prompt: remove git blacklist, use timeout instead

lib/prompt.py

@@ -47,8 +47,6 @@ COLOR_ERROR = 196
 MOUNT_IGNORE_FS = ["iso9660", "tmpfs", "rootfs"]
 MOUNT_IGNORE_DIR = ["/dev", "/proc", "/sys"]
 
-GIT_BLACKLIST = ["/var/paludis/repositories"]
-
 def get_username():
 	return pwd.getpwuid(os.geteuid())[0]
 
@@ -321,7 +319,7 @@ class PathPart(Part):
 			
 			self.fragments.append(str(dir))
 
-def command(cmd):
+def command(cmd, timeout=0.5):
 	"""
 	Executes a command, returns stdout, suppresses stderr."
 	"""
@@ -330,7 +328,7 @@ def command(cmd):
 		cmd = cmd.split()
 	
 	s = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-	s.wait()
+	s.wait(timeout)
 	
 	return s.stdout.read().decode("utf-8")
 
@@ -414,13 +412,13 @@ class WineprefixPart(Part):
 
 class GitPart(Part):
 	"""
-	↘2 ↗4 ⚠master ?11 ✎6 ✉10
+	↘2 ↗4 ⚠M master ?11 ✎6 ✉10
 	
 	- 2 commits are available for pulling (remote is ahead)
 	- 4 commits are available for pushing (local is ahead)
 	- we're merging
 	- branch name is master
-	- 11 untracked filed
+	- 11 untracked files
 	- 6 modified files
 	- 10 modified and staged files
 	
@@ -430,22 +428,17 @@ class GitPart(Part):
 	def __init__(self):
 		Part.__init__(self)
 		
-		# avoid expensive parsing if blacklisted
-		cwd = os.getcwd()
-		deep_parse = not any([cwd.startswith(d) for d in GIT_BLACKLIST])
-		
 		branch_name = command("git name-rev --name-only --no-undefined --always HEAD").strip()
-		#branch_name = command("git symbolic-ref HEAD").strip()#.remove("refs/heads/")
 		
 		if branch_name:
-			self.fragments.append("↱ ")
+			try:
+				self.fragments.append("↱ ")
 				
-			if deep_parse:
 				count_to_pull = command("git log --oneline ..@{u}").count("\n")
 				count_to_push = command("git log --oneline @{u}..").count("\n")
 				git_dir = command("git rev-parse --git-dir").strip()
 				merging = os.path.exists(os.path.join(git_dir, "MERGE_HEAD"))
-				untracked = command("git ls-files --other --exclude-standard").count("\n")
+				untracked = command("git ls-files --other --exclude-standard", timeout=0.2).count("\n")
 				modified = command("git diff --name-only").count("\n")
 				staged = command("git diff --name-only --staged").count("\n")
 				
@@ -458,16 +451,15 @@ class GitPart(Part):
 				if merging:
 					self.fragments.append(style_color(COLOR_GIT_MERGE))
 					self.fragments.append(style_bold())
-					self.fragments.append("⚠")
+					self.fragments.append("⚠M ")
 				elif modified or staged:
 					self.fragments.append(style_color(COLOR_GIT_DIRTY))
 				else:
 					self.fragments.append(style_color(COLOR_GIT_CLEAN))
 				
-			self.fragments.append(branch_name)
+				self.fragments.append(branch_name)
-			self.fragments.append(style_reset())
+				self.fragments.append(style_reset())
 				
-			if deep_parse:
 				if untracked:
 					self.fragments.append(style_color(COLOR_GIT_UNTRACKED))
 					self.fragments.append(" ?%d" %(untracked))
@@ -480,7 +472,12 @@ class GitPart(Part):
 					self.fragments.append(style_color(COLOR_GIT_STAGED))
 					self.fragments.append(" ✉%d" %(staged))
 				
-			self.fragments.append(style_reset())
+				self.fragments.append(style_reset())
+			except subprocess.TimeoutExpired:
+				self.fragments = []
+				self.fragments.append(style_color(COLOR_GIT_DIRTY))
+				self.fragments.append("⚠ git timeout ⚠")
+				self.fragments.append(style_reset())
 
 class Padding(Part):
 	def __init__(self, term_width):