diff options
Diffstat (limited to 'nix')
| -rw-r--r-- | nix/libstore/build.cc | 8 | ||||
| -rw-r--r-- | nix/libutil/util.cc | 15 | ||||
| -rw-r--r-- | nix/libutil/util.hh | 6 |
3 files changed, 2 insertions, 27 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc index 63540ddfc1..d68e8b2bc0 100644 --- a/nix/libstore/build.cc +++ b/nix/libstore/build.cc @@ -2086,12 +2086,8 @@ void DerivationGoal::runChild() outside of the namespace. Making a subtree private is local to the namespace, though, so setting MS_PRIVATE does not affect the outside world. */ - Strings mounts = tokenizeString<Strings>(readFile("/proc/self/mountinfo", true), "\n"); - foreach (Strings::iterator, i, mounts) { - vector<string> fields = tokenizeString<vector<string> >(*i, " "); - 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); + if (mount(0, "/", 0, MS_REC|MS_PRIVATE, 0) == -1) { + throw SysError("unable to make ‘/’ private mount"); } /* Bind-mount chroot directory to itself, to treat it as a diff --git a/nix/libutil/util.cc b/nix/libutil/util.cc index c07754487e..768e12b5e4 100644 --- a/nix/libutil/util.cc +++ b/nix/libutil/util.cc @@ -1106,21 +1106,6 @@ bool endOfList(std::istream & str) } -string decodeOctalEscaped(const string & s) -{ - string r; - for (string::const_iterator i = s.begin(); i != s.end(); ) { - if (*i != '\\') { r += *i++; continue; } - unsigned char c = 0; - ++i; - while (i != s.end() && *i >= '0' && *i < '8') - c = c * 8 + (*i++ - '0'); - r += c; - } - return r; -} - - void ignoreException() { try { diff --git a/nix/libutil/util.hh b/nix/libutil/util.hh index e84d64d10a..6a6e07c478 100644 --- a/nix/libutil/util.hh +++ b/nix/libutil/util.hh @@ -356,12 +356,6 @@ string parseString(std::istream & str); bool endOfList(std::istream & str); -/* Escape a string that contains octal-encoded escape codes such as - used in /etc/fstab and /proc/mounts (e.g. "foo\040bar" decodes to - "foo bar"). */ -string decodeOctalEscaped(const string & s); - - /* Exception handling in destructors: print an error message, then ignore the exception. */ void ignoreException(); |