blob: decedd6a24301804ca356bdcbc077d01db560ae7 (
plain)
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
|
/*
* Mini version of cargo
*
* main.cpp
* - Entrypoint
*/
#include <iostream>
#include <cstring> // strcmp
#include <map>
#include "debug.h"
#include "manifest.h"
#include "helpers.h"
#include "repository.h"
extern void MiniCargo_Build(const PackageManifest& manifest, ::helpers::path override_path);
struct ProgramOptions
{
const char* directory = nullptr;
const char* outfile = nullptr;
// Directory containing build script outputs
const char* override_directory = nullptr;
const char* output_directory = nullptr;
const char* vendor_dir = nullptr;
int parse(int argc, const char* argv[]);
void usage() const;
};
int main(int argc, const char* argv[])
{
ProgramOptions opts;
if( opts.parse(argc, argv) ) {
return 1;
}
try
{
// Load package database
Repository repo;
// TODO: load repository from a local cache
if( opts.vendor_dir )
{
repo.load_vendored(opts.vendor_dir);
}
// 1. Load the Cargo.toml file from the passed directory
auto dir = ::helpers::path(opts.directory ? opts.directory : ".");
auto m = PackageManifest::load_from_toml( dir / "Cargo.toml" );
m.load_dependencies(repo);
// 3. Build dependency tree
MiniCargo_Build(m, opts.override_directory ? ::helpers::path(opts.override_directory) : ::helpers::path() );
}
catch(const ::std::exception& e)
{
::std::cerr << "EXCEPTION: " << e.what() << ::std::endl;
::std::cout << "Press enter to exit..." << ::std::endl;
::std::cin.get();
return 1;
}
::std::cout << "Press enter to exit..." << ::std::endl;
::std::cin.get();
return 0;
}
int ProgramOptions::parse(int argc, const char* argv[])
{
bool all_free = false;
for(int i = 1; i < argc; i++)
{
const char* arg = argv[i];
if( arg[0] != '-' || all_free )
{
// Free arguments
if( !this->directory ) {
this->directory = arg;
}
else {
}
}
else if( arg[1] != '-' )
{
// Short arguments
}
else if( arg[1] == '\0' )
{
all_free = true;
}
else
{
// Long arguments
if( ::std::strcmp(arg, "--script-overrides") == 0 ) {
if(i+1 == argc) {
::std::cerr << "Flag " << arg << " takes an argument" << ::std::endl;
return 1;
}
this->override_directory = argv[++i];
}
else if( ::std::strcmp(arg, "--vendor-dir") == 0 ) {
if(i+1 == argc) {
::std::cerr << "Flag " << arg << " takes an argument" << ::std::endl;
return 1;
}
this->vendor_dir = argv[++i];
}
else {
::std::cerr << "Unknown flag " << arg << ::std::endl;
}
}
}
if( !this->directory /*|| !this->outfile*/ )
{
usage();
exit(1);
}
return 0;
}
void ProgramOptions::usage() const
{
::std::cerr
<< "Usage: minicargo <package dir>" << ::std::endl
;
}
void Debug_Print(::std::function<void(::std::ostream& os)> cb)
{
cb(::std::cout);
::std::cout << ::std::endl;
}
|
