diff options
| -rw-r--r-- | src/libstore/build.cc | 21 | ||||
| -rw-r--r-- | src/libstore/misc.hh | 2 |
2 files changed, 15 insertions, 8 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index 6e0a2b97bff0..f71601a77c55 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -1263,6 +1263,13 @@ PathSet outputPaths(const DerivationOutputs & outputs) } +static string get(const StringPairs & map, const string & key) +{ + StringPairs::const_iterator i = map.find(key); + return i == map.end() ? (string) "" : i->second; +} + + static bool canBuildLocally(const string & platform) { return platform == settings.thisSystem @@ -1273,9 +1280,9 @@ static bool canBuildLocally(const string & platform) } -bool willBuildLocally(Derivation & drv) +bool willBuildLocally(const Derivation & drv) { - return drv.env["preferLocalBuild"] == "1" && canBuildLocally(drv.platform); + return get(drv.env, "preferLocalBuild") == "1" && canBuildLocally(drv.platform); } @@ -1610,7 +1617,7 @@ HookReply DerivationGoal::tryBuildHook() /* Tell the hook about system features (beyond the system type) required from the build machine. (The hook could parse the drv file itself, but this is easier.) */ - Strings features = tokenizeString<Strings>(drv.env["requiredSystemFeatures"]); + Strings features = tokenizeString<Strings>(get(drv.env, "requiredSystemFeatures")); foreach (Strings::iterator, i, features) checkStoreName(*i); /* !!! abuse */ /* Send the request to the hook. */ @@ -1768,7 +1775,7 @@ void DerivationGoal::startBuilder() fixed-output derivations is by definition pure (since we already know the cryptographic hash of the output). */ if (fixedOutput) { - Strings varNames = tokenizeString<Strings>(drv.env["impureEnvVars"]); + Strings varNames = tokenizeString<Strings>(get(drv.env, "impureEnvVars")); foreach (Strings::iterator, i, varNames) env[*i] = getEnv(*i); } @@ -1779,7 +1786,7 @@ void DerivationGoal::startBuilder() temporary build directory. The text files have the format used by `nix-store --register-validity'. However, the deriver fields are left empty. */ - string s = drv.env["exportReferencesGraph"]; + string s = get(drv.env, "exportReferencesGraph"); Strings ss = tokenizeString<Strings>(s); if (ss.size() % 2 != 0) throw BuildError(format("odd number of tokens in `exportReferencesGraph': `%1%'") % s); @@ -1865,7 +1872,7 @@ void DerivationGoal::startBuilder() if (fixedOutput) useChroot = false; /* Hack to allow derivations to disable chroot builds. */ - if (drv.env["__noChroot"] == "1") useChroot = false; + if (get(drv.env, "__noChroot") == "1") useChroot = false; if (useChroot) { #if CHROOT_ENABLED @@ -2344,7 +2351,7 @@ void DerivationGoal::computeClosure() refer to), check that all references are in that list. !!! allowedReferences should really be per-output. */ if (drv.env.find("allowedReferences") != drv.env.end()) { - PathSet allowed = parseReferenceSpecifiers(drv, drv.env["allowedReferences"]); + PathSet allowed = parseReferenceSpecifiers(drv, get(drv.env, "allowedReferences")); foreach (PathSet::iterator, i, references) if (allowed.find(*i) == allowed.end()) throw BuildError(format("output is not allowed to refer to path `%1%'") % *i); diff --git a/src/libstore/misc.hh b/src/libstore/misc.hh index 6f90ebe5e442..144cb7f457cd 100644 --- a/src/libstore/misc.hh +++ b/src/libstore/misc.hh @@ -32,7 +32,7 @@ void queryMissing(StoreAPI & store, const PathSet & targets, PathSet & willBuild, PathSet & willSubstitute, PathSet & unknown, unsigned long long & downloadSize, unsigned long long & narSize); -bool willBuildLocally(Derivation & drv); +bool willBuildLocally(const Derivation & drv); } |