add list of voids held open by current shells to the prompt

dotfiles/system/etc/zsh/zshrc

@@ -130,7 +130,7 @@ function mkvoid () {
 	mkdir -p "${__MKVOID_DIR}" || die "mkdir fs"
 	ln -s "${__MKVOID_ID}" "${__MKVOID_PATH}" || die "ln"
 	pushd "${__MKVOID_PATH}" > /dev/null || die "pushd"
-	zsh
+	OVER_PROMPT_VOIDS="$OVER_PROMPT_VOIDS:$__MKVOID_NAME" zsh
 	popd > /dev/null
 	rm -f "${__MKVOID_PATH}" || die "rm link"
 	rm -rf "${__MKVOID_ID}" || die "rm void"

libexec/render.py

@@ -359,6 +359,27 @@ class VirtualEnvPart(Part):
 			self.fragments.append(venv_name)
 			self.fragments.append(style_reset())
 
+class VoidPart(Part):
+	"""
+	∅ name
+	
+	Displays the name(s) of the VOIDs held by the current shell and its ancestors.
+	"""
+	
+	def __init__(self):
+		Part.__init__(self)
+		
+		voids = os.getenv("OVER_PROMPT_VOIDS")
+		
+		if voids:
+			self.fragments.append("∅ ")
+			
+			for void in voids.split(":"):
+				if void:
+					self.fragments.append(style_color(COLOR_OK))
+					self.fragments.append(void)
+					self.fragments.append(style_reset())
+
 class WineprefixPart(Part):
 	"""
 	♿ name:[32|64]
@@ -652,12 +673,13 @@ if __name__ == "__main__":
 	lp = LoginPart(settings, sysload)
 	pp = PathPart(settings, overloaded)
 	gp = "" if overloaded else GitPart()
-	vp = VirtualEnvPart()
+	vep = VirtualEnvPart()
+	vop = VoidPart()
 	wp = WineprefixPart()
 	pad = Padding(settings.term_width)
 	sp = StatsPart(settings, sysload)
 	
-	line = [lp, pp, gp, vp, wp, pad, sp]
+	line = [lp, pp, gp, vep, vop, wp, pad, sp]
 	
 	pp.shrink_fit(line)
 	pad.expand_fit(line)