* Put building in the store API.

11 files changed, 31 insertions, 48 deletions

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index d4de6027e404..17a04bc83390 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -1,4 +1,3 @@
-#include "build.hh"
 #include "misc.hh"
 #include "eval.hh"
 #include "globals.hh"
@@ -50,7 +49,7 @@ static Expr primImport(EvalState & state, const ATermVector & args)
             throw EvalError(format("cannot import `%1%', since path `%2%' is not valid")
                 % path % *i);
         if (isDerivation(*i))
-            buildDerivations(singleton<PathSet>(*i));
+            store->buildDerivations(singleton<PathSet>(*i));
     }
 
     return evalFile(state, path);
diff --git a/src/libstore/Makefile.am b/src/libstore/Makefile.am
index 209a1e69291c..4d25c2d68961 100644
--- a/src/libstore/Makefile.am
+++ b/src/libstore/Makefile.am
@@ -5,7 +5,7 @@ libstore_la_SOURCES = \
  db.cc references.cc pathlocks.cc gc.cc 
 
 pkginclude_HEADERS = \
- store-api.hh local-store.cc derivations.hh build.hh misc.hh globals.hh \
+ store-api.hh local-store.cc derivations.hh misc.hh globals.hh \
  db.hh references.hh pathlocks.hh gc.hh 
 
 libstore_la_LIBADD = ../libutil/libutil.la ../boost/format/libformat.la
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index a78d5010cb66..54c48cf91fc7 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1,4 +1,3 @@
-#include "build.hh"
 #include "references.hh"
 #include "pathlocks.hh"
 #include "misc.hh"
@@ -2195,7 +2194,7 @@ void Worker::waitForInput()
 //////////////////////////////////////////////////////////////////////
 
 
-void buildDerivations(const PathSet & drvPaths)
+void LocalStore::buildDerivations(const PathSet & drvPaths)
 {
     startNest(nest, lvlDebug,
         format("building %1%") % showPaths(drvPaths));
@@ -2222,7 +2221,7 @@ void buildDerivations(const PathSet & drvPaths)
 }
 
 
-void ensurePath(const Path & path)
+void LocalStore::ensurePath(const Path & path)
 {
     /* If the path is already valid, we're done. */
     if (store->isValidPath(path)) return;
diff --git a/src/libstore/build.hh b/src/libstore/build.hh
deleted file mode 100644
index 71895c0a9c32..000000000000
--- a/src/libstore/build.hh
+++ /dev/null
@@ -1,30 +0,0 @@
-#ifndef __BUILD_H
-#define __BUILD_H
-
-
-#include "types.hh"
-
-
-namespace nix {
-
-    
-extern string drvsLogDir;
-
-
-/* Ensure that the output paths of the derivation are valid.  If they
-   are already valid, this is a no-op.  Otherwise, validity can
-   be reached in two ways.  First, if the output paths have
-   substitutes, then those can be used.  Second, the output paths can
-   be created by running the builder, after recursively building any
-   sub-derivations. */
-void buildDerivations(const PathSet & drvPaths);
-
-/* Ensure that a path is valid.  If it is not currently valid, it may
-   be made valid by running a substitute (if defined for the path). */
-void ensurePath(const Path & storePath);
-
-    
-}
-
-
-#endif /* !__BUILD_H */
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 9441dc344a73..b93f5d62c1ef 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -33,7 +33,6 @@ extern string nixConfDir;
 extern string nixLibexecDir;
 
 
-
 /* Misc. global flags. */
 
 /* Whether to keep temporary directories of failed builds. */
diff --git a/src/libstore/local-store.hh b/src/libstore/local-store.hh
index 2fd45cd7a521..e41e4368397f 100644
--- a/src/libstore/local-store.hh
+++ b/src/libstore/local-store.hh
@@ -18,6 +18,9 @@ class Transaction;
 const int nixSchemaVersion = 3;
 
 
+extern string drvsLogDir;
+
+
 class LocalStore : public StoreAPI
 {
 public:
@@ -56,6 +59,10 @@ public:
     Path addTextToStore(const string & suffix, const string & s,
         const PathSet & references);
 
+    void buildDerivations(const PathSet & drvPaths);
+
+    void ensurePath(const Path & storePath);
+
 private:
     Path _addToStore(bool fixed, bool recursive,
         string hashAlgo, const Path & _srcPath);
diff --git a/src/libstore/misc.cc b/src/libstore/misc.cc
index b442bd4c2157..6849e2c1a64c 100644
--- a/src/libstore/misc.cc
+++ b/src/libstore/misc.cc
@@ -1,6 +1,5 @@
 #include "misc.hh"
 #include "store-api.hh"
-#include "build.hh"
 #include "db.hh"
 
 #include <aterm2.h>
@@ -12,7 +11,7 @@ namespace nix {
 Derivation derivationFromPath(const Path & drvPath)
 {
     assertStorePath(drvPath);
-    ensurePath(drvPath);
+    store->ensurePath(drvPath);
     ATerm t = ATreadFromNamedFile(drvPath.c_str());
     if (!t) throw Error(format("cannot read aterm from `%1%'") % drvPath);
     return parseDerivation(t);
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 91beba50f7d2..abf27a346f31 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -72,6 +72,19 @@ public:
        a regular file containing the given string. */
     virtual Path addTextToStore(const string & suffix, const string & s,
         const PathSet & references) = 0;
+
+    /* Ensure that the output paths of the derivation are valid.  If
+       they are already valid, this is a no-op.  Otherwise, validity
+       can be reached in two ways.  First, if the output paths have
+       substitutes, then those can be used.  Second, the output paths
+       can be created by running the builder, after recursively
+       building any sub-derivations. */
+    virtual void buildDerivations(const PathSet & drvPaths) = 0;
+
+    /* Ensure that a path is valid.  If it is not currently valid, it
+       may be made valid by running a substitute (if defined for the
+       path). */
+    virtual void ensurePath(const Path & storePath) = 0;
 };
 
 
diff --git a/src/nix-env/main.cc b/src/nix-env/main.cc
index 997c45da3073..ce0bef069708 100644
--- a/src/nix-env/main.cc
+++ b/src/nix-env/main.cc
@@ -1,7 +1,6 @@
 #include "profiles.hh"
 #include "names.hh"
 #include "globals.hh"
-#include "build.hh"
 #include "misc.hh"
 #include "gc.hh"
 #include "shared.hh"
@@ -152,7 +151,7 @@ static void createUserEnv(EvalState & state, const DrvInfos & elems,
             drvsToBuild.insert(i->queryDrvPath(state));
 
     debug(format("building user environment dependencies"));
-    buildDerivations(drvsToBuild);
+    store->buildDerivations(drvsToBuild);
 
     /* Get the environment builder expression. */
     Expr envBuilder = parseExprFromFile(state,
@@ -184,7 +183,7 @@ static void createUserEnv(EvalState & state, const DrvInfos & elems,
         /* This is only necessary when installing store paths, e.g.,
            `nix-env -i /nix/store/abcd...-foo'. */
         addTempRoot(i->queryOutPath(state));
-        ensurePath(i->queryOutPath(state));
+        store->ensurePath(i->queryOutPath(state));
         
         references.insert(i->queryOutPath(state));
         if (drvPath != "") references.insert(drvPath);
@@ -212,7 +211,7 @@ static void createUserEnv(EvalState & state, const DrvInfos & elems,
     
     /* Realise the resulting store expression. */
     debug(format("building user environment"));
-    buildDerivations(singleton<PathSet>(topLevelDrv.queryDrvPath(state)));
+    store->buildDerivations(singleton<PathSet>(topLevelDrv.queryDrvPath(state)));
 
     /* Switch the current user environment to the output path. */
     debug(format("switching to new user environment"));
diff --git a/src/nix-instantiate/main.cc b/src/nix-instantiate/main.cc
index 144b13d2bca6..71f0a44e2791 100644
--- a/src/nix-instantiate/main.cc
+++ b/src/nix-instantiate/main.cc
@@ -2,7 +2,6 @@
 #include <iostream>
 
 #include "globals.hh"
-#include "build.hh"
 #include "gc.hh"
 #include "shared.hh"
 #include "eval.hh"
diff --git a/src/nix-store/main.cc b/src/nix-store/main.cc
index 273fa3e7457e..f31814881f71 100644
--- a/src/nix-store/main.cc
+++ b/src/nix-store/main.cc
@@ -2,7 +2,6 @@
 #include <algorithm>
 
 #include "globals.hh"
-#include "build.hh"
 #include "misc.hh"
 #include "gc.hh"
 #include "archive.hh"
@@ -64,7 +63,7 @@ static Path realisePath(const Path & path)
     if (isDerivation(path)) {
         PathSet paths;
         paths.insert(path);
-        buildDerivations(paths);
+        store->buildDerivations(paths);
         Path outPath = findOutput(derivationFromPath(path), "out");
         
         if (gcRoot == "")
@@ -76,7 +75,7 @@ static Path realisePath(const Path & path)
         
         return outPath;
     } else {
-        ensurePath(path);
+        store->ensurePath(path);
         return path;
     }
 }
@@ -97,7 +96,7 @@ static void opRealise(Strings opFlags, Strings opArgs)
              i != opArgs.end(); ++i)
             if (isDerivation(*i))
                 drvPaths.insert(*i);
-        buildDerivations(drvPaths);
+        store->buildDerivations(drvPaths);
     }
 
     for (Strings::iterator i = opArgs.begin();