1 #!/usr/local/bin/python
3 # This script generates a master INDEX file for the CD images built by the
4 # FreeBSD release engineers. Each disc is given a list of desired packages.
5 # Dependencies of these packages are placed on either the same disc or an
6 # earlier disc. The resulting master INDEX file is then written out.
8 # Usage: package-split.py <INDEX> <master INDEX>
16 arch = os.environ["PKG_ARCH"]
19 print "Using arch %s" % (arch)
21 if 'PKG_VERBOSE' in os.environ:
26 # List of packages for disc1. This just includes packages sysinstall can
27 # install as a distribution
30 pkgs = ['lang/perl5.8']
31 pkgs.extend(['x11/xorg',
35 pkgs.append('emulators/osf1_base')
37 pkgs.append('emulators/linux_base-8')
40 # List of packages for disc2. This includes packages that the X desktop
41 # menu depends on (if it still exists) and other "nice to have" packages.
42 # For architectures that use a separate livefs, this is actually disc3.
71 'net/cvsup-without-gui',
78 'print/ghostscript-gnu-nox11',
80 'print/psutils-letter',
84 'security/freebsd-update',
87 'sysutils/portupgrade',
96 'www/apache13-modssl',
99 pkgs.extend(['comms/ltmdm',
103 # The list of desired packages
104 def desired_packages():
105 disc1 = disc1_packages()
106 disc2 = disc2_packages()
107 return [disc1, disc2]
109 # Suck the entire INDEX file into a two different dictionaries. The first
110 # dictionary maps port names (origins) to package names. The second
111 # dictionary maps a package name to a list of its dependent packages.
116 def load_index(index):
121 fields = line.split('|')
122 name = fields[PACKAGE_COL]
124 sys.stderr.write('%d: Duplicate package %s\n' % (line_num, name))
126 origin = fields[ORIGIN_COL].replace('/usr/ports/', '', 1)
128 sys.stderr.write('%d: Duplicate port %s\n' % (line_num, origin))
130 deps[name] = fields[DEPENDS_COL].split()
132 line_num = line_num + 1
135 # Layout the packages on the various CD images. Here's how it works. We walk
136 # each disc in the list of discs. Within each disc we walk the list of ports.
137 # For each port, we add the package name to a dictionary with the value being
138 # the current disc number. We also add all of the dependent packages. If
139 # a package is already in the dictionary when we go to add it, we just leave
140 # the dictionary as it is. This means that each package ends up on the first
141 # disc that either lists it or contains it as a dependency.
142 def layout_discs(discs, pkgs, deps):
148 sys.stderr.write('Disc %d: Unable to find package for %s\n' %
152 pkg_list = [pkg] + deps[pkg]
154 if pkg not in layout:
156 print "--> Adding %s to Disc %d" % (pkg, disc_num)
157 layout[pkg] = disc_num
158 disc_num = disc_num + 1
161 # Generate a master INDEX file based on the generated layout. The way this
162 # works is that for each INDEX line, we check to see if the package is in the
163 # layout. If it is, we put that INDEX line into the master INDEX and append
164 # a new field with the disc number to the line.
165 def generate_index(index, layout, master_index):
167 pkg = line.split('|')[PACKAGE_COL]
169 new_line = '%s|%d\n' % (line.splitlines()[0], layout[pkg])
170 master_index.write(new_line)
172 # Verify the command line arguments
173 if len(sys.argv) != 3:
174 sys.stderr.write('Invalid number of arguments\n')
175 sys.stderr.write('Usage: package-split.py <source INDEX> <master INDEX>\n')
178 print "Loading %s..." % (sys.argv[1])
179 index = file(sys.argv[1])
180 (deps, pkgs) = load_index(index)
181 discs = desired_packages()
182 layout = layout_discs(discs, pkgs, deps)
184 print "Generating %s..." % (sys.argv[2])
185 master_index = file(sys.argv[2], 'w')
186 generate_index(index, layout, master_index)