diff --git a/buildkite/bazelci.py b/buildkite/bazelci.py
index 12e569f..4817a66 100755
--- a/buildkite/bazelci.py
+++ b/buildkite/bazelci.py
@@ -85,91 +85,82 @@
 DOWNSTREAM_PROJECTS_PRODUCTION = {
     "Android Studio Plugin": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/master/.bazelci/android-studio.yml",
+        "file_config": ".bazelci/android-studio.yml",
         "pipeline_slug": "android-studio-plugin",
     },
     "Android Studio Plugin Google": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/google/.bazelci/android-studio.yml",
+        "file_config": ".bazelci/android-studio.yml",
         "pipeline_slug": "android-studio-plugin-google",
     },
     "Android Testing": {
         "git_repository": "https://github.com/googlesamples/android-testing.git",
-        "http_config": "https://raw.githubusercontent.com/googlesamples/android-testing/master/bazelci/buildkite-pipeline.yml",
+        "file_config": "bazelci/buildkite-pipeline.yml",
         "pipeline_slug": "android-testing",
         "disabled_reason": "https://github.com/android/testing-samples/issues/417",
     },
     "Bazel": {
         "git_repository": "https://github.com/bazelbuild/bazel.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/bazel/master/.bazelci/postsubmit.yml",
+        "file_config": ".bazelci/postsubmit.yml",
         "pipeline_slug": "bazel-bazel",
     },
     "Bazel Bench": {
         "git_repository": "https://github.com/bazelbuild/bazel-bench.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/bazel-bench/master/.bazelci/postsubmit.yml",
+        "file_config": ".bazelci/postsubmit.yml",
         "pipeline_slug": "bazel-bench",
     },
     "Bazel Codelabs": {
         "git_repository": "https://github.com/bazelbuild/codelabs.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/codelabs/master/.bazelci/presubmit.yml",
         "pipeline_slug": "bazel-codelabs",
         "disabled_reason": "https://github.com/bazelbuild/codelabs/issues/38",
     },
     "Bazel Examples": {
         "git_repository": "https://github.com/bazelbuild/examples.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/examples/master/.bazelci/presubmit.yml",
         "pipeline_slug": "bazel-bazel-examples",
     },
     "Bazel Remote Cache": {
         "git_repository": "https://github.com/buchgr/bazel-remote.git",
-        "http_config": "https://raw.githubusercontent.com/buchgr/bazel-remote/master/.bazelci/presubmit.yml",
         "pipeline_slug": "bazel-remote-cache",
     },
     "Bazel skylib": {
         "git_repository": "https://github.com/bazelbuild/bazel-skylib.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/bazel-skylib/main/.bazelci/presubmit.yml",
         "pipeline_slug": "bazel-skylib",
         "owned_by_bazel": True,
     },
     "Bazel toolchains": {
         "git_repository": "https://github.com/bazelbuild/bazel-toolchains.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/bazel-toolchains/master/.bazelci/presubmit.yml",
         "pipeline_slug": "bazel-toolchains",
     },
     "Bazel watcher": {
         "git_repository": "https://github.com/bazelbuild/bazel-watcher.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/bazel-watcher/master/.bazelci/presubmit.yml",
         "pipeline_slug": "bazel-watcher",
         "disabled_reason": "https://github.com/bazelbuild/bazel-watcher/issues/590",
     },
     "Bazelisk": {
         "git_repository": "https://github.com/bazelbuild/bazelisk.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/bazelisk/master/.bazelci/config.yml",
+        "file_config": ".bazelci/config.yml",
         "pipeline_slug": "bazelisk",
     },
     "Buildfarm": {
         "git_repository": "https://github.com/bazelbuild/bazel-buildfarm.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/bazel-buildfarm/main/.bazelci/presubmit.yml",
         "pipeline_slug": "buildfarm-farmer",
     },
     "Buildtools": {
         "git_repository": "https://github.com/bazelbuild/buildtools.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/buildtools/master/.bazelci/presubmit.yml",
         "pipeline_slug": "buildtools",
     },
     "CLion Plugin": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/master/.bazelci/clion.yml",
+        "file_config": ".bazelci/clion.yml",
         "pipeline_slug": "clion-plugin",
     },
     "CLion Plugin Google": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/google/.bazelci/clion.yml",
+        "file_config": ".bazelci/clion.yml",
         "pipeline_slug": "clion-plugin-google",
     },
     "Cartographer": {
         "git_repository": "https://github.com/googlecartographer/cartographer.git",
-        "http_config": "https://raw.githubusercontent.com/googlecartographer/cartographer/master/.bazelci/presubmit.yml",
         "pipeline_slug": "cartographer",
     },
     "Cloud Robotics Core": {
@@ -179,12 +170,10 @@
     },
     "Envoy": {
         "git_repository": "https://github.com/envoyproxy/envoy.git",
-        "http_config": "https://raw.githubusercontent.com/envoyproxy/envoy/main/.bazelci/presubmit.yml",
         "pipeline_slug": "envoy",
     },
     "FlatBuffers": {
         "git_repository": "https://github.com/google/flatbuffers.git",
-        "http_config": "https://raw.githubusercontent.com/google/flatbuffers/master/.bazelci/presubmit.yml",
         "pipeline_slug": "flatbuffers",
         "disabled_reason": "https://github.com/google/flatbuffers/issues/7992",
     },
@@ -200,42 +189,40 @@
     },
     "Google Logging": {
         "git_repository": "https://github.com/google/glog.git",
-        "http_config": "https://raw.githubusercontent.com/google/glog/master/.bazelci/presubmit.yml",
         "pipeline_slug": "google-logging",
     },
     "IntelliJ Plugin": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/master/.bazelci/intellij.yml",
+        "file_config": ".bazelci/intellij.yml",
         "pipeline_slug": "intellij-plugin",
     },
     "IntelliJ Plugin Google": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/google/.bazelci/intellij.yml",
+        "file_config": ".bazelci/intellij.yml",
         "pipeline_slug": "intellij-plugin-google",
     },
     "IntelliJ UE Plugin": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/master/.bazelci/intellij-ue.yml",
+        "file_config": ".bazelci/intellij-ue.yml",
         "pipeline_slug": "intellij-ue-plugin",
     },
     "IntelliJ UE Plugin Google": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/google/.bazelci/intellij-ue.yml",
+        "file_config": ".bazelci/intellij-ue.yml",
         "pipeline_slug": "intellij-ue-plugin-google",
     },
     "IntelliJ Plugin Aspect": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/master/.bazelci/aspect.yml",
+        "file_config": ".bazelci/aspect.yml",
         "pipeline_slug": "intellij-plugin-aspect",
     },
     "IntelliJ Plugin Aspect Google": {
         "git_repository": "https://github.com/bazelbuild/intellij.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/google/.bazelci/aspect.yml",
+        "file_config": ".bazelci/aspect.yml",
         "pipeline_slug": "intellij-plugin-aspect-google",
     },
     "Kythe": {
         "git_repository": "https://github.com/kythe/kythe.git",
-        "http_config": "https://raw.githubusercontent.com/kythe/kythe/master/.bazelci/presubmit.yml",
         "pipeline_slug": "kythe",
     },
     "Protobuf": {
@@ -246,17 +233,9 @@
     },
     "Stardoc": {
         "git_repository": "https://github.com/bazelbuild/stardoc.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/stardoc/master/.bazelci/presubmit.yml",
         "pipeline_slug": "stardoc",
         "owned_by_bazel": True,
     },
-    "Subpar": {
-        "git_repository": "https://github.com/google/subpar.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/pipelines/subpar.yml",
-        "pipeline_slug": "subpar",
-        "owned_by_bazel": True,
-        "disabled_reason": "https://github.com/google/subpar/issues/133",
-    },
     "TensorFlow": {
         "git_repository": "https://github.com/tensorflow/tensorflow.git",
         "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/pipelines/tensorflow.yml",
@@ -270,154 +249,118 @@
     },
     "rules_android": {
         "git_repository": "https://github.com/bazelbuild/rules_android.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_android/main/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-android",
     },
     "rules_android_ndk": {
         "git_repository": "https://github.com/bazelbuild/rules_android_ndk.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_android_ndk/main/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-android-ndk",
     },
-    "rules_appengine": {
-        "git_repository": "https://github.com/bazelbuild/rules_appengine.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_appengine/master/.bazelci/presubmit.yml",
-        "pipeline_slug": "rules-appengine-appengine",
-        "disabled_reason": "https://github.com/bazelbuild/rules_appengine/issues/127",
-    },
     "rules_apple": {
         "git_repository": "https://github.com/bazelbuild/rules_apple.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_apple/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-apple-darwin",
     },
     "rules_cc": {
         "git_repository": "https://github.com/bazelbuild/rules_cc.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_cc/main/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-cc",
         "owned_by_bazel": True,
     },
     "rules_closure": {
         "git_repository": "https://github.com/bazelbuild/rules_closure.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_closure/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-closure-closure-compiler",
         "owned_by_bazel": True,
     },
     "rules_dotnet": {
         "git_repository": "https://github.com/bazelbuild/rules_dotnet.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_dotnet/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-dotnet-edge",
     },
     "rules_foreign_cc": {
         "git_repository": "https://github.com/bazelbuild/rules_foreign_cc.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_foreign_cc/main/.bazelci/config.yaml",
+        "file_config": ".bazelci/config.yaml",
         "pipeline_slug": "rules-foreign-cc",
         "owned_by_bazel": True,
     },
     "rules_go": {
         "git_repository": "https://github.com/bazelbuild/rules_go.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_go/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-go-golang",
     },
     "rules_groovy": {
         "git_repository": "https://github.com/bazelbuild/rules_groovy.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_groovy/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-groovy",
     },
     "rules_gwt": {
         "git_repository": "https://github.com/bazelbuild/rules_gwt.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_gwt/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-gwt",
         "disabled_reason": "https://github.com/bazelbuild/continuous-integration/issues/1202",
     },
     "rules_haskell": {
         "git_repository": "https://github.com/tweag/rules_haskell.git",
-        "http_config": "https://raw.githubusercontent.com/tweag/rules_haskell/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-haskell-haskell",
     },
     "rules_jsonnet": {
         "git_repository": "https://github.com/bazelbuild/rules_jsonnet.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_jsonnet/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-jsonnet",
     },
     "rules_jvm_external": {
         "git_repository": "https://github.com/bazelbuild/rules_jvm_external.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_jvm_external/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-jvm-external",
         "owned_by_bazel": True,
     },
     "rules_jvm_external - examples": {
         "git_repository": "https://github.com/bazelbuild/rules_jvm_external.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_jvm_external/master/.bazelci/examples.yml",
+        "file_config": ".bazelci/examples.yml",
         "pipeline_slug": "rules-jvm-external-examples",
         "owned_by_bazel": True,
     },
-    "rules_k8s": {
-        "git_repository": "https://github.com/bazelbuild/rules_k8s.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_k8s/master/.bazelci/presubmit.yml",
-        "pipeline_slug": "rules-k8s-k8s",
-        "disabled_reason": "https://github.com/bazelbuild/rules_k8s/issues/668",
-    },
     "rules_kotlin": {
         "git_repository": "https://github.com/bazelbuild/rules_kotlin.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_kotlin/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-kotlin-kotlin",
     },
     "rules_nodejs": {
         "git_repository": "https://github.com/bazelbuild/rules_nodejs.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_nodejs/main/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-nodejs-nodejs",
     },
     "rules_perl": {
         "git_repository": "https://github.com/bazelbuild/rules_perl.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_perl/main/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-perl",
     },
     "rules_proto": {
         "git_repository": "https://github.com/bazelbuild/rules_proto.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_proto/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-proto",
         "owned_by_bazel": True,
     },
     "rules_python": {
         "git_repository": "https://github.com/bazelbuild/rules_python.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_python/main/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-python-python",
         "owned_by_bazel": True,
     },
     "rules_rust": {
         "git_repository": "https://github.com/bazelbuild/rules_rust.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_rust/main/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-rust-rustlang",
     },
     "rules_sass": {
         "git_repository": "https://github.com/bazelbuild/rules_sass.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_sass/main/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-sass",
     },
     "rules_scala": {
         "git_repository": "https://github.com/bazelbuild/rules_scala.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_scala/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-scala-scala",
         "disabled_reason": "waiting on https://github.com/bazelbuild/rules_scala/pull/1422",
     },
     "rules_swift": {
         "git_repository": "https://github.com/bazelbuild/rules_swift.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_swift/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-swift-swift",
     },
     "rules_testing": {
         "git_repository": "https://github.com/bazelbuild/rules_testing.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_testing/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-testing",
         "owned_by_bazel": True,
     },
     "rules_webtesting": {
         "git_repository": "https://github.com/bazelbuild/rules_webtesting.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_webtesting/master/.bazelci/presubmit.yml",
         "pipeline_slug": "rules-webtesting-saucelabs",
     },
     "upb": {
         "git_repository": "https://github.com/protocolbuffers/upb.git",
-        "http_config": "https://raw.githubusercontent.com/protocolbuffers/upb/master/.bazelci/presubmit.yml",
         "pipeline_slug": "upb",
         "disabled_reason": "https://github.com/protocolbuffers/upb/issues/1290",
     },