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Diffstat (limited to 'src/libstore/build.cc')
| -rw-r--r-- | src/libstore/build.cc | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index c46b7cd641c4..ca56d3ad925b 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -2295,12 +2295,8 @@ 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"); - for (auto & 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 |