diff options
Diffstat (limited to 'src/libstore')
| -rw-r--r-- | src/libstore/build.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index 73223bc1ad84..137056810925 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -1697,7 +1697,8 @@ void DerivationGoal::startBuilder() if HOME is not set, but they will just assume that the settings file they are looking for does not exist if HOME is set but points to some non-existing path. */ - env["HOME"] = "/homeless-shelter"; + Path homeDir = "/homeless-shelter"; + env["HOME"] = homeDir; /* Tell the builder where the Nix store is. Usually they shouldn't care, but this is useful for purity checking (e.g., @@ -1946,6 +1947,9 @@ void DerivationGoal::startBuilder() else { + if (pathExists(homeDir)) + throw Error(format("directory `%1%' exists; please remove it") % homeDir); + /* We're not doing a chroot build, but we have some valid output paths. Since we can't just overwrite or delete them, we have to do hash rewriting: i.e. in the |