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
|
##
# The local source finds gems in the current directory for fulfilling
# dependencies.
class Gem::Source::Local < Gem::Source
def initialize # :nodoc:
@specs = nil
@api_uri = nil
@uri = nil
end
##
# Local sorts before Gem::Source and after Gem::Source::Installed
def <=> other
case other
when Gem::Source::Installed,
Gem::Source::Lock then
-1
when Gem::Source::Local then
0
when Gem::Source then
1
else
nil
end
end
def inspect # :nodoc:
keys = @specs ? @specs.keys.sort : 'NOT LOADED'
"#<%s specs: %p>" % [self.class, keys]
end
def load_specs type # :nodoc:
names = []
@specs = {}
Dir["*.gem"].each do |file|
begin
pkg = Gem::Package.new(file)
rescue SystemCallError, Gem::Package::FormatError
# ignore
else
tup = pkg.spec.name_tuple
@specs[tup] = [File.expand_path(file), pkg]
case type
when :released
unless pkg.spec.version.prerelease?
names << pkg.spec.name_tuple
end
when :prerelease
if pkg.spec.version.prerelease?
names << pkg.spec.name_tuple
end
when :latest
tup = pkg.spec.name_tuple
cur = names.find { |x| x.name == tup.name }
if !cur
names << tup
elsif cur.version < tup.version
names.delete cur
names << tup
end
else
names << pkg.spec.name_tuple
end
end
end
names
end
def find_gem gem_name, version = Gem::Requirement.default, # :nodoc:
prerelease = false
load_specs :complete
found = []
@specs.each do |n, data|
if n.name == gem_name
s = data[1].spec
if version.satisfied_by?(s.version)
if prerelease
found << s
elsif !s.version.prerelease?
found << s
end
end
end
end
found.max_by { |s| s.version }
end
def fetch_spec name # :nodoc:
load_specs :complete
if data = @specs[name]
data.last.spec
else
raise Gem::Exception, "Unable to find spec for #{name.inspect}"
end
end
def download spec, cache_dir = nil # :nodoc:
load_specs :complete
@specs.each do |name, data|
return data[0] if data[1].spec == spec
end
raise Gem::Exception, "Unable to find file for '#{spec.full_name}'"
end
def pretty_print q # :nodoc:
q.group 2, '[Local gems:', ']' do
q.breakable
q.seplist @specs.keys do |v|
q.text v.full_name
end
end
end
end
|
