From f4b9ff40b8f1612571cc711560177af240d034d0 Mon Sep 17 00:00:00 2001
From: dannark <dannark@google.com>
Date: Tue, 12 Jun 2018 09:28:45 -0700
Subject: Remap repository names inside load statements in BUILD files if the
 repository name is remapped.

For example if main/WORKSPACE contains:
local_repository(
    name = "a",
    path = "../a",
    repo_mapping = {"@x" : "@y"},
)

a/BUILD
load("@x//:sample.bzl", "sample")

Then the load in a/BUILD will be resolved as "@y//:sample.bzl"

RELNOTES: None
PiperOrigin-RevId: 200227431
---
 src/test/shell/bazel/workspace_test.sh | 37 ++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'src/test/shell')

diff --git a/src/test/shell/bazel/workspace_test.sh b/src/test/shell/bazel/workspace_test.sh
index 7addf93a08..a308c2adb0 100755
--- a/src/test/shell/bazel/workspace_test.sh
+++ b/src/test/shell/bazel/workspace_test.sh
@@ -381,4 +381,41 @@ EOF
   expect_log "@flower//daisy:daisy"
 }
 
+function test_repository_mapping_in_build_file_load() {
+  # Main repo assigns @x to @y within @a
+  mkdir -p main
+  cat > main/WORKSPACE <<EOF
+workspace(name = "main")
+
+local_repository(name = "a", path="../a", repo_mapping = {"@x" : "@y"})
+local_repository(name = "y", path="../y")
+EOF
+  touch main/BUILD
+
+  # Repository y is a substitute for x
+  mkdir -p y
+  touch y/WORKSPACE
+  touch y/BUILD
+  cat > y/symbol.bzl <<EOF
+Y_SYMBOL = "y_symbol"
+EOF
+
+  # Repository a refers to @x
+  mkdir -p a
+  touch a/WORKSPACE
+  cat > a/BUILD<<EOF
+load("@x//:symbol.bzl", "Y_SYMBOL")
+genrule(name = "a",
+        outs = ["result.txt"],
+        cmd = "echo %s > \$(location result.txt);" % (Y_SYMBOL)
+)
+EOF
+
+  cd main
+  bazel build --experimental_enable_repo_mapping @a//:a || fail "Expected build to succeed"
+  cat bazel-genfiles/external/a/result.txt
+  grep "y_symbol" bazel-genfiles/external/a/result.txt \
+      || fail "expected 'y_symbol' in $(cat bazel-genfiles/external/a/result.txt)"
+}
+
 run_suite "workspace tests"
-- 
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