Split off tests into a separate logical repository

This allows better separation and, in particular, repositories
needed only for tests do not have to be provided for building the
tools. This also better documents which dependencies are only needed
for testing.

40 files changed, 337 insertions, 310 deletions

diff --git a/test/TARGETS b/test/TARGETS
index 8fb612ec..92838f66 100644
--- a/test/TARGETS
+++ b/test/TARGETS
@@ -4,8 +4,8 @@
   , "srcs": ["main.cpp"]
   , "deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test/utils", "log_config"]
-    , ["src/buildtool/file_system", "git_context"]
+    , ["utils", "log_config"]
+    , ["@", "src", "src/buildtool/file_system", "git_context"]
     ]
   , "stage": ["test"]
   }
@@ -70,4 +70,32 @@
   , "tainted": ["test"]
   , "deps": [["./", "bootstrap", "TESTS"]]
   }
+, "large-tests":
+  { "type": "install"
+  , "tainted": ["test"]
+  , "dirs": [["bootstrap-test", "bootstrap-test"]]
+  }
+, "test-deps-headers":
+  { "type": ["@", "rules", "CC", "install-with-deps"]
+  , "hdrs-only": ["yes"]
+  , "targets": [["@", "catch2", "", "catch2"]]
+  }
+, "just-ext-hdrs (unconfigured)":
+  { "type": "install"
+  , "dirs":
+    [[["@", "src", "", "just-ext-hdrs"], "."], ["test-deps-headers", "."]]
+  }
+, "just-ext-hdrs":
+  { "type": "configure"
+  , "arguments_config": ["OS", "ARCH"]
+  , "target": "just-ext-hdrs (unconfigured)"
+  , "config":
+    { "type": "let*"
+    , "bindings":
+      [ ["OS", {"type": "var", "name": "OS", "default": "linux"}]
+      , ["ARCH", {"type": "var", "name": "ARCH", "default": "x86_64"}]
+      ]
+    , "body": {"type": "env", "vars": ["OS", "ARCH"]}
+    }
+  }
 }
diff --git a/test/bootstrap/TARGETS b/test/bootstrap/TARGETS
index c5c744b2..ab8ae1e6 100644
--- a/test/bootstrap/TARGETS
+++ b/test/bootstrap/TARGETS
@@ -7,7 +7,7 @@
     ]
   , "test": ["test-bootstrap.sh"]
   , "deps":
-    [ ["", "bootstrap-src"]
+    [ ["@", "src", "", "bootstrap-src"]
     , ["@", "just-distfiles", "", "distdir"]
     , "prune-config.py"
     ]
@@ -56,7 +56,7 @@
     , ["@", "gsl", "", "gsl"]
     , ["@", "cli11", "", "cli11"]
     , ["@", "ssl", "", "crypto"]
-    , ["", "libgit2"]
+    , ["@", "src", "", "libgit2"]
     , ["@", "protoc", "", "protoc"]
     , ["@", "protoc", "", "libprotobuf"]
     , ["@", "grpc", "", "grpc++"]
@@ -64,7 +64,7 @@
     ]
   }
 , "just_other_deps":
-  { "type": ["test/bootstrap", "stage-deps"]
+  { "type": ["bootstrap", "stage-deps"]
   , "protos":
     [ ["@", "bazel_remote_apis", "", "remote_execution_proto"]
     , ["@", "googleapis", "", "google_bytestream_proto"]
@@ -74,7 +74,9 @@
     ]
   }
 , "staged-sources":
-  {"type": "install", "dirs": [[["", "bootstrap-src"], "srcs/just"]]}
+  { "type": "install"
+  , "dirs": [[["@", "src", "", "bootstrap-src"], "srcs/just"]]
+  }
 , "pkgconfig-test":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["bootstrap-test-pkgconfig"]
diff --git a/test/buildtool/build_engine/base_maps/TARGETS b/test/buildtool/build_engine/base_maps/TARGETS
index 642804c9..862aa3dc 100644
--- a/test/buildtool/build_engine/base_maps/TARGETS
+++ b/test/buildtool/build_engine/base_maps/TARGETS
@@ -3,9 +3,9 @@
   , "name": ["test_repo"]
   , "hdrs": ["test_repo.hpp"]
   , "deps":
-    [ ["src/buildtool/common", "config"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["test/utils", "shell_quoting"]
+    [ ["@", "src", "src/buildtool/common", "config"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["utils", "shell_quoting"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "base_maps"]
   }
@@ -15,8 +15,8 @@
   , "srcs": ["entity_name.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/build_engine/base_maps", "entity_name"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "entity_name"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "base_maps"]
   }
@@ -28,9 +28,9 @@
   , "private-deps":
     [ "test_repo"
     , ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/common", "config"]
-    , ["src/buildtool/build_engine/base_maps", "directory_map"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/common", "config"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "directory_map"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "base_maps"]
   }
@@ -42,8 +42,8 @@
   , "private-deps":
     [ "test_repo"
     , ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/build_engine/base_maps", "json_file_map"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "json_file_map"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "base_maps"]
   }
@@ -55,9 +55,9 @@
   , "private-deps":
     [ "test_repo"
     , ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/build_engine/base_maps", "directory_map"]
-    , ["src/buildtool/build_engine/base_maps", "source_map"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "directory_map"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "source_map"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "base_maps"]
   }
@@ -69,8 +69,8 @@
   , "private-deps":
     [ "test_repo"
     , ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/build_engine/base_maps", "expression_map"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "expression_map"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "base_maps"]
   }
@@ -82,8 +82,8 @@
   , "private-deps":
     [ "test_repo"
     , ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/build_engine/base_maps", "rule_map"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "rule_map"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "base_maps"]
   }
diff --git a/test/buildtool/build_engine/expression/TARGETS b/test/buildtool/build_engine/expression/TARGETS
index 5488c212..a4d56e57 100644
--- a/test/buildtool/build_engine/expression/TARGETS
+++ b/test/buildtool/build_engine/expression/TARGETS
@@ -4,9 +4,9 @@
   , "srcs": ["linked_map.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/build_engine/expression", "linked_map"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/build_engine/expression", "linked_map"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "expression"]
   }
@@ -16,9 +16,9 @@
   , "srcs": ["expression.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/build_engine/expression", "expression"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/build_engine/expression", "expression"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "expression"]
   }
@@ -28,9 +28,9 @@
   , "srcs": ["configuration.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/build_engine/expression", "expression"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/build_engine/expression", "expression"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "expression"]
   }
diff --git a/test/buildtool/build_engine/target_map/TARGETS b/test/buildtool/build_engine/target_map/TARGETS
index d266a4cd..7eae3c0c 100644
--- a/test/buildtool/build_engine/target_map/TARGETS
+++ b/test/buildtool/build_engine/target_map/TARGETS
@@ -4,9 +4,9 @@
   , "srcs": ["result_map.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/buildtool/build_engine/target_map", "result_map"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/buildtool/build_engine/target_map", "result_map"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "target_map"]
   }
@@ -17,12 +17,12 @@
   , "data": ["test_data"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/build_engine/base_maps", "directory_map"]
-    , ["src/buildtool/build_engine/base_maps", "rule_map"]
-    , ["src/buildtool/build_engine/base_maps", "source_map"]
-    , ["src/buildtool/build_engine/base_maps", "targets_file_map"]
-    , ["src/buildtool/build_engine/target_map", "target_map"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "directory_map"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "rule_map"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "source_map"]
+    , ["@", "src", "src/buildtool/build_engine/base_maps", "targets_file_map"]
+    , ["@", "src", "src/buildtool/build_engine/target_map", "target_map"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "target_map"]
   }
@@ -32,11 +32,13 @@
   , "srcs": ["target_map_internals.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , [ "src/buildtool/build_engine/target_map"
+    , ["", "catch-main"]
+    , [ "@"
+      , "src"
+      , "src/buildtool/build_engine/target_map"
       , "target_map_testable_internals"
       ]
-    , ["src/buildtool/build_engine/expression", "expression"]
+    , ["@", "src", "src/buildtool/build_engine/expression", "expression"]
     ]
   , "stage": ["test", "buildtool", "build_engine", "target_map"]
   }
diff --git a/test/buildtool/common/TARGETS b/test/buildtool/common/TARGETS
index 3d1c9216..e26ff319 100644
--- a/test/buildtool/common/TARGETS
+++ b/test/buildtool/common/TARGETS
@@ -4,8 +4,8 @@
   , "srcs": ["artifact_factory.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/common", "artifact_factory"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
     ]
   , "stage": ["test", "buildtool", "common"]
   }
@@ -15,9 +15,9 @@
   , "srcs": ["artifact_description.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/common", "artifact_description"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/common", "artifact_description"]
     ]
   , "stage": ["test", "buildtool", "common"]
   }
@@ -27,9 +27,9 @@
   , "srcs": ["action_description.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/common", "action_description"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/common", "action_description"]
     ]
   , "stage": ["test", "buildtool", "common"]
   }
@@ -39,10 +39,10 @@
   , "srcs": ["repository_config.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/common", "config"]
-    , ["test/utils", "local_hermeticity"]
-    , ["src/buildtool/execution_api/local", "local"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/common", "config"]
+    , ["utils", "local_hermeticity"]
+    , ["@", "src", "src/buildtool/execution_api/local", "local"]
     ]
   , "stage": ["test", "buildtool", "common"]
   }
diff --git a/test/buildtool/crypto/TARGETS b/test/buildtool/crypto/TARGETS
index a3b7d880..c4177579 100644
--- a/test/buildtool/crypto/TARGETS
+++ b/test/buildtool/crypto/TARGETS
@@ -4,8 +4,8 @@
   , "srcs": ["hasher.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/crypto", "hasher"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/crypto", "hasher"]
     ]
   , "stage": ["test", "buildtool", "crypto"]
   }
@@ -15,8 +15,8 @@
   , "srcs": ["hash_function.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/crypto", "hash_function"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/crypto", "hash_function"]
     ]
   , "stage": ["test", "buildtool", "crypto"]
   }
diff --git a/test/buildtool/execution_api/bazel/TARGETS b/test/buildtool/execution_api/bazel/TARGETS
index 966485b2..4a2187c3 100644
--- a/test/buildtool/execution_api/bazel/TARGETS
+++ b/test/buildtool/execution_api/bazel/TARGETS
@@ -1,48 +1,48 @@
 { "cas_client":
-  { "type": ["test/utils/remote_execution", "CC test"]
+  { "type": ["utils/remote_execution", "CC test"]
   , "name": ["cas_client"]
   , "srcs": ["bazel_cas_client.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test/utils", "catch-main-remote-execution"]
-    , ["src/buildtool/execution_api/remote", "bazel_network"]
-    , ["src/buildtool/execution_api/remote", "config"]
+    , ["utils", "catch-main-remote-execution"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "bazel_network"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "config"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "bazel"]
   }
 , "execution_client":
-  { "type": ["test/utils/remote_execution", "CC test"]
+  { "type": ["utils/remote_execution", "CC test"]
   , "name": ["execution_client"]
   , "srcs": ["bazel_execution_client.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test/utils", "catch-main-remote-execution"]
-    , ["test/utils", "execution_bazel"]
-    , ["src/buildtool/execution_api/remote", "bazel_network"]
+    , ["utils", "catch-main-remote-execution"]
+    , ["utils", "execution_bazel"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "bazel_network"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "bazel"]
   }
 , "bytestream_client":
-  { "type": ["test/utils/remote_execution", "CC test"]
+  { "type": ["utils/remote_execution", "CC test"]
   , "name": ["bytestream_client"]
   , "srcs": ["bytestream_client.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test/utils", "catch-main-remote-execution"]
-    , ["test/utils", "execution_bazel"]
-    , ["src/buildtool/execution_api/remote", "bazel_network"]
+    , ["utils", "catch-main-remote-execution"]
+    , ["utils", "execution_bazel"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "bazel_network"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "bazel"]
   }
 , "network":
-  { "type": ["test/utils/remote_execution", "CC test"]
+  { "type": ["utils/remote_execution", "CC test"]
   , "name": ["network"]
   , "srcs": ["bazel_network.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test/utils", "catch-main-remote-execution"]
-    , ["test/utils", "execution_bazel"]
-    , ["src/buildtool/execution_api/remote", "bazel_network"]
+    , ["utils", "catch-main-remote-execution"]
+    , ["utils", "execution_bazel"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "bazel_network"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "bazel"]
   }
@@ -50,25 +50,29 @@
   { "type": ["@", "rules", "CC/test", "test"]
   , "name": ["msg_factory"]
   , "srcs": ["bazel_msg_factory.test.cpp"]
-  , "data": [["test/buildtool/storage", "test_data"]]
+  , "data": [["buildtool/storage", "test_data"]]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/execution_api/bazel_msg", "bazel_msg_factory"]
-    , ["src/buildtool/file_system", "object_type"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , [ "@"
+      , "src"
+      , "src/buildtool/execution_api/bazel_msg"
+      , "bazel_msg_factory"
+      ]
+    , ["@", "src", "src/buildtool/file_system", "object_type"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "bazel"]
   }
 , "bazel_api":
-  { "type": ["test/utils/remote_execution", "CC test"]
+  { "type": ["utils/remote_execution", "CC test"]
   , "name": ["bazel_api"]
   , "srcs": ["bazel_api.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test/utils", "catch-main-remote-execution"]
-    , ["src/buildtool/execution_api/remote", "bazel"]
-    , ["test/buildtool/execution_api/common", "api_test"]
+    , ["utils", "catch-main-remote-execution"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "bazel"]
+    , ["buildtool/execution_api/common", "api_test"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "bazel"]
   }
diff --git a/test/buildtool/execution_api/common/TARGETS b/test/buildtool/execution_api/common/TARGETS
index abd7e3a3..b8039b02 100644
--- a/test/buildtool/execution_api/common/TARGETS
+++ b/test/buildtool/execution_api/common/TARGETS
@@ -4,9 +4,9 @@
   , "hdrs": ["api_test.hpp"]
   , "deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/execution_api/common", "common"]
-    , ["src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/execution_api/common", "common"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "common"]
   }
diff --git a/test/buildtool/execution_api/local/TARGETS b/test/buildtool/execution_api/local/TARGETS
index c0131568..11e92a45 100644
--- a/test/buildtool/execution_api/local/TARGETS
+++ b/test/buildtool/execution_api/local/TARGETS
@@ -4,10 +4,10 @@
   , "srcs": ["local_execution.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/execution_api/local", "local"]
-    , ["test/utils", "local_hermeticity"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/execution_api/local", "local"]
+    , ["utils", "local_hermeticity"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "local"]
   }
@@ -17,10 +17,10 @@
   , "srcs": ["local_api.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/execution_api/local", "local"]
-    , ["test/buildtool/execution_api/common", "api_test"]
-    , ["test/utils", "local_hermeticity"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/execution_api/local", "local"]
+    , ["buildtool/execution_api/common", "api_test"]
+    , ["utils", "local_hermeticity"]
     ]
   , "stage": ["test", "buildtool", "execution_api", "local"]
   }
diff --git a/test/buildtool/execution_engine/dag/TARGETS b/test/buildtool/execution_engine/dag/TARGETS
index 95dff1fe..a6ac316a 100644
--- a/test/buildtool/execution_engine/dag/TARGETS
+++ b/test/buildtool/execution_engine/dag/TARGETS
@@ -4,10 +4,10 @@
   , "srcs": ["dag.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/execution_engine/dag", "dag"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/execution_engine/dag", "dag"]
     ]
   , "stage": ["test", "buildtool", "execution_engine", "dag"]
   }
diff --git a/test/buildtool/execution_engine/executor/TARGETS b/test/buildtool/execution_engine/executor/TARGETS
index e9f2bccd..a3e97d89 100644
--- a/test/buildtool/execution_engine/executor/TARGETS
+++ b/test/buildtool/execution_engine/executor/TARGETS
@@ -9,45 +9,45 @@
   , "name": ["executor"]
   , "srcs": ["executor.test.cpp"]
   , "private-deps":
-    [ ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/execution_api/common", "common"]
-    , ["src/buildtool/execution_engine/dag", "dag"]
-    , ["src/buildtool/execution_engine/executor", "executor"]
-    , ["test", "catch-main"]
+    [ ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/execution_api/common", "common"]
+    , ["@", "src", "src/buildtool/execution_engine/dag", "dag"]
+    , ["@", "src", "src/buildtool/execution_engine/executor", "executor"]
+    , ["", "catch-main"]
     , ["@", "catch2", "", "catch2"]
     ]
   , "stage": ["test", "buildtool", "execution_engine", "executor"]
   }
 , "local":
-  { "type": ["test/utils/remote_execution", "CC test"]
+  { "type": ["utils/remote_execution", "CC test"]
   , "name": ["local"]
   , "srcs": ["executor_api_local.test.cpp"]
   , "data": ["test_data"]
   , "private-deps":
     [ "executor_api_tests"
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/execution_api/local", "local"]
-    , ["src/buildtool/execution_api/remote", "config"]
-    , ["src/buildtool/execution_engine/dag", "dag"]
-    , ["src/buildtool/execution_engine/executor", "executor"]
-    , ["test/utils", "catch-main-remote-execution"]
-    , ["test/utils", "local_hermeticity"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/execution_api/local", "local"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "config"]
+    , ["@", "src", "src/buildtool/execution_engine/dag", "dag"]
+    , ["@", "src", "src/buildtool/execution_engine/executor", "executor"]
+    , ["utils", "catch-main-remote-execution"]
+    , ["utils", "local_hermeticity"]
     , ["@", "catch2", "", "catch2"]
     ]
   , "stage": ["test", "buildtool", "execution_engine", "executor"]
   }
 , "remote_bazel":
-  { "type": ["test/utils/remote_execution", "CC test"]
+  { "type": ["utils/remote_execution", "CC test"]
   , "name": ["remote_bazel"]
   , "srcs": ["executor_api_remote_bazel.test.cpp"]
   , "data": ["test_data"]
   , "private-deps":
     [ "executor_api_tests"
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/execution_api/remote", "bazel"]
-    , ["src/buildtool/execution_api/remote", "config"]
-    , ["src/buildtool/execution_engine/executor", "executor"]
-    , ["test/utils", "catch-main-remote-execution"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "bazel"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "config"]
+    , ["@", "src", "src/buildtool/execution_engine/executor", "executor"]
+    , ["utils", "catch-main-remote-execution"]
     , ["@", "catch2", "", "catch2"]
     ]
   , "stage": ["test", "buildtool", "execution_engine", "executor"]
diff --git a/test/buildtool/execution_engine/traverser/TARGETS b/test/buildtool/execution_engine/traverser/TARGETS
index 2b9ced2d..9f1e1387 100644
--- a/test/buildtool/execution_engine/traverser/TARGETS
+++ b/test/buildtool/execution_engine/traverser/TARGETS
@@ -4,11 +4,11 @@
   , "srcs": ["traverser.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/common", "artifact_factory"]
-    , ["src/buildtool/execution_engine/dag", "dag"]
-    , ["src/buildtool/execution_engine/traverser", "traverser"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/common", "artifact_factory"]
+    , ["@", "src", "src/buildtool/execution_engine/dag", "dag"]
+    , ["@", "src", "src/buildtool/execution_engine/traverser", "traverser"]
     ]
   , "stage": ["test", "buildtool", "execution_engine", "traverser"]
   }
diff --git a/test/buildtool/file_system/TARGETS b/test/buildtool/file_system/TARGETS
index d1caab19..ba00a11c 100644
--- a/test/buildtool/file_system/TARGETS
+++ b/test/buildtool/file_system/TARGETS
@@ -5,8 +5,8 @@
   , "data": ["test_data"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/file_system", "file_system_manager"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
     ]
   , "stage": ["test", "buildtool", "file_system"]
   }
@@ -16,10 +16,10 @@
   , "srcs": ["object_cas.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/crypto", "hash_function"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["test/utils", "local_hermeticity"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/crypto", "hash_function"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["utils", "local_hermeticity"]
     ]
   , "stage": ["test", "buildtool", "file_system"]
   }
@@ -30,11 +30,11 @@
   , "data": ["test_data"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/file_system", "git_tree"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["test/utils", "shell_quoting"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/file_system", "git_tree"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["utils", "shell_quoting"]
     ]
   , "stage": ["test", "buildtool", "file_system"]
   }
@@ -45,11 +45,11 @@
   , "data": ["test_data"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/common", "artifact_description"]
-    , ["src/buildtool/file_system", "file_root"]
-    , ["test/utils", "shell_quoting"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/common", "artifact_description"]
+    , ["@", "src", "src/buildtool/file_system", "file_root"]
+    , ["utils", "shell_quoting"]
     ]
   , "stage": ["test", "buildtool", "file_system"]
   }
@@ -60,11 +60,11 @@
   , "data": ["test_data"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/common", "artifact_description"]
-    , ["src/buildtool/file_system", "file_root"]
-    , ["test/utils", "shell_quoting"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/common", "artifact_description"]
+    , ["@", "src", "src/buildtool/file_system", "file_root"]
+    , ["utils", "shell_quoting"]
     ]
   , "stage": ["test", "buildtool", "file_system"]
   }
@@ -91,12 +91,12 @@
   , "data": ["test_data"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
+    , ["", "catch-main"]
     , ["@", "json", "", "json"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/buildtool/file_system", "git_repo"]
-    , ["src/utils/cpp", "atomic"]
-    , ["test/utils", "shell_quoting"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/buildtool/file_system", "git_repo"]
+    , ["@", "src", "src/utils/cpp", "atomic"]
+    , ["utils", "shell_quoting"]
     ]
   , "stage": ["test", "buildtool", "file_system"]
   }
diff --git a/test/buildtool/graph_traverser/TARGETS b/test/buildtool/graph_traverser/TARGETS
index db9d532e..22a8cc79 100644
--- a/test/buildtool/graph_traverser/TARGETS
+++ b/test/buildtool/graph_traverser/TARGETS
@@ -4,11 +4,11 @@
   , "hdrs": ["graph_traverser.test.hpp"]
   , "deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["src/buildtool/common", "common"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/buildtool/file_system", "jsonfs"]
-    , ["src/buildtool/graph_traverser", "graph_traverser"]
-    , ["test/utils", "test_env"]
+    , ["@", "src", "src/buildtool/common", "common"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/buildtool/file_system", "jsonfs"]
+    , ["@", "src", "src/buildtool/graph_traverser", "graph_traverser"]
+    , ["utils", "test_env"]
     ]
   , "stage": ["test", "buildtool", "graph_traverser"]
   }
@@ -20,26 +20,26 @@
   , "private-deps":
     [ "graph_traverser_tests"
     , ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "local_hermeticity"]
+    , ["", "catch-main"]
+    , ["utils", "local_hermeticity"]
     ]
   , "stage": ["test", "buildtool", "graph_traverser"]
   }
 , "graph_traverser_remote":
-  { "type": ["test/utils/remote_execution", "CC test"]
+  { "type": ["utils/remote_execution", "CC test"]
   , "name": ["graph_traverser_remote"]
   , "srcs": ["graph_traverser_remote.test.cpp"]
   , "data": ["test_data"]
   , "private-deps":
     [ "graph_traverser_tests"
     , ["@", "catch2", "", "catch2"]
-    , ["test/utils", "catch-main-remote-execution"]
+    , ["utils", "catch-main-remote-execution"]
     ]
   , "stage": ["test", "buildtool", "graph_traverser"]
   }
 , "test_data":
   { "type": ["@", "rules", "data", "staged"]
-  , "srcs": [["TREE", "test/buildtool/graph_traverser", "data"]]
+  , "srcs": [["TREE", null, "data"]]
   , "stage": ["test", "buildtool", "graph_traverser"]
   }
 , "TESTS":
diff --git a/test/buildtool/logging/TARGETS b/test/buildtool/logging/TARGETS
index c6046227..869ee786 100644
--- a/test/buildtool/logging/TARGETS
+++ b/test/buildtool/logging/TARGETS
@@ -4,8 +4,8 @@
   , "srcs": ["logger.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/logging", "logging"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/logging", "logging"]
     ]
   , "stage": ["test", "buildtool", "logging"]
   }
@@ -15,9 +15,9 @@
   , "srcs": ["log_sink_file.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/logging", "logging"]
-    , ["src/buildtool/file_system", "file_system_manager"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/logging", "logging"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
     ]
   , "stage": ["test", "buildtool", "logging"]
   , "private-ldflags": ["-pthread"]
diff --git a/test/buildtool/main/TARGETS b/test/buildtool/main/TARGETS
index e7305262..084fcb8e 100644
--- a/test/buildtool/main/TARGETS
+++ b/test/buildtool/main/TARGETS
@@ -4,8 +4,8 @@
   , "srcs": ["install_cas.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/main", "install_cas"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/main", "install_cas"]
     ]
   , "stage": ["test", "buildtool", "main"]
   }
diff --git a/test/buildtool/multithreading/TARGETS b/test/buildtool/multithreading/TARGETS
index 65f38330..c7b28d88 100644
--- a/test/buildtool/multithreading/TARGETS
+++ b/test/buildtool/multithreading/TARGETS
@@ -4,8 +4,8 @@
   , "srcs": ["task.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/multithreading", "task_system"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/multithreading", "task_system"]
     ]
   , "stage": ["test", "buildtool", "multithreading"]
   }
@@ -15,9 +15,9 @@
   , "srcs": ["task_system.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/multithreading", "task_system"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/multithreading", "task_system"]
     ]
   , "stage": ["test", "buildtool", "multithreading"]
   }
@@ -27,10 +27,10 @@
   , "srcs": ["async_map_node.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/multithreading", "async_map_node"]
-    , ["src/buildtool/multithreading", "task_system"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/multithreading", "async_map_node"]
+    , ["@", "src", "src/buildtool/multithreading", "task_system"]
     ]
   , "stage": ["test", "buildtool", "multithreading"]
   }
@@ -40,11 +40,11 @@
   , "srcs": ["async_map.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/multithreading", "async_map"]
-    , ["src/buildtool/multithreading", "async_map_node"]
-    , ["src/buildtool/multithreading", "task_system"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/multithreading", "async_map"]
+    , ["@", "src", "src/buildtool/multithreading", "async_map_node"]
+    , ["@", "src", "src/buildtool/multithreading", "task_system"]
     ]
   , "stage": ["test", "buildtool", "multithreading"]
   }
@@ -54,11 +54,11 @@
   , "srcs": ["async_map_consumer.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "container_matchers"]
-    , ["src/buildtool/multithreading", "async_map_consumer"]
-    , ["src/buildtool/multithreading", "async_map"]
-    , ["src/buildtool/multithreading", "task_system"]
+    , ["", "catch-main"]
+    , ["utils", "container_matchers"]
+    , ["@", "src", "src/buildtool/multithreading", "async_map_consumer"]
+    , ["@", "src", "src/buildtool/multithreading", "async_map"]
+    , ["@", "src", "src/buildtool/multithreading", "task_system"]
     ]
   , "stage": ["test", "buildtool", "multithreading"]
   }
diff --git a/test/buildtool/storage/TARGETS b/test/buildtool/storage/TARGETS
index abfab7b7..31e5ceb5 100644
--- a/test/buildtool/storage/TARGETS
+++ b/test/buildtool/storage/TARGETS
@@ -12,11 +12,11 @@
   { "type": ["@", "rules", "CC/test", "test"]
   , "name": ["local_cas"]
   , "srcs": ["local_cas.test.cpp"]
-  , "data": [["test/buildtool/storage", "test_data"]]
+  , "data": [["buildtool/storage", "test_data"]]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["test/utils", "local_hermeticity"]
+    , ["", "catch-main"]
+    , ["utils", "local_hermeticity"]
     ]
   , "stage": ["test", "buildtool", "storage"]
   }
@@ -26,9 +26,9 @@
   , "srcs": ["local_ac.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["test/utils", "local_hermeticity"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["utils", "local_hermeticity"]
     ]
   , "stage": ["test", "buildtool", "storage"]
   }
diff --git a/test/buildtool/system/TARGETS b/test/buildtool/system/TARGETS
index 952fe8d2..fb501d81 100644
--- a/test/buildtool/system/TARGETS
+++ b/test/buildtool/system/TARGETS
@@ -4,8 +4,8 @@
   , "srcs": ["system_command.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/system", "system_command"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/system", "system_command"]
     ]
   , "stage": ["test", "buildtool", "system"]
   }
diff --git a/test/end-to-end/RULES b/test/end-to-end/RULES
index af15181e..37434719 100644
--- a/test/end-to-end/RULES
+++ b/test/end-to-end/RULES
@@ -69,7 +69,7 @@
   , "implicit":
     { "runner": ["with_remote_test_runner.py"]
     , "summarizer": [["@", "rules", "shell/test", "test_summary.py"]]
-    , "just": [["", "just"]]
+    , "just": [["@", "src", "", "just"]]
     }
   , "imports":
     { "test-result": "test-result"
diff --git a/test/end-to-end/TARGETS b/test/end-to-end/TARGETS
index 74962cff..c0c59681 100644
--- a/test/end-to-end/TARGETS
+++ b/test/end-to-end/TARGETS
@@ -1,5 +1,7 @@
 { "tool-under-test":
-  {"type": "install", "files": {"bin/tool-under-test": [".", "just"]}}
+  { "type": "install"
+  , "files": {"bin/tool-under-test": ["@", "src", "", "just"]}
+  }
 , "mr-tool-under-test":
   { "type": "install"
   , "arguments_config": ["TEST_BOOTSTRAP_JUST_MR"]
@@ -7,14 +9,15 @@
     { "bin/mr-tool-under-test":
       { "type": "if"
       , "cond": {"type": "var", "name": "TEST_BOOTSTRAP_JUST_MR"}
-      , "then": ["", "bin/just-mr.py"]
-      , "else": [".", "just-mr"]
+      , "then": ["@", "src", "", "bin/just-mr.py"]
+      , "else": ["@", "src", "", "just-mr"]
       }
     }
   }
 , "git-import-under-test":
   { "type": "install"
-  , "files": {"bin/git-import-under-test": ["", "bin/just-import-git.py"]}
+  , "files":
+    {"bin/git-import-under-test": ["@", "src", "", "bin/just-import-git.py"]}
   }
 , "TESTS":
   { "type": "install"
diff --git a/test/end-to-end/actions/TARGETS b/test/end-to-end/actions/TARGETS
index f8aa354f..af77f119 100644
--- a/test/end-to-end/actions/TARGETS
+++ b/test/end-to-end/actions/TARGETS
@@ -3,20 +3,20 @@
   , "name": ["equality"]
   , "test": ["action-equality.sh"]
   , "keep": ["graph.json"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "trees":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["trees"]
   , "test": ["nested-trees.sh"]
   , "keep": ["blobs.json", "trees.json", "out/index.txt"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "conflicts":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["conflicts"]
   , "test": ["conflicts.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "TESTS":
   { "type": "install"
diff --git a/test/end-to-end/build-fails/TARGETS b/test/end-to-end/build-fails/TARGETS
index 05e2c957..991c1770 100644
--- a/test/end-to-end/build-fails/TARGETS
+++ b/test/end-to-end/build-fails/TARGETS
@@ -2,7 +2,7 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["single_fail_dep"]
   , "test": ["single_fail_dep.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "TESTS":
   {"type": "install", "tainted": ["test"], "deps": ["single_fail_dep"]}
diff --git a/test/end-to-end/built-in-rules/TARGETS b/test/end-to-end/built-in-rules/TARGETS
index 5b507f9d..e4322e15 100644
--- a/test/end-to-end/built-in-rules/TARGETS
+++ b/test/end-to-end/built-in-rules/TARGETS
@@ -2,19 +2,19 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["generic_out_dirs"]
   , "test": ["generic_out_dirs.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "filegen_config":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["filegen_config"]
   , "test": ["filegen_config.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "tree":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["tree"]
   , "test": ["tree.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "TESTS":
   { "type": "install"
diff --git a/test/end-to-end/cli/TARGETS b/test/end-to-end/cli/TARGETS
index dd7b0444..b45a0f10 100644
--- a/test/end-to-end/cli/TARGETS
+++ b/test/end-to-end/cli/TARGETS
@@ -2,7 +2,7 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["defaults"]
   , "test": ["defaults.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "TESTS": {"type": "install", "tainted": ["test"], "deps": ["defaults"]}
 }
diff --git a/test/end-to-end/execution-service/TARGETS b/test/end-to-end/execution-service/TARGETS
index f27220b9..a5ae6322 100644
--- a/test/end-to-end/execution-service/TARGETS
+++ b/test/end-to-end/execution-service/TARGETS
@@ -2,7 +2,7 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["simple_build"]
   , "test": ["simple_build.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "TESTS": {"type": "install", "tainted": ["test"], "deps": ["simple_build"]}
 }
diff --git a/test/end-to-end/gc/TARGETS b/test/end-to-end/gc/TARGETS
index 95091695..b80714cf 100644
--- a/test/end-to-end/gc/TARGETS
+++ b/test/end-to-end/gc/TARGETS
@@ -2,16 +2,14 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["basic"]
   , "test": ["basic.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "export":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["export"]
   , "test": ["export.sh"]
   , "deps":
-    [ ["test/end-to-end", "tool-under-test"]
-    , ["test/end-to-end", "mr-tool-under-test"]
-    ]
+    [["end-to-end", "tool-under-test"], ["end-to-end", "mr-tool-under-test"]]
   }
 , "TESTS":
   {"type": "install", "tainted": ["test"], "deps": ["basic", "export"]}
diff --git a/test/end-to-end/generated-binary/TARGETS b/test/end-to-end/generated-binary/TARGETS
index e19f97f3..f488090e 100644
--- a/test/end-to-end/generated-binary/TARGETS
+++ b/test/end-to-end/generated-binary/TARGETS
@@ -3,7 +3,7 @@
   , "name": ["shell"]
   , "test": ["shell-script.sh"]
   , "keep": ["out/out.txt"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "compile rules":
   {"type": "install", "files": {"RULES": "data/RULES.compiled"}}
@@ -12,7 +12,7 @@
   , "name": ["compiled"]
   , "test": ["compiled.sh"]
   , "keep": ["graph.json", "out/out.txt"]
-  , "deps": [["test/end-to-end", "tool-under-test"], "compile rules"]
+  , "deps": [["end-to-end", "tool-under-test"], "compile rules"]
   }
 , "TESTS":
   {"type": "install", "tainted": ["test"], "deps": ["shell", "compiled"]}
diff --git a/test/end-to-end/git-import/TARGETS b/test/end-to-end/git-import/TARGETS
index 4dc63805..0ff1522f 100644
--- a/test/end-to-end/git-import/TARGETS
+++ b/test/end-to-end/git-import/TARGETS
@@ -3,9 +3,9 @@
   , "name": ["chained-import"]
   , "test": ["chained-import.sh"]
   , "deps":
-    [ ["test/end-to-end", "git-import-under-test"]
-    , ["test/end-to-end", "mr-tool-under-test"]
-    , ["test/end-to-end", "tool-under-test"]
+    [ ["end-to-end", "git-import-under-test"]
+    , ["end-to-end", "mr-tool-under-test"]
+    , ["end-to-end", "tool-under-test"]
     ]
   }
 , "TESTS": {"type": "install", "tainted": ["test"], "deps": ["chained-import"]}
diff --git a/test/end-to-end/just-mr/TARGETS b/test/end-to-end/just-mr/TARGETS
index 4acce98f..2f44f962 100644
--- a/test/end-to-end/just-mr/TARGETS
+++ b/test/end-to-end/just-mr/TARGETS
@@ -2,22 +2,20 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["cas-independent"]
   , "test": ["cas-independent.sh"]
-  , "deps": [["test/end-to-end", "mr-tool-under-test"]]
+  , "deps": [["end-to-end", "mr-tool-under-test"]]
   }
 , "fetch":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["fetch"]
   , "test": ["fetch.sh"]
-  , "deps": [["test/end-to-end", "mr-tool-under-test"]]
+  , "deps": [["end-to-end", "mr-tool-under-test"]]
   }
 , "fetch-gc":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["fetch-gc"]
   , "test": ["fetch-gc.sh"]
   , "deps":
-    [ ["test/end-to-end", "mr-tool-under-test"]
-    , ["test/end-to-end", "tool-under-test"]
-    ]
+    [["end-to-end", "mr-tool-under-test"], ["end-to-end", "tool-under-test"]]
   }
 , "create_test_archives":
   { "type": ["@", "rules", "CC", "binary"]
@@ -25,10 +23,10 @@
   , "name": ["create_test_archives"]
   , "srcs": ["create_test_archives.cpp"]
   , "private-deps":
-    [ ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/buildtool/logging", "logging"]
-    , ["src/other_tools/utils", "archive_ops"]
-    , ["src/utils/cpp", "tmp_dir"]
+    [ ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/buildtool/logging", "logging"]
+    , ["@", "src", "src/other_tools/utils", "archive_ops"]
+    , ["@", "src", "src/utils/cpp", "tmp_dir"]
     ]
   , "private-ldflags": ["-pthread"]
   , "stage": ["src"]
@@ -39,30 +37,28 @@
   , "test": ["just-mr.test.sh"]
   , "deps":
     [ "create_test_archives"
-    , ["test/utils", "test_utils_install"]
-    , ["test/end-to-end", "mr-tool-under-test"]
+    , ["utils", "test_utils_install"]
+    , ["end-to-end", "mr-tool-under-test"]
     ]
   }
 , "git-tree-verbosity":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["git-tree-verbosity"]
   , "test": ["verbosity.sh"]
-  , "deps": [["test/end-to-end", "mr-tool-under-test"]]
+  , "deps": [["end-to-end", "mr-tool-under-test"]]
   }
 , "defaults":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["default-values"]
   , "test": ["defaults.sh"]
-  , "deps": [["test/end-to-end", "mr-tool-under-test"]]
+  , "deps": [["end-to-end", "mr-tool-under-test"]]
   }
 , "install-roots":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["install-roots"]
   , "test": ["install-roots.sh"]
   , "deps":
-    [ ["test/end-to-end", "mr-tool-under-test"]
-    , ["test/end-to-end", "tool-under-test"]
-    ]
+    [["end-to-end", "mr-tool-under-test"], ["end-to-end", "tool-under-test"]]
   }
 , "TESTS":
   { "type": "install"
diff --git a/test/end-to-end/remote-execution/TARGETS b/test/end-to-end/remote-execution/TARGETS
index 81ec99e0..5917f55b 100644
--- a/test/end-to-end/remote-execution/TARGETS
+++ b/test/end-to-end/remote-execution/TARGETS
@@ -1,29 +1,27 @@
 { "native-protocol":
-  { "type": ["test/end-to-end", "with remote"]
+  { "type": ["end-to-end", "with remote"]
   , "name": ["native-protocol"]
   , "test": ["native-protocol.sh"]
   , "deps":
-    [ ["test/end-to-end", "tool-under-test"]
-    , ["test/end-to-end", "mr-tool-under-test"]
-    ]
+    [["end-to-end", "tool-under-test"], ["end-to-end", "mr-tool-under-test"]]
   }
 , "large-blobs":
-  { "type": ["test/end-to-end", "with remote"]
+  { "type": ["end-to-end", "with remote"]
   , "name": ["large-blobs"]
   , "test": ["large-blobs.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "upload-test":
-  { "type": ["test/end-to-end", "with remote"]
+  { "type": ["end-to-end", "with remote"]
   , "name": ["upload-test"]
   , "test": ["upload-test.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "install":
-  { "type": ["test/end-to-end", "with remote"]
+  { "type": ["end-to-end", "with remote"]
   , "name": ["install"]
   , "test": ["install.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "TESTS":
   { "type": "install"
diff --git a/test/end-to-end/target-cache/TARGETS b/test/end-to-end/target-cache/TARGETS
index fb3b42b9..b2e14a55 100644
--- a/test/end-to-end/target-cache/TARGETS
+++ b/test/end-to-end/target-cache/TARGETS
@@ -1,25 +1,23 @@
 { "target-cache-hit":
-  { "type": ["test/end-to-end", "with remote"]
+  { "type": ["end-to-end", "with remote"]
   , "name": ["target-cache-hit"]
   , "test": ["target-cache-hit.sh"]
   , "deps":
-    [ ["test/end-to-end", "tool-under-test"]
-    , ["test/end-to-end", "mr-tool-under-test"]
-    ]
+    [["end-to-end", "tool-under-test"], ["end-to-end", "mr-tool-under-test"]]
   }
 , "artifacts-sync":
-  { "type": ["test/end-to-end", "with remote"]
+  { "type": ["end-to-end", "with remote"]
   , "name": ["artifacts-sync"]
   , "test": ["artifacts-sync.sh"]
   , "deps":
-    [ ["test/end-to-end", "tool-under-test"]
+    [ ["end-to-end", "tool-under-test"]
     , ["./", "test-data-artifacts-sync", "greetlib"]
     , ["./", "test-data-artifacts-sync", "pydicts"]
     , "bootstrap-src-staged"
     ]
   }
 , "bootstrap-src-staged":
-  {"type": "install", "dirs": [[["", "bootstrap-src"], "foo"]]}
+  {"type": "install", "dirs": [[["@", "src", "", "bootstrap-src"], "foo"]]}
 , "TESTS":
   { "type": "install"
   , "tainted": ["test"]
diff --git a/test/end-to-end/targets/TARGETS b/test/end-to-end/targets/TARGETS
index 13de53ad..d45db9eb 100644
--- a/test/end-to-end/targets/TARGETS
+++ b/test/end-to-end/targets/TARGETS
@@ -2,37 +2,37 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["upwards"]
   , "test": ["upwards.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "repository naming":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["repo_names"]
   , "test": ["repo_names.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "resolution of built-in rules":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["built-in-resolution"]
   , "test": ["built-in-resolution.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "glob expansion":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["glob"]
   , "test": ["glob.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "configure target name":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["configure-target"]
   , "test": ["configure-target.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "configure variables":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["configure-vars"]
   , "test": ["configure-vars.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "TESTS":
   { "type": "install"
diff --git a/test/end-to-end/user-errors/TARGETS b/test/end-to-end/user-errors/TARGETS
index f12f6151..4a3c4e90 100644
--- a/test/end-to-end/user-errors/TARGETS
+++ b/test/end-to-end/user-errors/TARGETS
@@ -2,13 +2,13 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["flat-stage"]
   , "test": ["flat-stage.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "json-errors":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["json-errors"]
   , "test": ["json-errors.sh"]
-  , "deps": [["test/end-to-end", "tool-under-test"]]
+  , "deps": [["end-to-end", "tool-under-test"]]
   }
 , "TESTS":
   { "type": "install"
diff --git a/test/other_tools/git_operations/TARGETS b/test/other_tools/git_operations/TARGETS
index a20409c1..a546a76e 100644
--- a/test/other_tools/git_operations/TARGETS
+++ b/test/other_tools/git_operations/TARGETS
@@ -5,12 +5,12 @@
   , "srcs": ["critical_git_ops.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
+    , ["", "catch-main"]
     , ["@", "json", "", "json"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/other_tools/ops_maps", "critical_git_op_map"]
-    , ["src/buildtool/execution_api/common", "common"]
-    , ["test/utils", "shell_quoting"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/other_tools/ops_maps", "critical_git_op_map"]
+    , ["@", "src", "src/buildtool/execution_api/common", "common"]
+    , ["utils", "shell_quoting"]
     ]
   , "stage": ["test", "other_tools", "git_operations"]
   }
@@ -19,23 +19,21 @@
   , "name": ["critical_git_ops_mp"]
   , "test": ["critical_git_ops_mp.sh"]
   , "deps":
-    [ ["test/buildtool/file_system", "test_data"]
-    , "critical_git_ops_test_install"
-    ]
+    [["buildtool/file_system", "test_data"], "critical_git_ops_test_install"]
   }
 , "git_repo_remote":
   { "type": ["@", "rules", "CC/test", "test"]
   , "name": ["git_repo_remote"]
   , "srcs": ["git_repo_remote.test.cpp"]
-  , "data": [["test/buildtool/file_system", "test_data"]]
+  , "data": [["buildtool/file_system", "test_data"]]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
+    , ["", "catch-main"]
     , ["@", "json", "", "json"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/other_tools/git_operations", "git_repo_remote"]
-    , ["src/utils/cpp", "atomic"]
-    , ["test/utils", "shell_quoting"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/other_tools/git_operations", "git_repo_remote"]
+    , ["@", "src", "src/utils/cpp", "atomic"]
+    , ["utils", "shell_quoting"]
     ]
   , "stage": ["test", "other_tools", "git_operations"]
   }
@@ -45,12 +43,12 @@
   , "name": ["git_config_run_test"]
   , "srcs": ["git_config_run.test.cpp"]
   , "private-deps":
-    [ ["", "libgit2"]
-    , ["src/other_tools/git_operations", "git_config_settings"]
-    , ["src/buildtool/file_system", "git_utils"]
-    , ["src/buildtool/file_system", "git_context"]
-    , ["src/buildtool/logging", "logging"]
-    , ["test/utils", "log_config"]
+    [ ["@", "src", "", "libgit2"]
+    , ["@", "src", "src/other_tools/git_operations", "git_config_settings"]
+    , ["@", "src", "src/buildtool/file_system", "git_utils"]
+    , ["@", "src", "src/buildtool/file_system", "git_context"]
+    , ["@", "src", "src/buildtool/logging", "logging"]
+    , ["utils", "log_config"]
     ]
   , "stage": ["src"]
   }
diff --git a/test/other_tools/utils/TARGETS b/test/other_tools/utils/TARGETS
index 42d243f5..11bb619b 100644
--- a/test/other_tools/utils/TARGETS
+++ b/test/other_tools/utils/TARGETS
@@ -4,10 +4,10 @@
   , "srcs": ["archive_usage.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["", "libarchive"]
-    , ["src/other_tools/utils", "archive_ops"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "", "libarchive"]
+    , ["@", "src", "src/other_tools/utils", "archive_ops"]
     ]
   , "stage": ["test", "other_tools", "utils"]
   }
@@ -18,10 +18,10 @@
   , "srcs": ["curl_usage.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/other_tools/utils", "curl_context"]
-    , ["src/other_tools/utils", "curl_easy_handle"]
-    , ["src/buildtool/file_system", "file_system_manager"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/other_tools/utils", "curl_context"]
+    , ["@", "src", "src/other_tools/utils", "curl_easy_handle"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
     ]
   , "stage": ["test", "other_tools", "utils"]
   }
@@ -29,7 +29,7 @@
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["curl_usage"]
   , "test": ["curl_usage_test.sh"]
-  , "deps": [["test/utils", "test_utils_install"], "curl_usage_install"]
+  , "deps": [["utils", "test_utils_install"], "curl_usage_install"]
   }
 , "curl_url":
   { "type": ["@", "rules", "CC/test", "test"]
@@ -37,8 +37,8 @@
   , "srcs": ["curl_url.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/other_tools/utils", "curl_url_handle"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/other_tools/utils", "curl_url_handle"]
     ]
   , "stage": ["test", "other_tools", "utils"]
   }
diff --git a/test/utils/TARGETS b/test/utils/TARGETS
index fd94f48c..c8fe2f19 100644
--- a/test/utils/TARGETS
+++ b/test/utils/TARGETS
@@ -11,7 +11,7 @@
   , "hdrs": ["remote_execution/bazel_action_creator.hpp"]
   , "deps":
     [ ["@", "gsl", "", "gsl"]
-    , ["src/buildtool/execution_api/remote", "bazel_network"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "bazel_network"]
     ]
   , "stage": ["test", "utils"]
   }
@@ -19,7 +19,7 @@
   { "type": ["@", "rules", "CC", "library"]
   , "name": ["log_config"]
   , "hdrs": ["logging/log_config.hpp"]
-  , "deps": [["src/buildtool/logging", "logging"]]
+  , "deps": [["@", "src", "src/buildtool/logging", "logging"]]
   , "stage": ["test", "utils"]
   }
 , "test_env":
@@ -28,8 +28,8 @@
   , "hdrs": ["test_env.hpp"]
   , "deps":
     [ "log_config"
-    , ["src/buildtool/compatibility", "compatibility"]
-    , ["src/buildtool/auth", "auth"]
+    , ["@", "src", "src/buildtool/compatibility", "compatibility"]
+    , ["@", "src", "src/buildtool/auth", "auth"]
     ]
   , "stage": ["test", "utils"]
   }
@@ -38,11 +38,11 @@
   , "name": ["local_hermeticity"]
   , "hdrs": ["hermeticity/local.hpp"]
   , "deps":
-    [ ["src/buildtool/common", "common"]
-    , ["src/buildtool/execution_api/local", "config"]
-    , ["src/buildtool/execution_api/local", "local"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/buildtool/logging", "logging"]
+    [ ["@", "src", "src/buildtool/common", "common"]
+    , ["@", "src", "src/buildtool/execution_api/local", "config"]
+    , ["@", "src", "src/buildtool/execution_api/local", "local"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/buildtool/logging", "logging"]
     ]
   , "stage": ["test", "utils"]
   }
@@ -52,10 +52,10 @@
   , "srcs": ["remote_execution/main-remote-execution.cpp"]
   , "deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["src/buildtool/execution_api/remote", "config"]
-    , ["src/buildtool/storage", "storage"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/buildtool/compatibility", "compatibility"]
+    , ["@", "src", "src/buildtool/execution_api/remote", "config"]
+    , ["@", "src", "src/buildtool/storage", "storage"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/buildtool/compatibility", "compatibility"]
     , "log_config"
     , "test_env"
     ]
@@ -64,7 +64,7 @@
 , "test_utils_install":
   { "type": "install"
   , "tainted": ["test"]
-  , "files": {"utils/run_test_server.py": ["test/utils", "run_test_server.py"]}
+  , "files": {"utils/run_test_server.py": "run_test_server.py"}
   }
 , "shell_quoting":
   { "type": ["@", "rules", "CC", "library"]
diff --git a/test/utils/cpp/TARGETS b/test/utils/cpp/TARGETS
index 16daa3c7..702172b4 100644
--- a/test/utils/cpp/TARGETS
+++ b/test/utils/cpp/TARGETS
@@ -4,8 +4,8 @@
   , "srcs": ["path.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/utils/cpp", "path"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/utils/cpp", "path"]
     ]
   , "stage": ["test", "utils", "cpp"]
   }
@@ -15,10 +15,10 @@
   , "srcs": ["file_locking.test.cpp"]
   , "private-deps":
     [ ["@", "catch2", "", "catch2"]
-    , ["test", "catch-main"]
-    , ["src/buildtool/file_system", "file_system_manager"]
-    , ["src/utils/cpp", "file_locking"]
-    , ["src/utils/cpp", "atomic"]
+    , ["", "catch-main"]
+    , ["@", "src", "src/buildtool/file_system", "file_system_manager"]
+    , ["@", "src", "src/utils/cpp", "file_locking"]
+    , ["@", "src", "src/utils/cpp", "atomic"]
     ]
   , "stage": ["test", "utils", "cpp"]
   , "private-ldflags": ["-pthread"]
diff --git a/test/utils/remote_execution/RULES b/test/utils/remote_execution/RULES
index 340fc83b..ea1057ba 100644
--- a/test/utils/remote_execution/RULES
+++ b/test/utils/remote_execution/RULES
@@ -29,7 +29,7 @@
   , "implicit":
     { "defaults": [["@", "rules", "CC", "defaults"]]
     , "runner": ["test_runner.py"]
-    , "just": [["", "just"]]
+    , "just": [["@", "src", "", "just"]]
     }
   , "field_doc":
     { "name":