installer: fix cross-compile installs

The old installer was a JS script, which didn't work if node had been
cross-compiled for another architecture. Replace it with a python script.

Fixes #3807.

1 files changed, 214 insertions, 0 deletions

diff --git a/tools/install.py b/tools/install.py
new file mode 100755
index 0000000000..66e51d0ae3
--- /dev/null
+++ b/tools/install.py
@@ -0,0 +1,214 @@
+#!/usr/bin/env python
+
+import errno
+import json
+import os
+import re
+import shutil
+import sys
+
+# set at init time
+dst_dir = None
+node_prefix = None # dst_dir without DESTDIR prefix
+target_defaults = None
+variables = None
+
+def abspath(*args):
+  path = os.path.join(*args)
+  return os.path.abspath(path)
+
+def load_config():
+  s = open('config.gypi').read()
+  s = re.sub(r'#.*?\n', '', s) # strip comments
+  s = re.sub(r'\'', '"', s) # convert quotes
+  return json.loads(s)
+
+def try_unlink(path):
+  try:
+    os.unlink(path)
+  except OSError, e:
+    if e.errno != errno.ENOENT: raise
+
+def try_symlink(source_path, link_path):
+  print 'symlinking %s -> %s' % (source_path, link_path)
+  try_unlink(link_path)
+  os.symlink(source_path, link_path)
+
+def try_mkdir_r(path):
+  try:
+    os.makedirs(path)
+  except OSError, e:
+    if e.errno != errno.EEXIST: raise
+
+def try_rmdir_r(path):
+  path = abspath(path)
+  while path.startswith(dst_dir):
+    try:
+      os.rmdir(path)
+    except OSError, e:
+      if e.errno == errno.ENOTEMPTY: return
+      if e.errno == errno.ENOENT: return
+      raise
+    path = abspath(path, '..')
+
+def mkpaths(path, dst):
+  if dst.endswith('/'):
+    target_path = abspath(dst_dir, dst, os.path.basename(path))
+  else:
+    target_path = abspath(dst_dir, dst)
+  return path, target_path
+
+def try_copy(path, dst):
+  source_path, target_path = mkpaths(path, dst)
+  print 'installing %s' % target_path
+  try_mkdir_r(os.path.dirname(target_path))
+  return shutil.copy2(source_path, target_path)
+
+def try_remove(path, dst):
+  source_path, target_path = mkpaths(path, dst)
+  print 'removing %s' % target_path
+  try_unlink(target_path)
+  try_rmdir_r(os.path.dirname(target_path))
+
+def install(paths, dst): map(lambda path: try_copy(path, dst), paths)
+def uninstall(paths, dst): map(lambda path: try_remove(path, dst), paths)
+
+def waf_files(action):
+  action(['tools/node-waf'], 'bin/node-waf')
+  action(['tools/wafadmin/ansiterm.py',
+          'tools/wafadmin/Build.py',
+          'tools/wafadmin/Configure.py',
+          'tools/wafadmin/Constants.py',
+          'tools/wafadmin/Environment.py',
+          'tools/wafadmin/__init__.py',
+          'tools/wafadmin/Logs.py',
+          'tools/wafadmin/Node.py',
+          'tools/wafadmin/Options.py',
+          'tools/wafadmin/pproc.py',
+          'tools/wafadmin/py3kfixes.py',
+          'tools/wafadmin/Runner.py',
+          'tools/wafadmin/Scripting.py',
+          'tools/wafadmin/TaskGen.py',
+          'tools/wafadmin/Task.py',
+          'tools/wafadmin/Tools/ar.py',
+          'tools/wafadmin/Tools/cc.py',
+          'tools/wafadmin/Tools/ccroot.py',
+          'tools/wafadmin/Tools/compiler_cc.py',
+          'tools/wafadmin/Tools/compiler_cxx.py',
+          'tools/wafadmin/Tools/compiler_d.py',
+          'tools/wafadmin/Tools/config_c.py',
+          'tools/wafadmin/Tools/cxx.py',
+          'tools/wafadmin/Tools/dmd.py',
+          'tools/wafadmin/Tools/d.py',
+          'tools/wafadmin/Tools/gas.py',
+          'tools/wafadmin/Tools/gcc.py',
+          'tools/wafadmin/Tools/gdc.py',
+          'tools/wafadmin/Tools/gnu_dirs.py',
+          'tools/wafadmin/Tools/gob2.py',
+          'tools/wafadmin/Tools/gxx.py',
+          'tools/wafadmin/Tools/icc.py',
+          'tools/wafadmin/Tools/icpc.py',
+          'tools/wafadmin/Tools/__init__.py',
+          'tools/wafadmin/Tools/intltool.py',
+          'tools/wafadmin/Tools/libtool.py',
+          'tools/wafadmin/Tools/misc.py',
+          'tools/wafadmin/Tools/nasm.py',
+          'tools/wafadmin/Tools/node_addon.py',
+          'tools/wafadmin/Tools/osx.py',
+          'tools/wafadmin/Tools/preproc.py',
+          'tools/wafadmin/Tools/python.py',
+          'tools/wafadmin/Tools/suncc.py',
+          'tools/wafadmin/Tools/suncxx.py',
+          'tools/wafadmin/Tools/unittestw.py',
+          'tools/wafadmin/Tools/winres.py',
+          'tools/wafadmin/Tools/xlc.py',
+          'tools/wafadmin/Tools/xlcxx.py',
+          'tools/wafadmin/Utils.py'],
+          'lib/node/')
+
+def update_shebang(path, shebang):
+  print 'updating shebang of %s' % path
+  s = open(path, 'r').read()
+  s = re.sub(r'#!.*\n', '#!' + shebang + '\n', s)
+  open(path, 'w').write(s)
+
+def npm_files(action):
+  target_path = 'lib/node_modules/npm/'
+
+  # don't install npm if the target path is a symlink, it probably means
+  # that a dev version of npm is installed there
+  if os.path.islink(abspath(dst_dir, target_path)): return
+
+  # npm has a *lot* of files and it'd be a pain to maintain a fixed list here
+  # so we walk its source directory instead...
+  for dirname, subdirs, basenames in os.walk('deps/npm', topdown=True):
+    subdirs[:] = filter('test'.__ne__, subdirs) # skip test suites
+    paths = [os.path.join(dirname, basename) for basename in basenames]
+    action(paths, target_path + dirname[9:] + '/')
+
+  # create/remove symlink
+  link_path = abspath(dst_dir, 'bin/npm')
+  if action == uninstall:
+    action([link_path], 'bin/npm')
+  elif action == install:
+    try_symlink('../lib/node_modules/npm/bin/npm-cli.js', link_path)
+    update_shebang(link_path, node_prefix + '/bin/node')
+  else:
+    assert(0) # unhandled action type
+
+def files(action):
+  action(['deps/uv/include/ares.h',
+          'deps/uv/include/ares_version.h',
+          'deps/uv/include/uv.h',
+          'deps/v8/include/v8-debug.h',
+          'deps/v8/include/v8-preparser.h',
+          'deps/v8/include/v8-profiler.h',
+          'deps/v8/include/v8-testing.h',
+          'deps/v8/include/v8.h',
+          'deps/v8/include/v8stdint.h',
+          'src/eio-emul.h',
+          'src/ev-emul.h',
+          'src/node.h',
+          'src/node_buffer.h',
+          'src/node_object_wrap.h',
+          'src/node_version.h'],
+          'include/node/')
+  action(['deps/uv/include/uv-private/eio.h',
+          'deps/uv/include/uv-private/ev.h',
+          'deps/uv/include/uv-private/ngx-queue.h',
+          'deps/uv/include/uv-private/tree.h',
+          'deps/uv/include/uv-private/uv-unix.h',
+          'deps/uv/include/uv-private/uv-win.h'],
+          'include/node/uv-private/')
+  action(['doc/node.1'], 'share/man/man1/')
+  action(['out/Release/node'], 'bin/node')
+
+  # install unconditionally, checking if the platform supports dtrace doesn't
+  # work when cross-compiling and besides, there's at least one linux flavor
+  # with dtrace support now (oracle's "unbreakable" linux)
+  action(['src/node.d'], 'lib/dtrace/')
+
+  if variables.get('node_install_waf'): waf_files(action)
+  if variables.get('node_install_npm'): npm_files(action)
+
+def run(args):
+  global dst_dir, node_prefix, target_defaults, variables
+
+  # chdir to the project's top-level directory
+  os.chdir(abspath(os.path.dirname(__file__), '..'))
+
+  conf = load_config()
+  variables = conf['variables']
+  target_defaults = conf['target_defaults']
+
+  # argv[2] is a custom install prefix for packagers (think DESTDIR)
+  dst_dir = node_prefix = variables.get('node_prefix', '/usr/local')
+  if len(args) > 2: dst_dir = abspath(args[2] + '/' + dst_dir)
+
+  cmd = args[1] if len(args) > 1 else 'install'
+  if cmd == 'install': return files(install)
+  if cmd == 'uninstall': return files(uninstall)
+  raise RuntimeError('Bad command: %s\n' % cmd)
+
+if __name__ == '__main__':
+  run(sys.argv[:])