feat(path): agnoster left

resolves #1411

docs/docs/segment-path.md

@@ -76,6 +76,7 @@ Style sets the way the path is displayed. Based on previous experience and popul
 - agnoster
 - agnoster_full
 - agnoster_short
+- agnoster_left
 - full
 - folder
 - mixed
@@ -84,8 +85,7 @@ Style sets the way the path is displayed. Based on previous experience and popul
 ### Agnoster
 
 Renders each folder as the `folder_icon` separated by the `folder_separator_icon`.
-Only the current folder name is displayed at the end, `$HOME` is replaced by the `home_icon` if you're
+Only the current folder name is displayed at the end.
-inside the `$HOME` location or one of its children.
 
 ### Agnoster Full
 
@@ -96,6 +96,11 @@ Renders each folder name separated by the `folder_separator_icon`.
 When more than `max_depth` levels deep, it renders one `folder_icon` followed by the names of the last `max_depth` folders,
 separated by the `folder_separator_icon`.
 
+### Agnoster Left
+
+Renders each folder as the `folder_icon` separated by the `folder_separator_icon`.
+Only the root folder name and it's child are displayed in full.
+
 ### Full
 
 Display `$PWD` as a string.

src/segment_path.go

@@ -37,6 +37,8 @@ const (
 	Mixed string = "mixed"
 	// Letter like agnoster, but with the first letter of each folder name
 	Letter string = "letter"
+	// AgnosterLeft like agnoster, but keeps the left side of the path
+	AgnosterLeft string = "agnoster_left"
 	// MixedThreshold the threshold of the length of the path Mixed will display
 	MixedThreshold Property = "mixed_threshold"
 	// MappedLocations allows overriding certain location with an icon
@@ -67,6 +69,8 @@ func (pt *path) string() string {
 		formattedPath = pt.getMixedPath()
 	case Letter:
 		formattedPath = pt.getLetterPath()
+	case AgnosterLeft:
+		formattedPath = pt.getAgnosterLeftPath()
 	case Short:
 		// "short" is a duplicate of "full", just here for backwards compatibility
 		fallthrough
@@ -145,6 +149,29 @@ func (pt *path) getAgnosterPath() string {
 	return buffer.String()
 }
 
+func (pt *path) getAgnosterLeftPath() string {
+	pwd := pt.getPwd()
+	separator := pt.env.getPathSeperator()
+	pwd = strings.Trim(pwd, separator)
+	splitted := strings.Split(pwd, separator)
+	folderIcon := pt.props.getString(FolderIcon, "..")
+	separator = pt.props.getString(FolderSeparatorIcon, separator)
+	switch len(splitted) {
+	case 0:
+		return ""
+	case 1:
+		return splitted[0]
+	case 2:
+		return fmt.Sprintf("%s%s%s", splitted[0], separator, splitted[1])
+	}
+	var buffer strings.Builder
+	buffer.WriteString(fmt.Sprintf("%s%s%s", splitted[0], separator, splitted[1]))
+	for i := 2; i < len(splitted); i++ {
+		buffer.WriteString(fmt.Sprintf("%s%s", separator, folderIcon))
+	}
+	return buffer.String()
+}
+
 func (pt *path) getLetterPath() string {
 	var buffer strings.Builder
 	pwd := pt.getPwd()

src/segment_path_test.go

@@ -617,7 +617,7 @@ func TestGetFolderPathCustomMappedLocations(t *testing.T) {
 	assert.Equal(t, "#", got)
 }
 
-func TestAgnosterPath(t *testing.T) {
+func TestAgnosterPath(t *testing.T) { // nolint:dupl
 	cases := []struct {
 		Case          string
 		Expected      string
@@ -665,6 +665,54 @@ func TestAgnosterPath(t *testing.T) {
 	}
 }
 
+func TestAgnosterLeftPath(t *testing.T) { // nolint:dupl
+	cases := []struct {
+		Case          string
+		Expected      string
+		Home          string
+		PWD           string
+		PathSeparator string
+	}{
+		{Case: "Windows outside home", Expected: "C: > Program Files > f > f", Home: homeBillWindows, PWD: "C:\\Program Files\\Go\\location", PathSeparator: "\\"},
+		{Case: "Windows inside home", Expected: "~ > Documents > f > f", Home: homeBillWindows, PWD: homeBillWindows + "\\Documents\\Bill\\location", PathSeparator: "\\"},
+		{Case: "Windows inside home zero levels", Expected: "C: > location", Home: homeBillWindows, PWD: "C:\\location", PathSeparator: "\\"},
+		{Case: "Windows inside home one level", Expected: "C: > Program Files > f", Home: homeBillWindows, PWD: "C:\\Program Files\\location", PathSeparator: "\\"},
+		{Case: "Windows lower case drive letter", Expected: "C: > Windows", Home: homeBillWindows, PWD: "C:\\Windows\\", PathSeparator: "\\"},
+		{Case: "Windows lower case drive letter (other)", Expected: "P: > Other", Home: homeBillWindows, PWD: "P:\\Other\\", PathSeparator: "\\"},
+		{Case: "Windows lower word drive", Expected: "some: > some", Home: homeBillWindows, PWD: "some:\\some\\", PathSeparator: "\\"},
+		{Case: "Windows lower word drive (ending with c)", Expected: "src: > source", Home: homeBillWindows, PWD: "src:\\source\\", PathSeparator: "\\"},
+		{Case: "Windows lower word drive (arbitrary cases)", Expected: "sRc: > source", Home: homeBillWindows, PWD: "sRc:\\source\\", PathSeparator: "\\"},
+		{Case: "Windows registry drive", Expected: "\uf013 > SOFTWARE > f", Home: homeBillWindows, PWD: "HKLM:\\SOFTWARE\\magnetic:test\\", PathSeparator: "\\"},
+		{Case: "Windows registry drive case sensitive", Expected: "\uf013 > SOFTWARE > f", Home: homeBillWindows, PWD: "HKLM:\\SOFTWARE\\magnetic:TOAST\\", PathSeparator: "\\"},
+		{Case: "Unix outside home", Expected: "mnt > go > f > f", Home: homeJan, PWD: "/mnt/go/test/location", PathSeparator: "/"},
+		{Case: "Unix inside home", Expected: "~ > docs > f > f", Home: homeJan, PWD: homeJan + "/docs/jan/location", PathSeparator: "/"},
+		{Case: "Unix outside home zero levels", Expected: "mnt > location", Home: homeJan, PWD: "/mnt/location", PathSeparator: "/"},
+		{Case: "Unix outside home one level", Expected: "mnt > folder > f", Home: homeJan, PWD: "/mnt/folder/location", PathSeparator: "/"},
+	}
+
+	for _, tc := range cases {
+		env := new(MockedEnvironment)
+		env.On("homeDir", nil).Return(tc.Home)
+		env.On("getPathSeperator", nil).Return(tc.PathSeparator)
+		env.On("getcwd", nil).Return(tc.PWD)
+		env.On("getRuntimeGOOS", nil).Return("")
+		args := &args{
+			PSWD: &tc.PWD,
+		}
+		env.On("getArgs", nil).Return(args)
+		path := &path{
+			env: env,
+			props: map[Property]interface{}{
+				FolderSeparatorIcon: " > ",
+				FolderIcon:          "f",
+				HomeIcon:            "~",
+			},
+		}
+		got := path.getAgnosterLeftPath()
+		assert.Equal(t, tc.Expected, got, tc.Case)
+	}
+}
+
 func TestGetPwd(t *testing.T) {
 	cases := []struct {
 		MappedLocationsEnabled bool

themes/schema.json

@@ -1191,6 +1191,7 @@
                       "agnoster",
                       "agnoster_full",
                       "agnoster_short",
+                      "agnoster_left",
                       "short",
                       "full",
                       "folder",