diff options
| -rw-r--r-- | src/libstore/build.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index cc3588a1eaac..538990ed9989 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -1552,6 +1552,12 @@ void DerivationGoal::startBuilder() /* Also set TMPDIR and variants to point to this directory. */ env["TMPDIR"] = env["TEMPDIR"] = env["TMP"] = env["TEMP"] = tmpDir; + /* Explicitly set PWD to prevent problems with chroot builds. In + particular, dietlibc cannot figure out the cwd because the + inode of the current directory doesn't appear in .. (because + getdents returns the inode of the mount point). */ + env["PWD"] = tmpDir; + /* Compatibility hack with Nix <= 0.7: if this is a fixed-output derivation, tell the builder, so that for instance `fetchurl' can skip checking the output. On older Nixes, this environment |