summaryrefslogtreecommitdiff
blob: ab78a29eb9e59787b3504e77b0c2d23de6fde82f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright © 2008-2010 Zac Medico <zmedico@gentoo.org>
# Copyright © 2008-2010 Diego Elio Pettenò <flameeyes@gentoo.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
# SOFTWARE.

seconds_per_week = 7 * 24 * 60 * 60
# reinstall_period = None
reinstall_period = 5 * seconds_per_week

import os
import sys
import time

import portage

current_time = time.time()

portdb = portage.portdb
portdb.porttrees = [portdb.porttree_root] # exclude overlays
portdb.freeze()
settings = portage.config(clone=portage.settings)
vardb = portage.db[settings["ROOT"]]["vartree"].dbapi
fakedb = portage.fakedbapi(settings=portage.settings)
deps = {}

metadata_keys = [k for k in portage.auxdbkeys if not k.startswith("UNUSED_")]
dep_keys = ["DEPEND", "RDEPEND", "PDEPEND"]
good_pkgs = set()
bad_pkgs = set()

for cp in portdb.cp_all():
	best_visible = portdb.xmatch("bestmatch-visible", cp)
	if best_visible:
		best_installed = portage.best(vardb.match(cp))
		reinstall = False
		if best_installed and reinstall_period is not None:
			try:
				mtime = os.stat(os.path.join(
					vardb.getpath(best_installed), 'COUNTER')).st_mtime
			except OSError:
				reinstall = True
			else:
				if current_time - mtime > reinstall_period:
					reinstall = True
					#sys.stderr.write("%s is %.1f weeks old\n" % \
					#	(best_installed,
					#	(current_time - mtime) / seconds_per_week))

		if reinstall or best_visible != best_installed:

			traversed = set()
			dep_stack = []
			dep_stack.append(("=" + best_visible, best_visible))
			unsatisfied_dep = False

			while dep_stack:
				dep_atom, parent = dep_stack.pop()
				dep_pkg = portdb.xmatch("bestmatch-visible", dep_atom)
				if not dep_pkg:
					unsatisfied_dep = True
					bad_pkgs.add(parent)
					break

				if dep_pkg in bad_pkgs:
					unsatisfied_dep = True
					bad_pkgs.add(parent)
					break

				if dep_pkg in good_pkgs or dep_pkg in traversed:
					continue

				metadata = dict(zip(metadata_keys,
					portdb.aux_get(dep_pkg, metadata_keys)))

				# If this package isn't the highest visible version
				# in the slot then drop it in order to avoid a slot
				# conflict.
				slot_atom = "%s:%s" % (portage.cpv_getkey(dep_pkg),
					metadata["SLOT"])
				best_visible_slot = portdb.xmatch("bestmatch-visible",
					slot_atom)
				if dep_pkg != best_visible_slot:
					unsatisfied_dep = True
					bad_pkgs.add(dep_pkg)
					bad_pkgs.add(parent)
					break

				dep_str = " ".join(metadata[k] for k in dep_keys)
				settings.setcpv(dep_pkg, mydb=metadata)
				metadata["USE"] = settings["PORTAGE_USE"]
				success, atoms = portage.dep_check(dep_str,
					None, settings, myuse=metadata["USE"].split(),
					trees=portage.db, myroot=settings["ROOT"])

				if not success:
					sys.stderr.write(atoms + "\n")
					unsatisfied_dep = True
					bad_pkgs.add(dep_pkg)
					bad_pkgs.add(parent)
					break

				traversed.add(dep_pkg)
				fakedb.cpv_inject(dep_pkg, metadata=metadata)

				deps[dep_pkg] = atoms
				for atom in atoms:
					if atom.blocker:
						continue
					dep_stack.append((atom, dep_pkg))

			if unsatisfied_dep:
				bad_pkgs.add(best_visible)
			else:
				good_pkgs.update(traversed)
				print cp

for cpv in good_pkgs:
	for atom in deps[cpv]:
		if atom.blocker:
			continue
		if not atom.use:
			continue
		if not fakedb.match(atom):
			sys.stderr.write("%s has unsatisfied USE dep: %s\n" % (cpv, atom))
			#for cpv2 in fakedb.match(atom.cp):
			#	sys.stderr.write("   %s IUSE: %s USE: %s\n" % (cpv2,
			#		fakedb.aux_get(cpv2, ["IUSE"])[0],
			#		fakedb.aux_get(cpv2, ["USE"])[0]))