diff options
-rw-r--r-- | src/libstore/build.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index f71601a77..30fbfb8a3 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -2117,11 +2117,19 @@ void DerivationGoal::initChild() filesystem that we want in the chroot environment. */ foreach (DirsInChroot::iterator, i, dirsInChroot) { + struct stat st; Path source = i->second; Path target = chrootRootDir + i->first; if (source == "/proc") continue; // backwards compatibility debug(format("bind mounting `%1%' to `%2%'") % source % target); - createDirs(target); + if (stat(source.c_str(), &st) == -1) + throw SysError(format("getting attributes of path `%1%'") % source); + if (S_ISDIR(st.st_mode)) + createDirs(target); + else { + createDirs(dirOf(target)); + writeFile(target, ""); + } if (mount(source.c_str(), target.c_str(), "", MS_BIND, 0) == -1) throw SysError(format("bind mount from `%1%' to `%2%' failed") % source % target); } |