adding html_support

Author: EdbertChan

rules/impl.bzl

@@ -20,6 +20,7 @@ def _run_android_lint(
         android_lint,
         module_name,
         output,
+        html_output,
         srcs,
         deps,
         resource_files,
@@ -63,7 +64,7 @@ def _run_android_lint(
         android_lint_skip_bytecode_verifier: Disables bytecode verification
     """
     inputs = []
-    outputs = [output]
+    outputs = [output, html_output]
 
     args = ctx.actions.args()
     args.set_param_file_format("multiline")
@@ -118,6 +119,13 @@ def _run_android_lint(
     args.add("--output", output)
     outputs.append(output)
 
+    args.add("--html-output", html_output)
+    outputs.append(html_output)
+
+    label = ctx.attr.android_home.label
+    if ctx.attr.android_home:
+        args.add("--android_home", label.workspace_root)
+
     ctx.actions.run(
         mnemonic = "AndroidLint",
         inputs = inputs,
@@ -198,11 +206,13 @@ def process_android_lint_issues(ctx, regenerate):
         )
 
     output = ctx.actions.declare_file("{}.xml".format(ctx.label.name))
+    html_output = ctx.actions.declare_file("{}.html".format(ctx.label.name))
     _run_android_lint(
         ctx,
         android_lint = _utils.only(_utils.list_or_depset_to_list(_utils.get_android_lint_toolchain(ctx).android_lint.files)),
         module_name = _get_module_name(ctx),
         output = output,
+        html_output = html_output,
         srcs = ctx.files.srcs,
         deps = depset(transitive = deps),
         resource_files = ctx.files.resource_files,

src/cli/AndroidLintActionArgs.kt

@@ -38,6 +38,12 @@ internal class AndroidLintActionArgs(
     transform = argsParserPathTransformer,
   )
 
+  val htmlOutput: Path by parser.storing(
+    names = arrayOf("--html-output"),
+    help = "",
+    transform = argsParserPathTransformer,
+  )
+
   val resources: List<Path> by parser.adding(
     names = arrayOf("--resource"),
     help = "",

src/cli/AndroidLintRunner.kt

@@ -97,6 +97,8 @@ internal class AndroidLintRunner {
       projectFilePath.pathString,
       "--xml",
       actionArgs.output.pathString,
+      "--html",
+      actionArgs.htmlOutput.pathString,
       "--exitcode",
       "--compile-sdk-version",
       actionArgs.compileSdkVersion,