author | Nishanth Amuluru <nishanth@fossee.in> |
Sat, 08 Jan 2011 11:20:57 +0530 | |
changeset 69 | c6bca38c1cbf |
permissions | -rw-r--r-- |
69
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1 |
# git.py - git support for the convert extension |
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2 |
# |
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3 |
# Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 |
# |
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5 |
# This software may be used and distributed according to the terms of the |
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6 |
# GNU General Public License version 2 or any later version. |
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7 |
|
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8 |
import os |
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9 |
from mercurial import util |
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10 |
from mercurial.node import hex, nullid |
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11 |
from mercurial.i18n import _ |
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12 |
|
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13 |
from common import NoRepo, commit, converter_source, checktool |
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14 |
|
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15 |
class convert_git(converter_source): |
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16 |
# Windows does not support GIT_DIR= construct while other systems |
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17 |
# cannot remove environment variable. Just assume none have |
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18 |
# both issues. |
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19 |
if hasattr(os, 'unsetenv'): |
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20 |
def gitopen(self, s): |
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21 |
prevgitdir = os.environ.get('GIT_DIR') |
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22 |
os.environ['GIT_DIR'] = self.path |
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23 |
try: |
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24 |
return util.popen(s, 'rb') |
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25 |
finally: |
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26 |
if prevgitdir is None: |
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27 |
del os.environ['GIT_DIR'] |
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else: |
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os.environ['GIT_DIR'] = prevgitdir |
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30 |
else: |
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def gitopen(self, s): |
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return util.popen('GIT_DIR=%s %s' % (self.path, s), 'rb') |
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33 |
|
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def gitread(self, s): |
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fh = self.gitopen(s) |
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data = fh.read() |
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return data, fh.close() |
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38 |
|
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def __init__(self, ui, path, rev=None): |
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super(convert_git, self).__init__(ui, path, rev=rev) |
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|
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if os.path.isdir(path + "/.git"): |
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path += "/.git" |
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if not os.path.exists(path + "/objects"): |
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raise NoRepo(_("%s does not look like a Git repository") % path) |
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|
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checktool('git', 'git') |
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48 |
|
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self.path = path |
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50 |
|
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def getheads(self): |
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if not self.rev: |
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53 |
heads, ret = self.gitread('git rev-parse --branches --remotes') |
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heads = heads.splitlines() |
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else: |
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heads, ret = self.gitread("git rev-parse --verify %s" % self.rev) |
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heads = [heads[:-1]] |
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if ret: |
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raise util.Abort(_('cannot retrieve git heads')) |
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return heads |
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|
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def catfile(self, rev, type): |
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if rev == hex(nullid): |
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raise IOError() |
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data, ret = self.gitread("git cat-file %s %s" % (type, rev)) |
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if ret: |
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raise util.Abort(_('cannot read %r object at %s') % (type, rev)) |
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return data |
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def getfile(self, name, rev): |
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71 |
data = self.catfile(rev, "blob") |
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72 |
mode = self.modecache[(name, rev)] |
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return data, mode |
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|
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75 |
def getchanges(self, version): |
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76 |
self.modecache = {} |
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77 |
fh = self.gitopen("git diff-tree -z --root -m -r %s" % version) |
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changes = [] |
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seen = set() |
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80 |
entry = None |
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81 |
for l in fh.read().split('\x00'): |
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82 |
if not entry: |
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83 |
if not l.startswith(':'): |
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84 |
continue |
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85 |
entry = l |
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86 |
continue |
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87 |
f = l |
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88 |
if f not in seen: |
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89 |
seen.add(f) |
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90 |
entry = entry.split() |
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91 |
h = entry[3] |
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92 |
p = (entry[1] == "100755") |
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93 |
s = (entry[1] == "120000") |
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94 |
self.modecache[(f, h)] = (p and "x") or (s and "l") or "" |
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95 |
changes.append((f, h)) |
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96 |
entry = None |
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97 |
if fh.close(): |
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98 |
raise util.Abort(_('cannot read changes in %s') % version) |
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99 |
return (changes, {}) |
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100 |
|
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101 |
def getcommit(self, version): |
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102 |
c = self.catfile(version, "commit") # read the commit hash |
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103 |
end = c.find("\n\n") |
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104 |
message = c[end + 2:] |
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105 |
message = self.recode(message) |
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106 |
l = c[:end].splitlines() |
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107 |
parents = [] |
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108 |
author = committer = None |
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109 |
for e in l[1:]: |
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110 |
n, v = e.split(" ", 1) |
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111 |
if n == "author": |
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112 |
p = v.split() |
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113 |
tm, tz = p[-2:] |
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114 |
author = " ".join(p[:-2]) |
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115 |
if author[0] == "<": author = author[1:-1] |
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116 |
author = self.recode(author) |
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117 |
if n == "committer": |
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118 |
p = v.split() |
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119 |
tm, tz = p[-2:] |
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120 |
committer = " ".join(p[:-2]) |
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121 |
if committer[0] == "<": committer = committer[1:-1] |
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122 |
committer = self.recode(committer) |
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123 |
if n == "parent": |
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124 |
parents.append(v) |
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|
125 |
|
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126 |
if committer and committer != author: |
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127 |
message += "\ncommitter: %s\n" % committer |
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parents:
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|
128 |
tzs, tzh, tzm = tz[-5:-4] + "1", tz[-4:-2], tz[-2:] |
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parents:
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|
129 |
tz = -int(tzs) * (int(tzh) * 3600 + int(tzm)) |
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parents:
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|
130 |
date = tm + " " + str(tz) |
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parents:
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|
131 |
|
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|
132 |
c = commit(parents=parents, date=date, author=author, desc=message, |
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|
133 |
rev=version) |
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|
134 |
return c |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
135 |
|
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parents:
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|
136 |
def gettags(self): |
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parents:
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|
137 |
tags = {} |
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parents:
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|
138 |
fh = self.gitopen('git ls-remote --tags "%s"' % self.path) |
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parents:
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|
139 |
prefix = 'refs/tags/' |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
140 |
for line in fh: |
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parents:
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|
141 |
line = line.strip() |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
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parents:
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|
142 |
if not line.endswith("^{}"): |
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parents:
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|
143 |
continue |
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parents:
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|
144 |
node, tag = line.split(None, 1) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
145 |
if not tag.startswith(prefix): |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
146 |
continue |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
147 |
tag = tag[len(prefix):-3] |
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parents:
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|
148 |
tags[tag] = node |
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parents:
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|
149 |
if fh.close(): |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
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parents:
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|
150 |
raise util.Abort(_('cannot read tags from %s') % self.path) |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
151 |
|
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
152 |
return tags |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
153 |
|
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
154 |
def getchangedfiles(self, version, i): |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
155 |
changes = [] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
156 |
if i is None: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
157 |
fh = self.gitopen("git diff-tree --root -m -r %s" % version) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
158 |
for l in fh: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
159 |
if "\t" not in l: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
160 |
continue |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
161 |
m, f = l[:-1].split("\t") |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
162 |
changes.append(f) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
163 |
else: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
164 |
fh = self.gitopen('git diff-tree --name-only --root -r %s "%s^%s" --' |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
165 |
% (version, version, i + 1)) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
166 |
changes = [f.rstrip('\n') for f in fh] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
167 |
if fh.close(): |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
168 |
raise util.Abort(_('cannot read changes in %s') % version) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
169 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
170 |
return changes |