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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
#!/usr/bin/python
# initial_merge.py - perform initial merge after dist-git migration
"""\
Performs a 'git merge' of all git branches with the same content
(i.e. with the same package spec files, patch files, etc.), regardless
of their history.
This is useful after Fedora's dist-cvs to dist-git migration, as often
different branches have different histories but the same content on the
filesystem.
After these initial merges of identical trees, future merges between
the branches will be a lot easier: Easier to follow in the dependency
graph, and easier to perform without conflicts.
"""
import argparse
import sys
import os
import subprocess
import pyfedpkg
import git
__all__ = [
'get_parser',
'handle_path',
'handle_curdir'
]
def str_numsplit(s):
assert(not s[0].isdigit())
if not s[-1].isdigit():
return s
i = len(s)
while i>0:
i = i - 1
if not s[i].isdigit():
break
prefix, numstr = s[0:i+1], s[i+1:]
return (prefix, int(numstr))
def cmp_relbranch(a, b):
asplit = str_numsplit(a)
bsplit = str_numsplit(b)
if type(asplit) == str and type(bsplit) == str:
return cmp(asplit,bsplit)
elif type(asplit) == str and type(bsplit) == tuple:
return 1
elif type(asplit) == tuple and type(bsplit) == str:
return -1
elif type(asplit) == tuple and type(bsplit) == tuple:
if asplit[0] in ('f','fc') and bsplit[0] in ('f','fc'):
return cmp(asplit[1], bsplit[1])
else:
return cmp(asplit,bsplit)
else:
return cmp(asplit,bsplit)
def cmp_Branch(a, b):
if a.sha == b.sha:
return cmp_relbranch(a.localbranch,b.localbranch)
else:
return cmp(a.sha,b.sha)
class Branch:
def __init__(self, sha, origbranch):
self.sha, self.origbranch = sha, origbranch
a = self.origbranch.split('/')
assert(a[0] == 'origin')
assert(a[-1] == 'master')
self.localbranch = a[1]
def __repr__(self):
return "%(sha)s %(origbranch)s" % self.__dict__
def do_initial_merge(into, to_merge):
print
print "######## Merging", [ x.localbranch for x in to_merge ], \
"into", into.localbranch, "########"
pyfedpkg.switch_branch(into.localbranch)
repo = git.Repo()
print "Merging", [ x.origbranch for x in to_merge], "into", into.localbranch
repo.git.merge(*(['-m', '"Initial peudo merge for dist-git setup"',
'-s', 'ours'] +
[ x.origbranch for x in to_merge]))
for t in to_merge:
pyfedpkg.switch_branch(t.localbranch)
print "Merging", into.localbranch, "into", t.localbranch
repo.git.merge(into.localbranch)
pyfedpkg.switch_branch(into.localbranch)
class Consumer:
def __reset(self):
self.branch_list = []
def __init__(self):
self.__reset()
def __git_merge(self):
head = self.branch_list[-1]
others = self.branch_list[:-1]
do_initial_merge(head, others)
def __flush(self):
if len(self.branch_list) < 2:
return
# print "Flush", self.branch_list
self.__git_merge()
self.__reset()
def eat(self, item):
if self.branch_list:
last = self.branch_list[-1]
if last.sha == item.sha:
# print " ", "=", item
self.branch_list.extend([item])
else:
# print " ", "?", item
self.__flush()
self.branch_list = [item]
else:
self.branch_list = [item]
def finish(self):
self.__flush()
def handle_curdir():
repo = git.Repo()
_locals, remotes = pyfedpkg._list_branches(repo=repo)
aa = [ Branch(repo.git.rev_parse('%s^{tree}' % b), b) for b in remotes ]
aa.sort(cmp_Branch)
print "Branches sorted by tree sha:"
for x in aa: print " ", x
n = 0
c = Consumer()
while n < len(aa):
c.eat(aa[n])
n = n + 1
c.finish()
print
print "FINISHED."
def handle_path(path=None):
if not path:
path = os.getcwd()
oldcwd = os.getcwd()
os.chdir(path)
print "########", "Entering", path, "########"
handle_curdir()
print "Leaving", os.getcwd()
os.chdir(oldcwd)
class Action(argparse.Action):
def __init__(self, *args, **kwargs):
super(Action, self).__init__(*args, **kwargs)
self.default_value = ['.']
def __call__(self, parser, namespace, values, option_string=None):
if values:
setattr(namespace, self.dest, values)
else:
setattr(namespace, self.dest, self.default)
def fedpkg_command(args):
for repo in args.repos:
handle_path(repo)
_module_doc = __doc__
def get_parser(subparsers):
sp = subparsers.add_parser('initial-merge',
help = 'git merge to join branches with identical trees',
formatter_class=argparse.RawDescriptionHelpFormatter,
description = _module_doc)
sp.add_argument('repos', metavar='repo-path',
nargs='*', default=['.'],
action=Action,
help = 'Path to a repo to initial-merge')
sp.set_defaults(command = fedpkg_command)
return sp
|
