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#!/usr/bin/env python
import os, random, sys, time, urllib
#
# Options
#
dry_run = len(sys.argv) > 1 and "--dry-run" in set(sys.argv[1:])
quiet = len(sys.argv) > 1 and "--quiet" in set(sys.argv[1:])
#
# Functions and constants
#
def download_progress_hook(block_count, block_size, total_blocks):
if quiet or random.random() > 0.5:
return
sys.stdout.write(".")
sys.stdout.flush()
def download_url_to_file(url, file, message):
if not quiet:
print message + " ",
if not dry_run:
dir = os.path.dirname(file)
if len(dir) and not os.path.exists(dir):
os.makedirs(dir)
urllib.urlretrieve(url, file, download_progress_hook)
if not quiet:
print
# This is mostly just the list of North America http mirrors from http://cygwin.com/mirrors.html,
# but a few have been removed that seemed unresponsive from Cupertino.
mirror_servers = ["http://cygwin.elite-systems.org/",
"http://mirror.mcs.anl.gov/cygwin/",
"http://cygwin.osuosl.org/",
"http://mirrors.kernel.org/sourceware/cygwin/",
"http://mirrors.xmission.com/cygwin/",
"http://sourceware.mirrors.tds.net/pub/sourceware.org/cygwin/"]
package_mirror_url = mirror_servers[random.choice(range(len(mirror_servers)))]
def download_package(package, message):
download_url_to_file(package_mirror_url + package["path"], package["path"], message)
required_packages = frozenset(["apache",
"bc",
"bison",
"curl",
"diffutils",
"e2fsprogs",
"emacs",
"flex",
"gcc",
"gperf",
"keychain",
"make",
"nano",
"openssh",
"patch",
"perl",
"perl-libwin32",
"python",
"rebase",
"rsync",
"ruby",
"subversion",
"unzip",
"vim",
"zip"])
#
# Main
#
print "Using Cygwin mirror server " + package_mirror_url + " to download setup.ini..."
urllib.urlretrieve(package_mirror_url + "setup.ini", "setup.ini.orig")
downloaded_packages_file_path = "setup.ini.orig"
downloaded_packages_file = file(downloaded_packages_file_path, "r")
if not dry_run:
modified_packages_file = file("setup.ini", "w")
packages = {}
current_package = ''
for line in downloaded_packages_file.readlines():
if line[0] == "@":
current_package = line[2:-1]
packages[current_package] = {"name": current_package, "needs_download": False, "requires": [], "path": ""}
elif line[:10] == "category: ":
if current_package in required_packages:
line = "category: Base\n"
if "Base" in set(line[10:-1].split()):
packages[current_package]["needs_download"] = True
elif line[:10] == "requires: ":
packages[current_package]["requires"] = line[10:].split()
packages[current_package]["requires"].sort()
elif line[:9] == "install: " and not len(packages[current_package]["path"]):
end_of_path = line.find(" ", 9)
if end_of_path != -1:
packages[current_package]["path"] = line[9:end_of_path]
if not dry_run:
modified_packages_file.write(line)
downloaded_packages_file.close()
os.remove(downloaded_packages_file_path)
if not dry_run:
modified_packages_file.close()
names_to_download = set()
package_names = packages.keys()
package_names.sort()
def add_package_and_dependencies(name):
if name in names_to_download:
return
if not name in packages:
return
packages[name]["needs_download"] = True
names_to_download.add(name)
for dep in packages[name]["requires"]:
add_package_and_dependencies(dep)
for name in package_names:
if packages[name]["needs_download"]:
add_package_and_dependencies(name)
downloaded_so_far = 0
for name in package_names:
if packages[name]["needs_download"]:
downloaded_so_far += 1
download_package(packages[name], "Downloading package %3d of %3d (%s)" % (downloaded_so_far, len(names_to_download), name))
download_url_to_file("http://cygwin.com/setup.exe", "setup.exe", "Downloading setup.exe")
seconds_to_sleep = 10
print """
Finished downloading Cygwin. In %d seconds,
I will run setup.exe. Select the "Install
from Local Directory" option and browse to
"%s"
when asked for the "Local Package Directory".
""" % (seconds_to_sleep, os.getcwd())
while seconds_to_sleep > 0:
print "%d..." % seconds_to_sleep,
sys.stdout.flush()
time.sleep(1)
seconds_to_sleep -= 1
print
if not dry_run:
os.execl("setup.exe")
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