1 files changed, 25 insertions, 0 deletions
diff --git a/local_repository_defs.bzl b/local_repository_defs.bzl
new file mode 100644
index 0000000..3c9b348
--- /dev/null
+++ b/local_repository_defs.bzl
@@ -0,0 +1,25 @@
+_bouncycastle_jar_rule = """
+java_import(
+    name = "bouncycastle_jar",
+    jars = ["bouncycastle.jar"],
+    visibility = ["//visibility:public"],
+ )
+"""
+
+# TODO(ekasper): implement environment invalidation once supported by bazel,
+# see https://bazel.build/designs/2016/10/18/repository-invalidation.html
+# Meanwhile, users have to call 'bazel clean' explicitly when the
+# environment changes.
+def _local_jars_impl(repository_ctx):
+  contents = ""
+  if "WYCHEPROOF_BOUNCYCASTLE_JAR" in repository_ctx.os.environ:
+    repository_ctx.symlink(repository_ctx.os.environ["WYCHEPROOF_BOUNCYCASTLE_JAR"],
+                           "bouncycastle.jar")
+    contents += _bouncycastle_jar_rule
+
+  repository_ctx.file("BUILD", contents)
+
+local_jars = repository_rule(
+    implementation = _local_jars_impl,
+    local = True
+)