main source code

1 /*
2 Copyright (c) 2019 Timur Gafarov
3 
4 Boost Software License - Version 1.0 - August 17th, 2003
5 
6 Permission is hereby granted, free of charge, to any person or organization
7 obtaining a copy of the software and accompanying documentation covered by
8 this license (the "Software") to use, reproduce, display, distribute,
9 execute, and transmit the Software, and to prepare derivative works of the
10 Software, and to permit third-parties to whom the Software is furnished to
11 do so, all subject to the following:
12 
13 The copyright notices in the Software and this entire statement, including
14 the above license grant, this restriction and the following disclaimer,
15 must be included in all copies of the Software, in whole or in part, and
16 all derivative works of the Software, unless such copies or derivative
17 works are solely in the form of machine-executable object code generated by
18 a source language processor.
19 
20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
23 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
24 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
25 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 DEALINGS IN THE SOFTWARE.
27 */
28 
29 module main;
30 
31 import std.stdio;
32 import std.array: split;
33 import std.file: readText, exists, mkdir, getcwd, write;
34 import std.process: execute, Config;
35 import std.json;
36 import std.path: absolutePath;
37 
38 struct Git
39 {
40     string workDir;
41     
42     this(string dir)
43     {
44         workDir = dir;
45     }
46     
47     auto cmd(string[] commands)
48     {
49         return execute(["git"] ~ commands, null, Config.none, size_t.max, workDir);
50     }
51     
52     auto cmd(string command)
53     {
54         return cmd([command]);
55     }
56     
57     auto clone(string url)
58     {
59         return cmd(["clone"] ~ url);
60     }
61     
62     auto checkout(string branchName)
63     {
64         return cmd(["checkout"] ~ branchName);
65     }
66     
67     auto pull()
68     {
69         return cmd("pull");
70     }
71 }
72 
73 void run()
74 {
75     string s = readText("dependencies.json");
76     JSONValue dubConfig = parseJSON(s);
77     JSONValue deps = dubConfig["git"];
78     
79     JSONValue[string] versions;
80     
81     foreach(string depName, ref JSONValue _dep; deps)
82     {
83         string[] s = depName.split(":");
84         string packageName = s[0];
85         string subpackageName = "";
86         if (s.length > 1)
87             subpackageName = s[1];
88         
89         JSONValue dep = deps[packageName];
90         string repoUrl = dep.array[0].str;
91         string branchName = dep.array[1].str;
92         string dir = ".resolve/" ~ packageName;
93 
94         if (!exists(".resolve")) 
95             mkdir(".resolve");
96 
97         Git repo;
98         string dirAbs = absolutePath(dir);
99         
100         writeln("Resolving ", depName, "@", branchName, " to ", "\"", dir, "\"...");
101         
102         string gitConfig = dir ~ "/.git/config";
103         
104         if (exists(gitConfig))
105         {
106             repo = Git(dirAbs);
107             repo.pull();
108         }
109         else
110         {
111             repo = Git(absolutePath(".resolve"));
112             repo.clone(repoUrl);
113             repo = Git(dirAbs);
114             repo.checkout(branchName);
115         }
116         
117         if (subpackageName != "")
118             versions[depName] = JSONValue(["path": JSONValue(dir)]);
119         else
120             versions[packageName] = JSONValue(["path": JSONValue(dir)]);
121     }
122     
123     JSONValue dubSelections;
124 
125     if (exists("dub.selections.json"))
126     {
127         dubSelections = parseJSON(readText("dub.selections.json"));
128         if ("versions" in dubSelections)
129         {
130             foreach(name, value; versions)
131                 dubSelections["versions"][name] = value;
132         }
133         else
134         {
135             dubSelections["versions"] = JSONValue(versions);
136         }
137     }
138     else
139     {
140         dubSelections = JSONValue(
141         [
142             "fileVersion": JSONValue(1),
143             "versions": JSONValue(versions)
144         ]);
145     }
146     
147     writeln("Updating dub.selections.json...");
148     write("dub.selections.json", dubSelections.toPrettyString(JSONOptions.doNotEscapeSlashes));
149     
150     writeln("Done. Run \"dub build\".");
151 }
152 
153 void main()
154 {
155     run();
156 }