#!/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)) try_unlink(target_path) # prevent ETXTBSY errors 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 update_shebang(path, shebang): print 'updating shebang of %s to %s' % (path, shebang) 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) if os.environ.get('PORTABLE'): # This crazy hack is necessary to make the shebang execute the copy # of node relative to the same directory as the npm script. The precompiled # binary tarballs use a prefix of "/" which gets translated to "/bin/node" # in the regular shebang modifying logic, which is incorrect since the # precompiled bundle should be able to be extracted anywhere and "just work" shebang = '/bin/sh\n// 2>/dev/null; exec "`dirname "$0"`/node" "$0" "$@"' else: shebang = os.path.join(node_prefix, 'bin/node') update_shebang(link_path, shebang) else: assert(0) # unhandled action type def files(action): 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 'true' == 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') or '/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[:])