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
|
#include "store-api.hh"
namespace nix {
MakeError(BadStorePath, Error);
static void checkName(std::string_view path, std::string_view name)
{
if (name.empty())
throw BadStorePath("store path '%s' has an empty name", path);
if (name.size() > 211)
throw BadStorePath("store path '%s' has a name longer than 211 characters", path);
for (auto c : name)
if (!((c >= '0' && c <= '9')
|| (c >= 'a' && c <= 'z')
|| (c >= 'A' && c <= 'Z')
|| c == '+' || c == '-' || c == '.' || c == '_' || c == '?' || c == '='))
throw BadStorePath("store path '%s' contains illegal character '%s'", path, c);
}
StorePath::StorePath(std::string_view _baseName)
: baseName(_baseName)
{
if (baseName.size() < HashLen + 1)
throw BadStorePath("'%s' is too short to be a valid store path", baseName);
for (auto c : hashPart())
if (c == 'e' || c == 'o' || c == 'u' || c == 't'
|| !((c >= '0' && c <= '9') || (c >= 'a' && c <= 'z')))
throw BadStorePath("store path '%s' contains illegal base-32 character '%s'", baseName, c);
checkName(baseName, name());
}
StorePath::StorePath(const Hash & hash, std::string_view _name)
: baseName((hash.to_string(Base32, false) + "-").append(std::string(_name)))
{
checkName(baseName, name());
}
bool StorePath::isDerivation() const
{
return hasSuffix(name(), drvExtension);
}
StorePath StorePath::dummy("ffffffffffffffffffffffffffffffff-x");
StorePath Store::parseStorePath(std::string_view path) const
{
auto p = canonPath(std::string(path));
if (dirOf(p) != storeDir)
throw BadStorePath("path '%s' is not in the Nix store", p);
return StorePath(baseNameOf(p));
}
std::optional<StorePath> Store::maybeParseStorePath(std::string_view path) const
{
try {
return parseStorePath(path);
} catch (Error &) {
return {};
}
}
bool Store::isStorePath(std::string_view path) const
{
return (bool) maybeParseStorePath(path);
}
StorePathSet Store::parseStorePathSet(const PathSet & paths) const
{
StorePathSet res;
for (auto & i : paths) res.insert(parseStorePath(i));
return res;
}
std::string Store::printStorePath(const StorePath & path) const
{
return (storeDir + "/").append(path.to_string());
}
PathSet Store::printStorePathSet(const StorePathSet & paths) const
{
PathSet res;
for (auto & i : paths) res.insert(printStorePath(i));
return res;
}
StorePathSet cloneStorePathSet(const StorePathSet & paths)
{
StorePathSet res;
for (auto & p : paths)
res.insert(p.clone());
return res;
}
StorePathSet storePathsToSet(const StorePaths & paths)
{
StorePathSet res;
for (auto & p : paths)
res.insert(p.clone());
return res;
}
StorePathSet singleton(const StorePath & path)
{
StorePathSet res;
res.insert(path.clone());
return res;
}
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s)
{
size_t n = s.find("!");
return n == s.npos
? std::make_pair(s, std::set<string>())
: std::make_pair(((std::string_view) s).substr(0, n),
tokenizeString<std::set<string>>(((std::string_view) s).substr(n + 1), ","));
}
StorePathWithOutputs Store::parsePathWithOutputs(const std::string & s)
{
auto [path, outputs] = nix::parsePathWithOutputs(s);
return {parseStorePath(path), std::move(outputs)};
}
}
|
