From: Zac Medico <zmedico@gentoo.org>
Date: Sat, 19 May 2007 22:57:23 +0000 (-0000)
Subject: Use device number and i-node number (like os.path.samefile does) to check if the... 
X-Git-Tag: v2.2_pre1~1406
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=354a199f48d247fdabfcf49f2edf4183be770001;p=portage.git

Use device number and i-node number (like os.path.samefile does) to check if the current directory is inside a given overlay.  This solves issues with path comparison and symlinks.

svn path=/main/trunk/; revision=6559
---

diff --git a/bin/repoman b/bin/repoman
index b87180cc2..8ec4af83b 100755
--- a/bin/repoman
+++ b/bin/repoman
@@ -421,13 +421,28 @@ if "PWD" in os.environ and os.environ["PWD"] != mydir and \
 	# the current working directory (from the shell).
 	mydir = os.environ["PWD"]
 mydir = normalize_path(mydir)
+path_ids = set()
+p = mydir
+s = None
+while True:
+	s = os.stat(p)
+	path_ids.add((s.st_dev, s.st_ino))
+	if p == "/":
+		break
+	p = os.path.dirname(p)
 if mydir[-1] != "/":
 	mydir += "/"
 
 for overlay in repoman_settings["PORTDIR_OVERLAY"].split():
+	overlay = os.path.realpath(overlay)
+	try:
+		s = os.stat(overlay)
+	except OSError:
+		continue
+	overlay_id = (s.st_dev, s.st_ino)
 	if overlay[-1] != "/":
 		overlay += "/"
-	if mydir.startswith(overlay):
+	if overlay_id in path_ids:
 		portdir_overlay = overlay
 		subdir = mydir[len(overlay):]
 		if subdir and subdir[-1] != "/":
@@ -436,6 +451,8 @@ for overlay in repoman_settings["PORTDIR_OVERLAY"].split():
 			portdir = portdir_overlay
 		break
 
+del p, s, path_ids
+
 if not portdir_overlay:
 	if (repoman_settings["PORTDIR"] + os.path.sep).startswith(mydir):
 		portdir_overlay = repoman_settings["PORTDIR"]