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authorEelco Dolstra <eelco.dolstra@logicblox.com>2016-02-09T20·34+0100
committerEelco Dolstra <eelco.dolstra@logicblox.com>2016-02-09T20·34+0100
commit206bbb5dc9f714db51cdae973de9efef71d96cf7 (patch)
tree54fc97eb0ce963666337b45c76e35086058ac3be /src/nix/build.cc
parentcd2196b08981a96cf607ad4a8f2f0dfa8cdf2add (diff)
Add basic "nix build" command
Currently only builds by attribute from <nixpkgs> or the specified
file, e.g. "nix build hello".
Diffstat (limited to 'src/nix/build.cc')
-rw-r--r--src/nix/build.cc46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/nix/build.cc b/src/nix/build.cc
new file mode 100644
index 000000000000..35603f557a98
--- /dev/null
+++ b/src/nix/build.cc
@@ -0,0 +1,46 @@
+#include "command.hh"
+#include "common-args.hh"
+#include "installables.hh"
+#include "shared.hh"
+#include "store-api.hh"
+
+using namespace nix;
+
+struct CmdBuild : StoreCommand, MixDryRun, MixInstallables
+{
+    CmdBuild()
+    {
+    }
+
+    std::string name() override
+    {
+        return "build";
+    }
+
+    std::string description() override
+    {
+        return "build a derivation or fetch a store path";
+    }
+
+    void run(ref<Store> store) override
+    {
+        auto elems = evalInstallables(store);
+
+        PathSet pathsToBuild;
+
+        for (auto & elem : elems) {
+            if (elem.isDrv)
+                pathsToBuild.insert(elem.drvPath);
+            else
+                pathsToBuild.insert(elem.outPaths.begin(), elem.outPaths.end());
+        }
+
+        printMissing(store, pathsToBuild);
+
+        if (dryRun) return;
+
+        store->buildPaths(pathsToBuild);
+    }
+};
+
+static RegisterCommand r1(make_ref<Command, CmdBuild>());