath = gopath.Clean(outPath)
+	}
+	return outPath
+}
+
 type getWriter struct {
 	Out io.Writer // for output to user
 	Err io.Writer // for progress bar output

core/commands/get_test.go

@@ -0,0 +1,61 @@
+package commands
+
+import (
+	"testing"
+
+	"gx/ipfs/QmSNbH2A1evCCbJSDC6u3RV3GGDhgu6pRGbXHvrN89tMKf/go-ipfs-cmdkit"
+	"gx/ipfs/QmUgr8HrEkQqXfBPtj1A2UEg1V7cvhUhDsmL44wFPCJk5k/go-ipfs-cmds"
+)
+
+func TestGetOutputPath(t *testing.T) {
+	cases := []struct {
+		args    []string
+		opts    cmdkit.OptMap
+		outPath string
+	}{
+		{
+			args: []string{"/ipns/multiformats.io/"},
+			opts: map[string]interface{}{
+				"output": "takes-precedence",
+			},
+			outPath: "takes-precedence",
+		},
+		{
+			args: []string{"/ipns/multiformats.io/", "some-other-arg-to-be-ignored"},
+			opts: cmdkit.OptMap{
+				"output": "takes-precedence",
+			},
+			outPath: "takes-precedence",
+		},
+		{
+			args:    []string{"/ipns/multiformats.io/"},
+			outPath: "multiformats.io",
+			opts:    cmdkit.OptMap{},
+		},
+		{
+			args:    []string{"/ipns/multiformats.io/logo.svg/"},
+			outPath: "logo.svg",
+			opts:    cmdkit.OptMap{},
+		},
+		{
+			args:    []string{"/ipns/multiformats.io", "some-other-arg-to-be-ignored"},
+			outPath: "multiformats.io",
+			opts:    cmdkit.OptMap{},
+		},
+	}
+
+	defOpts, err := GetCmd.GetOptions([]string{})
+	if err != nil {
+		t.Fatalf("error getting default command options: %v", err)
+	}
+
+	for _, tc := range cases {
+		req, err := cmds.NewRequest([]string{}, tc.opts, tc.args, nil, GetCmd, defOpts)
+		if err != nil {
+			t.Fatalf("error creating a command request: %v", err)
+		}
+		if outPath := getOutPath(req); outPath != tc.outPath {
+			t.Errorf("expected outPath %s to be %s", outPath, tc.outPath)
+		}
+	}
+}