diff options
-rw-r--r-- | src/libstore/build.cc | 60 |
1 files changed, 34 insertions, 26 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index ab725e8e923c..573bd14297c8 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -957,6 +957,9 @@ private: /* Fill in the environment for the builder. */ void initEnv(); + /* Setup tmp dir location. */ + void initTmpDir(); + /* Write a JSON file containing the derivation attributes. */ void writeStructuredAttrs(); @@ -2386,6 +2389,7 @@ void DerivationGoal::startBuilder() if (res != 0 && settings.sandboxFallback) { useChroot = false; tmpDirInSandbox = tmpDir; + initTmpDir(); goto fallback; } else if (res != 0) throw Error("unable to start build process"); @@ -2442,32 +2446,7 @@ void DerivationGoal::startBuilder() } -void DerivationGoal::initEnv() -{ - env.clear(); - - /* Most shells initialise PATH to some default (/bin:/usr/bin:...) when - PATH is not set. We don't want this, so we fill it in with some dummy - value. */ - env["PATH"] = "/path-not-set"; - - /* Set HOME to a non-existing path to prevent certain programs from using - /etc/passwd (or NIS, or whatever) to locate the home directory (for - example, wget looks for ~/.wgetrc). I.e., these tools use /etc/passwd - 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"] = homeDir; - - /* Tell the builder where the Nix store is. Usually they - shouldn't care, but this is useful for purity checking (e.g., - the compiler or linker might only want to accept paths to files - in the store or in the build directory). */ - env["NIX_STORE"] = worker.store.storeDir; - - /* The maximum number of cores to utilize for parallel building. */ - env["NIX_BUILD_CORES"] = (format("%d") % settings.buildCores).str(); - +void DerivationGoal::initTmpDir() { /* In non-structured mode, add all bindings specified in the derivation via the environment, except those listed in the passAsFile attribute. Those are passed as file names pointing @@ -2505,6 +2484,35 @@ void DerivationGoal::initEnv() inode of the current directory doesn't appear in .. (because getdents returns the inode of the mount point). */ env["PWD"] = tmpDirInSandbox; +} + +void DerivationGoal::initEnv() +{ + env.clear(); + + /* Most shells initialise PATH to some default (/bin:/usr/bin:...) when + PATH is not set. We don't want this, so we fill it in with some dummy + value. */ + env["PATH"] = "/path-not-set"; + + /* Set HOME to a non-existing path to prevent certain programs from using + /etc/passwd (or NIS, or whatever) to locate the home directory (for + example, wget looks for ~/.wgetrc). I.e., these tools use /etc/passwd + 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"] = homeDir; + + /* Tell the builder where the Nix store is. Usually they + shouldn't care, but this is useful for purity checking (e.g., + the compiler or linker might only want to accept paths to files + in the store or in the build directory). */ + env["NIX_STORE"] = worker.store.storeDir; + + /* The maximum number of cores to utilize for parallel building. */ + env["NIX_BUILD_CORES"] = (format("%d") % settings.buildCores).str(); + + initTmpDir(); /* Compatibility hack with Nix <= 0.7: if this is a fixed-output derivation, tell the builder, so that for instance `fetchurl' |