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-rw-r--r--nix/libstore/build.cc8
1 files changed, 2 insertions, 6 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