refactor: reverts to buildPhase

package.nix

@@ -23,11 +23,18 @@ buildGo126Module rec {
   ];
 
   env.CGO_ENABLED = 0;
-  ldflags = [
-    "-s -w -X 'main.Commit=${rev}' -X 'main.Version=${version}'"
-  ];
+  buildPhase = ''
+    runHook preBuild
+    go build -ldflags="-s -w -X 'main.Commit=${rev}' -X 'main.Version=${version}'" ./cmd/abra
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -D abra $out/bin/abra
+    runHook postInstall
+  '';
 
-  doCheck = false;
   postInstall = ''
     export ABRA_DIR="$out"
     $out/bin/abra autocomplete bash >abra.bash