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executable file 148 lines (121 sloc) 4.75 kb
#!/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):
except OSError, e:
if e.errno != errno.ENOENT: raise
def try_symlink(source_path, link_path):
print 'symlinking %s -> %s' % (source_path, link_path)
os.symlink(source_path, link_path)
def try_mkdir_r(path):
except OSError, e:
if e.errno != errno.EEXIST: raise
def try_rmdir_r(path):
path = abspath(path)
while path.startswith(dst_dir):
except OSError, e:
if e.errno == errno.ENOTEMPTY: return
if e.errno == errno.ENOENT: return
path = abspath(path, '..')
def mkpaths(path, dst):
if dst.endswith('/'):
target_path = abspath(dst_dir, dst, os.path.basename(path))
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_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
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" "$0" "$@"'
shebang = os.path.join(node_prefix, 'bin/node')
update_shebang(link_path, shebang)
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__':
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