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95066f76 MJ |
1 | #!/usr/bin/python |
2 | # -*- coding: utf-8 -*- | |
3 | # | |
4 | # Copyright (C) 2015 - Michael Jeanson <mjeanson@efficios.com> | |
5 | # | |
6 | # This program is free software: you can redistribute it and/or modify | |
7 | # it under the terms of the GNU General Public License as published by | |
8 | # the Free Software Foundation, either version 3 of the License, or | |
9 | # (at your option) any later version. | |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | """ This script is used to """ | |
20 | ||
21 | import os | |
22 | import re | |
23 | from distutils.version import Version | |
24 | from git import Repo | |
25 | import yaml | |
26 | ||
27 | ||
28 | class KernelVersion(Version): | |
29 | """ Kernel version class """ | |
30 | ||
31 | re26 = re.compile(r'^(2\.\d+) \. (\d+) (\. (\d+))? (\-rc(\d+))?$', | |
32 | re.VERBOSE) | |
33 | re30 = re.compile(r'^(\d+) \. (\d+) (\. (\d+))? (\-rc(\d+))?$', re.VERBOSE) | |
34 | ||
35 | ||
36 | def __init__(self, vstring=None): | |
37 | self._rc = None | |
38 | self._version = None | |
39 | if vstring: | |
40 | self.parse(vstring) | |
41 | ||
42 | ||
43 | def parse(self, vstring): | |
44 | """ Parse version string """ | |
45 | ||
46 | self._vstring = vstring | |
47 | ||
48 | if self._vstring.startswith("2"): | |
49 | match = self.re26.match(self._vstring) | |
50 | else: | |
51 | match = self.re30.match(self._vstring) | |
52 | ||
53 | if not match: | |
54 | raise ValueError("invalid version number '%s'" % self._vstring) | |
55 | ||
56 | (major, minor, patch, rc_num) = match.group(1, 2, 4, 6) | |
57 | ||
58 | major = int(float(major) * 10) | |
59 | ||
60 | if patch: | |
61 | self._version = tuple(map(int, [major, minor, patch])) | |
62 | else: | |
63 | self._version = tuple(map(int, [major, minor])) + (0,) | |
64 | ||
65 | if rc_num: | |
66 | self._rc = int(rc_num) | |
67 | else: | |
68 | self._rc = None | |
69 | ||
70 | ||
71 | def isrc(self): | |
72 | """ Is this version an RC """ | |
73 | return self._rc is not None | |
74 | ||
75 | ||
76 | def __str__(self): | |
77 | return self._vstring | |
78 | ||
79 | ||
80 | def __repr__(self): | |
81 | return "KernelVersion ('%s')" % str(self) | |
82 | ||
83 | ||
84 | def _cmp(self, other): | |
85 | if isinstance(other, str): | |
86 | other = KernelVersion(other) | |
87 | ||
88 | if self._version != other._version: | |
89 | # numeric versions don't match | |
90 | # prerelease stuff doesn't matter | |
91 | if self._version < other._version: | |
92 | return -1 | |
93 | else: | |
94 | return 1 | |
95 | ||
96 | # have to compare rc | |
97 | # case 1: neither has rc; they're equal | |
98 | # case 2: self has rc, other doesn't; other is greater | |
99 | # case 3: self doesn't have rc, other does: self is greater | |
100 | # case 4: both have rc: must compare them! | |
101 | ||
102 | if (not self._rc and not other._rc): | |
103 | return 0 | |
104 | elif (self._rc and not other._rc): | |
105 | return -1 | |
106 | elif (not self._rc and other._rc): | |
107 | return 1 | |
108 | elif (self._rc and other._rc): | |
109 | if self._rc == other._rc: | |
110 | return 0 | |
111 | elif self._rc < other._rc: | |
112 | return -1 | |
113 | else: | |
114 | return 1 | |
115 | else: | |
116 | assert False, "never get here" | |
117 | ||
118 | ||
119 | ||
120 | ||
121 | KERNCUTOFF = KernelVersion("2.6.36") | |
122 | ||
123 | LINUX_GIT = "git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git" | |
124 | LINUX_PATH = "/home/mjeanson/tmp/toto/" | |
125 | ||
126 | ||
127 | ||
128 | ||
129 | def main(): | |
130 | """ Main """ | |
131 | ||
132 | versions = [] | |
133 | ||
134 | # Open or create the local repository | |
135 | if os.path.isdir(LINUX_PATH): | |
136 | linux_repo = Repo(LINUX_PATH) | |
137 | else: | |
138 | linux_repo = Repo.clone_from(LINUX_GIT, LINUX_PATH) | |
139 | ||
140 | # Pull the latest | |
141 | linux_repo.remote().pull() | |
142 | ||
143 | # First get all valid versions | |
144 | for tag in linux_repo.tags: | |
145 | try: | |
146 | version = KernelVersion(tag.name.lstrip('v')) | |
147 | ||
148 | # Add only those who are superior to the cutoff version | |
149 | if version >= KERNCUTOFF: | |
150 | versions.append(version) | |
151 | except ValueError: | |
152 | #print(tag.name) | |
153 | continue | |
154 | ||
155 | # Sort the list by version order | |
156 | versions.sort() | |
157 | ||
158 | # Keep only one rc if it's the latest version | |
159 | last = True | |
160 | for version in reversed(versions): | |
161 | if version.isrc() and not last: | |
162 | versions.remove(version) | |
163 | last = False | |
164 | ||
165 | #for version in versions: | |
166 | # print(version) | |
167 | ||
168 | # Build yaml object | |
169 | yversions = [] | |
170 | ||
171 | for version in versions: | |
172 | yversions.append(version.__str__()) | |
173 | ||
174 | print(yaml.dump(yversions, default_flow_style=False)) | |
175 | ||
176 | ||
177 | ||
178 | ||
179 | if __name__ == "__main__": | |
180 | main() | |
181 | ||
182 | # EOF |