Update script to build maven artifact for desugar_jdk_libs

This reverts commit 24396cba2b70c73c127258bebfe0b490095aa727, as the
custom conversion classes have moved to desugar_jdk_libs_configuration.

Also updates script to handle comments in VERSION.txt file.

Bug: 145393922
Change-Id: Ia395e61009ef6066e7bca7787bdef0e7ff32deca
diff --git a/tools/archive_desugar_jdk_libs.py b/tools/archive_desugar_jdk_libs.py
index 903f3b8..f866564 100755
--- a/tools/archive_desugar_jdk_libs.py
+++ b/tools/archive_desugar_jdk_libs.py
@@ -19,7 +19,6 @@
 # repository to fetch the artifact com.android.tools:desugar_jdk_libs:1.0.0
 
 import archive
-import defines
 import git_utils
 import optparse
 import os
@@ -28,19 +27,6 @@
 import subprocess
 import sys
 import utils
-import zipfile
-
-if defines.IsLinux():
-  JDK8_JAVAC = os.path.join(
-      defines.THIRD_PARTY, 'openjdk', 'jdk8', 'linux-x86', 'bin', 'javac')
-elif defines.IsOsX():
-  JDK8_JAVAC = os.path.join(
-      defines.THIRD_PARTY, 'openjdk', 'jdk8', 'darwin-x86', 'bin', 'javac')
-elif defines.IsWindows():
-  raise Exception('Cannot compile using JDK8 on Windows hence cannot archive.')
-
-CONVERSION_FOLDER = os.path.join(
-    defines.REPO_ROOT, 'src', 'test', 'desugaredLibraryConversions')
 
 VERSION_FILE = 'VERSION.txt'
 LIBRARY_NAME = 'desugar_jdk_libs'
@@ -64,15 +50,12 @@
 
 def GetVersion():
   with open(VERSION_FILE, 'r') as version_file:
-    lines = version_file.readlines()
+    lines = [line.strip() for line in version_file.readlines()]
+    lines = [line for line in lines if not line.startswith('#')]
     if len(lines) != 1:
       raise Exception('Version file '
           + VERSION_FILE + ' is expected to have exactly one line')
     version = lines[0].strip()
-    if (version == '1.0.1'):
-      raise Exception('Version file ' + VERSION_FILE + 'cannot have version 1.0.1')
-    if (version == '1.0.0'):
-      version = '1.0.1'
     utils.check_basic_semver_version(
         version, 'in version file ' + VERSION_FILE)
     return version
@@ -94,13 +77,6 @@
     print('File available at: %s' %
         destination.replace('gs://', 'http://storage.googleapis.com/', 1))
 
-def GetFilesInFolder(folder):
-  resulting_files = []
-  for root, dirs, files in os.walk(folder):
-    for name in files:
-      resulting_files.append(os.path.join(root, name))
-  assert len(resulting_files) > 0
-  return resulting_files
 
 def Main(argv):
   (options, args) = ParseOptions(argv)
@@ -146,46 +122,12 @@
       utils.PrintCmd(cmd)
       subprocess.check_call(cmd)
 
-      # Compile the stubs for conversion files compilation.
-      stub_compiled_folder = os.path.join(checkout_dir, 'stubs')
-      os.mkdir(stub_compiled_folder)
-      all_stubs = GetFilesInFolder(os.path.join(CONVERSION_FOLDER, 'stubs'))
-      cmd = [JDK8_JAVAC, '-d', stub_compiled_folder] + all_stubs
-      utils.PrintCmd(cmd)
-      subprocess.check_call(cmd)
-
-      # Compile the conversion files.
-      conversions_compiled_folder = os.path.join(checkout_dir, 'conversions')
-      os.mkdir(conversions_compiled_folder)
-      all_conversions = GetFilesInFolder(
-          os.path.join(CONVERSION_FOLDER, 'conversions'))
-      cmd = [JDK8_JAVAC, '-cp', stub_compiled_folder, '-d',
-             conversions_compiled_folder] + all_conversions
-      utils.PrintCmd(cmd)
-      subprocess.check_call(cmd)
-
       # Locate the library jar and the maven zip with the jar from the
       # bazel build.
       library_jar = os.path.join(
           'bazel-bin', 'src', 'share', 'classes', 'java', 'libjava.jar')
       maven_zip = os.path.join('bazel-bin', LIBRARY_NAME +'.zip')
 
-      # Make a writable copy of the jar.
-      jar_folder = os.path.join(checkout_dir, 'jar')
-      os.mkdir(jar_folder)
-      shutil.copy(library_jar, jar_folder)
-      library_jar = os.path.join(jar_folder,'libjava.jar')
-      os.chmod(library_jar, 0o777)
-
-      # Add conversion classes into the jar.
-      all_compiled_conversions = GetFilesInFolder(conversions_compiled_folder)
-      with zipfile.ZipFile(library_jar, mode='a', allowZip64=True) as jar:
-        for clazz in all_compiled_conversions:
-          jar.write(clazz,arcname=os.path.relpath(
-              clazz,
-              conversions_compiled_folder),
-              compress_type = zipfile.ZIP_DEFLATED)
-
       storage_path = LIBRARY_NAME + '/' + version
       # Upload the jar file with the library.
       destination = archive.GetUploadDestination(