From e666e1156fba936dce93ccfa2486f67369a97129 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 28 Sep 2012 21:39:30 -0400
Subject: Handle octal escapes in /proc/self/mountinfo

---
 src/libstore/build.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/libstore/build.cc')

diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index ca66be3b4..fecee04d5 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1914,8 +1914,9 @@ void DerivationGoal::initChild()
             Strings mounts = tokenizeString<Strings>(readFile("/proc/self/mountinfo", true), "\n");
             foreach (Strings::iterator, i, mounts) {
                 vector<string> fields = tokenizeString<vector<string> >(*i, " ");
-                if (mount(0, fields.at(4).c_str(), 0, MS_PRIVATE, 0) == -1)
-                    throw SysError(format("unable to make filesystem `%1%' private") % fields.at(4));
+                string fs = decodeOctalEscaped(fields.at(4));
+                if (mount(0, fs.c_str(), 0, MS_PRIVATE, 0) == -1)
+                    throw SysError(format("unable to make filesystem `%1%' private") % fs);
             }
 
             /* Bind-mount all the directories from the "host"
-- 
cgit v1.2.3