feat: reference segments properties cross segment

resolves #2208

.vscode/launch.json

@@ -11,7 +11,7 @@
         "prompt",
         "print",
         "primary",
-        "--config=https://gist.githubusercontent.com/ehawman-rosenberg/50b3b695526f03690cfd396d02c2cca3/raw/c2e0bc78cdf551b0cc76f593e4fd70428f981c0e/eh-tea.omp.json",
+        "--config=~/.posh.omp.json",
         "--shell=pwsh",
         "--terminal-width=200",
       ]

src/cli/debug.go

@@ -7,6 +7,7 @@ import (
 	"oh-my-posh/engine"
 	"oh-my-posh/environment"
 	"oh-my-posh/shell"
+	"time"
 
 	"github.com/spf13/cobra"
 )
@@ -18,6 +19,7 @@ var debugCmd = &cobra.Command{
 	Long:  "Print the prompt in debug mode.",
 	Args:  cobra.NoArgs,
 	Run: func(cmd *cobra.Command, args []string) {
+		startTime := time.Now()
 		env := &environment.ShellEnvironment{
 			CmdFlags: &environment.Flags{
 				Config: config,
@@ -47,7 +49,7 @@ var debugCmd = &cobra.Command{
 			Ansi:         ansi,
 			Plain:        plain,
 		}
-		fmt.Print(eng.PrintDebug(cliVersion))
+		fmt.Print(eng.PrintDebug(startTime, cliVersion))
 	},
 }
 

src/engine/block.go

@@ -4,6 +4,7 @@ import (
 	"oh-my-posh/color"
 	"oh-my-posh/environment"
 	"oh-my-posh/shell"
+	"strings"
 	"sync"
 	"time"
 )
@@ -44,13 +45,15 @@ type Block struct {
 	previousActiveSegment *Segment
 }
 
-func (b *Block) init(env environment.Environment, writer color.Writer, ansi *color.Ansi) {
+func (b *Block) Init(env environment.Environment, writer color.Writer, ansi *color.Ansi) {
 	b.env = env
 	b.writer = writer
 	b.ansi = ansi
+	b.setEnabledSegments()
+	b.setSegmentsText()
 }
 
-func (b *Block) initPlain(env environment.Environment, config *Config) {
+func (b *Block) InitPlain(env environment.Environment, config *Config) {
 	b.ansi = &color.Ansi{}
 	b.ansi.InitPlain(env.Shell())
 	b.writer = &color.AnsiWriter{
@@ -59,6 +62,8 @@ func (b *Block) initPlain(env environment.Environment, config *Config) {
 		AnsiColors:         config.MakeColors(env),
 	}
 	b.env = env
+	b.setEnabledSegments()
+	b.setSegmentsText()
 }
 
 func (b *Block) setActiveSegment(segment *Segment) {
@@ -66,7 +71,7 @@ func (b *Block) setActiveSegment(segment *Segment) {
 	b.writer.SetColors(segment.background(), segment.foreground())
 }
 
-func (b *Block) enabled() bool {
+func (b *Block) Enabled() bool {
 	if b.Type == LineBreak {
 		return true
 	}
@@ -78,14 +83,30 @@ func (b *Block) enabled() bool {
 	return false
 }
 
-func (b *Block) renderSegmentsText() {
+func (b *Block) setEnabledSegments() {
 	wg := sync.WaitGroup{}
 	wg.Add(len(b.Segments))
 	defer wg.Wait()
 	for _, segment := range b.Segments {
 		go func(s *Segment) {
 			defer wg.Done()
-			s.renderText(b.env)
+			s.setEnabled(b.env)
+		}(segment)
+	}
+}
+
+func (b *Block) setSegmentsText() {
+	wg := sync.WaitGroup{}
+	wg.Add(len(b.Segments))
+	defer wg.Wait()
+	for _, segment := range b.Segments {
+		go func(s *Segment) {
+			defer wg.Done()
+			if !s.enabled {
+				return
+			}
+			s.text = s.string()
+			s.enabled = len(strings.ReplaceAll(s.text, " ", "")) > 0
 		}(segment)
 	}
 }
@@ -96,26 +117,26 @@ func (b *Block) renderSegments() (string, int) {
 		if !segment.enabled && segment.Style != Accordion {
 			continue
 		}
-		b.renderSegment(segment)
+		b.setActiveSegment(segment)
+		b.renderActiveSegment()
 	}
 	b.writePowerline(true)
 	b.writer.ClearParentColors()
 	return b.writer.String()
 }
 
-func (b *Block) renderSegment(segment *Segment) {
+func (b *Block) renderActiveSegment() {
-	b.setActiveSegment(segment)
 	b.writePowerline(false)
 	switch b.activeSegment.Style {
 	case Plain, Powerline:
-		b.writer.Write(color.Background, color.Foreground, segment.text)
+		b.writer.Write(color.Background, color.Foreground, b.activeSegment.text)
 	case Diamond:
 		b.writer.Write(color.Transparent, color.Background, b.activeSegment.LeadingDiamond)
-		b.writer.Write(color.Background, color.Foreground, segment.text)
+		b.writer.Write(color.Background, color.Foreground, b.activeSegment.text)
 		b.writer.Write(color.Transparent, color.Background, b.activeSegment.TrailingDiamond)
 	case Accordion:
-		if segment.enabled {
+		if b.activeSegment.enabled {
-			b.writer.Write(color.Background, color.Foreground, segment.text)
+			b.writer.Write(color.Background, color.Foreground, b.activeSegment.text)
 		}
 	}
 	b.previousActiveSegment = b.activeSegment
@@ -177,11 +198,10 @@ func (b *Block) debug() (int, []*SegmentTiming) {
 			largestSegmentNameLength = segmentTiming.nameLength
 		}
 		start := time.Now()
-		segment.renderText(b.env)
 		segmentTiming.active = segment.enabled
-		segmentTiming.text = segment.text
+		if segmentTiming.active || segment.Style == Accordion {
-		if segmentTiming.active {
+			b.setActiveSegment(segment)
-			b.renderSegment(segment)
+			b.renderActiveSegment()
 			segmentTiming.text, _ = b.writer.String()
 			b.writer.Reset()
 		}

src/engine/block_test.go

@@ -24,6 +24,6 @@ func TestBlockEnabled(t *testing.T) {
 			Type:     tc.Type,
 			Segments: tc.Segments,
 		}
-		assert.Equal(t, tc.Expected, block.enabled(), tc.Case)
+		assert.Equal(t, tc.Expected, block.Enabled(), tc.Case)
 	}
 }

src/engine/engine.go

@@ -107,12 +107,11 @@ func (e *Engine) renderBlock(block *Block) {
 	// when in bash, for rprompt blocks we need to write plain
 	// and wrap in escaped mode or the prompt will not render correctly
 	if block.Type == RPrompt && e.Env.Shell() == shell.BASH {
-		block.initPlain(e.Env, e.Config)
+		block.InitPlain(e.Env, e.Config)
 	} else {
-		block.init(e.Env, e.Writer, e.Ansi)
+		block.Init(e.Env, e.Writer, e.Ansi)
 	}
-	block.renderSegmentsText()
+	if !block.Enabled() {
-	if !block.enabled() {
 		return
 	}
 	if block.Newline {
@@ -161,17 +160,16 @@ func (e *Engine) renderBlock(block *Block) {
 }
 
 // debug will loop through your config file and output the timings for each segments
-func (e *Engine) PrintDebug(version string) string {
+func (e *Engine) PrintDebug(startTime time.Time, version string) string {
 	var segmentTimings []*SegmentTiming
 	largestSegmentNameLength := 0
 	e.write(fmt.Sprintf("\n\x1b[1mVersion:\x1b[0m %s\n", version))
 	e.write("\n\x1b[1mSegments:\x1b[0m\n\n")
 	// console title timing
-	start := time.Now()
 	title := e.ConsoleTitle.GetTitle()
 	title = strings.TrimPrefix(title, "\x1b]0;")
 	title = strings.TrimSuffix(title, "\a")
-	duration := time.Since(start)
+	duration := time.Since(startTime)
 	segmentTiming := &SegmentTiming{
 		name:       "ConsoleTitle",
 		nameLength: 12,
@@ -182,7 +180,7 @@ func (e *Engine) PrintDebug(version string) string {
 	segmentTimings = append(segmentTimings, segmentTiming)
 	// loop each segments of each blocks
 	for _, block := range e.Config.Blocks {
-		block.init(e.Env, e.Writer, e.Ansi)
+		block.Init(e.Env, e.Writer, e.Ansi)
 		longestSegmentName, timings := block.debug()
 		segmentTimings = append(segmentTimings, timings...)
 		if longestSegmentName > largestSegmentNameLength {
@@ -197,7 +195,7 @@ func (e *Engine) PrintDebug(version string) string {
 		segmentName := fmt.Sprintf("%s(%t)", segment.name, segment.active)
 		e.write(fmt.Sprintf("%-*s - %3d ms - %s\n", largestSegmentNameLength, segmentName, duration, segment.text))
 	}
-	e.write(fmt.Sprintf("\n\x1b[1mRun duration:\x1b[0m %s\n", time.Since(start)))
+	e.write(fmt.Sprintf("\n\x1b[1mRun duration:\x1b[0m %s\n", time.Since(startTime)))
 	e.write(fmt.Sprintf("\n\x1b[1mCache path:\x1b[0m %s\n", e.Env.CachePath()))
 	e.write("\n\x1b[1mLogs:\x1b[0m\n\n")
 	e.write(e.Env.Logs())
@@ -245,7 +243,6 @@ func (e *Engine) PrintTooltip(tip string) string {
 	if !tooltip.writer.Enabled() {
 		return ""
 	}
-	tooltip.text = tooltip.string()
 	tooltip.enabled = true
 	// little hack to reuse the current logic
 	block := &Block{
@@ -254,11 +251,11 @@ func (e *Engine) PrintTooltip(tip string) string {
 	}
 	switch e.Env.Shell() {
 	case shell.ZSH, shell.CMD, shell.FISH:
-		block.init(e.Env, e.Writer, e.Ansi)
+		block.Init(e.Env, e.Writer, e.Ansi)
 		text, _ := block.renderSegments()
 		return text
 	case shell.PWSH, shell.PWSH5:
-		block.initPlain(e.Env, e.Config)
+		block.InitPlain(e.Env, e.Config)
 		text, length := block.renderSegments()
 		e.write(e.Ansi.ClearAfter())
 		e.write(e.Ansi.CarriageForward())
@@ -354,9 +351,8 @@ func (e *Engine) PrintRPrompt() string {
 	if block == nil {
 		return ""
 	}
-	block.init(e.Env, e.Writer, e.Ansi)
+	block.Init(e.Env, e.Writer, e.Ansi)
-	block.renderSegmentsText()
+	if !block.Enabled() {
-	if !block.enabled() {
 		return ""
 	}
 	text, length := block.renderSegments()

src/engine/segment.go

@@ -9,7 +9,6 @@ import (
 	"oh-my-posh/segments"
 	"oh-my-posh/template"
 	"runtime/debug"
-	"strings"
 	"time"
 )
 
@@ -30,8 +29,8 @@ type Segment struct {
 	Properties          properties.Map  `json:"properties,omitempty"`
 
 	writer          SegmentWriter
-	text            string
 	enabled         bool
+	text            string
 	env             environment.Environment
 	backgroundCache string
 	foregroundCache string
@@ -326,7 +325,7 @@ func (segment *Segment) string() string {
 	return text
 }
 
-func (segment *Segment) renderText(env environment.Environment) {
+func (segment *Segment) setEnabled(env environment.Environment) {
 	defer func() {
 		err := recover()
 		if err == nil {
@@ -335,7 +334,6 @@ func (segment *Segment) renderText(env environment.Environment) {
 		// display a message explaining omp failed(with the err)
 		message := fmt.Sprintf("\noh-my-posh fatal error rendering %s segment:%s\n\n%s\n", segment.Type, err, debug.Stack())
 		fmt.Println(message)
-		segment.text = "error"
 		segment.enabled = true
 	}()
 	err := segment.mapSegmentWithWriter(env)
@@ -343,7 +341,7 @@ func (segment *Segment) renderText(env environment.Environment) {
 		return
 	}
 	if segment.writer.Enabled() {
-		segment.text = segment.string()
+		segment.enabled = true
-		segment.enabled = len(strings.ReplaceAll(segment.text, " ", "")) > 0
+		env.TemplateCache().AddSegmentData(string(segment.Type), segment.writer)
 	}
 }

src/environment/concurrent_map.go

@@ -1,28 +1,24 @@
 package environment
 
-import "sync"
-
 type concurrentMap struct {
 	values map[string]interface{}
-	lock   sync.RWMutex
 }
 
 func newConcurrentMap() *concurrentMap {
 	return &concurrentMap{
 		values: make(map[string]interface{}),
-		lock:   sync.RWMutex{},
 	}
 }
 
 func (c *concurrentMap) set(key string, value interface{}) {
-	c.lock.Lock()
+	lock.Lock()
-	defer c.lock.Unlock()
+	defer lock.Unlock()
 	c.values[key] = value
 }
 
 func (c *concurrentMap) get(key string) (interface{}, bool) {
-	c.lock.RLock()
+	lock.RLock()
-	defer c.lock.RUnlock()
+	defer lock.RUnlock()
 	if val, ok := c.values[key]; ok {
 		return val, true
 	}
@@ -30,8 +26,8 @@ func (c *concurrentMap) get(key string) (interface{}, bool) {
 }
 
 func (c *concurrentMap) remove(key string) {
-	c.lock.RLock()
+	lock.RLock()
-	defer c.lock.RUnlock()
+	defer lock.RUnlock()
 	delete(c.values, key)
 }
 

src/environment/shell.go

@@ -22,6 +22,8 @@ import (
 
 	"github.com/distatus/battery"
 	process "github.com/shirou/gopsutil/v3/process"
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
 )
 
 const (
@@ -31,6 +33,10 @@ const (
 	LinuxPlatform   = "linux"
 )
 
+var (
+	lock = sync.RWMutex{}
+)
+
 type Flags struct {
 	ErrorCode     int
 	Config        string
@@ -120,6 +126,17 @@ type TemplateCache struct {
 	Env          map[string]string
 	OS           string
 	WSL          bool
+	Segments     map[string]interface{}
+}
+
+func (t *TemplateCache) AddSegmentData(key string, value interface{}) {
+	lock.Lock()
+	defer lock.Unlock()
+	if t.Segments == nil {
+		t.Segments = make(map[string]interface{})
+	}
+	key = cases.Title(language.English).String(key)
+	t.Segments[key] = value
 }
 
 type BatteryInfo struct {
@@ -207,7 +224,6 @@ type ShellEnvironment struct {
 	tmplCache  *TemplateCache
 	logBuilder strings.Builder
 	debug      bool
-	lock       sync.Mutex
 }
 
 func (env *ShellEnvironment) Init(debug bool) {
@@ -311,9 +327,9 @@ func (env *ShellEnvironment) Getenv(key string) string {
 
 func (env *ShellEnvironment) Pwd() string {
 	defer env.trace(time.Now(), "Pwd")
-	env.lock.Lock()
+	lock.Lock()
 	defer func() {
-		env.lock.Unlock()
+		lock.Unlock()
 		env.log(Debug, "Pwd", env.cwd)
 	}()
 	if env.cwd != "" {
@@ -695,6 +711,8 @@ func (env *ShellEnvironment) TemplateCache() *TemplateCache {
 }
 
 func (env *ShellEnvironment) DirMatchesOneOf(dir string, regexes []string) (match bool) {
+	lock.Lock()
+	defer lock.Unlock()
 	// sometimes the function panics inside golang, we want to silence that error
 	// and assume that there's no match. Not perfect, but better than crashing
 	// for the time being until we figure out what the actual root cause is
@@ -705,8 +723,6 @@ func (env *ShellEnvironment) DirMatchesOneOf(dir string, regexes []string) (matc
 			match = false
 		}
 	}()
-	env.lock.Lock()
-	defer env.lock.Unlock()
 	match = dirMatchesOneOf(dir, env.Home(), env.GOOS(), regexes)
 	return
 }

src/segments/iterm.go

@@ -9,6 +9,7 @@ import (
 type ITerm struct {
 	props properties.Properties
 	env   environment.Environment
+
 	PromptMark string
 }
 

src/template/text.go

@@ -25,7 +25,7 @@ type Text struct {
 type Data interface{}
 
 type Context struct {
-	environment.TemplateCache
+	*environment.TemplateCache
 
 	// Simple container to hold ANY object
 	Data
@@ -34,7 +34,7 @@ type Context struct {
 func (c *Context) init(t *Text) {
 	c.Data = t.Context
 	if cache := t.Env.TemplateCache(); cache != nil {
-		c.TemplateCache = *cache
+		c.TemplateCache = cache
 		return
 	}
 }
@@ -75,7 +75,7 @@ func (t *Text) cleanTemplate() {
 		*knownVariables = append(*knownVariables, splitted[0])
 		return splitted[0], true
 	}
-	knownVariables := []string{"Root", "PWD", "Folder", "Shell", "ShellVersion", "UserName", "HostName", "Env", "Data", "Code", "OS", "WSL"}
+	knownVariables := []string{"Root", "PWD", "Folder", "Shell", "ShellVersion", "UserName", "HostName", "Env", "Data", "Code", "OS", "WSL", "Segments"}
 	matches := regex.FindAllNamedRegexMatch(`(?: |{|\()(?P<var>(\.[a-zA-Z_][a-zA-Z0-9]*)+)`, t.Template)
 	for _, match := range matches {
 		if variable, OK := unknownVariable(match["var"], &knownVariables); OK {