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<div class="title">Fetcher.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="Fetcher_8hpp.html">chi/Fetcher/Fetcher.hpp</a>&quot;</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &lt;git2.h&gt;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;boost/filesystem/fstream.hpp&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;boost/filesystem/operations.hpp&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="keyword">namespace </span>fs = boost::filesystem;</div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacechi.html">chi</a> {</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;Result <a class="code" href="namespacechi.html#a3cb9bd41eebfa97c5819f48e176aa63d">fetchModule</a>(<span class="keyword">const</span> fs::path&amp; workspacePath, <span class="keyword">const</span> fs::path&amp; name, <span class="keywordtype">bool</span> recursive) {</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;    <span class="comment">// init it (pretty sure it inits windows networking stuff)</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;    git_libgit2_init();</div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    Result res;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    <span class="keyword">auto</span> modCtx = res.addScopedContext({{<span class="stringliteral">&quot;Module Name&quot;</span>, name.string()}});</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    <span class="keywordflow">if</span> (name == <span class="stringliteral">&quot;lang&quot;</span>) { <span class="keywordflow">return</span> res; }</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <span class="comment">// get the url</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    std::string url;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    std::string cloneInto;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    VCSType     type;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    std::tie(type, url, cloneInto) = <a class="code" href="namespacechi.html#aa39dc32f0a553366a3e039b3f26402be">resolveUrlFromModuleName</a>(name);</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    <span class="comment">// see if it exists</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    <span class="keyword">auto</span> fileName = workspacePath / <span class="stringliteral">&quot;src&quot;</span> / fs::path(name).replace_extension(<span class="stringliteral">&quot;.chimod&quot;</span>);</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keywordtype">bool</span> exists   = fs::is_regular_file(fileName);</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keywordflow">if</span> (exists) {</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        <span class="comment">// try to pull it</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        <span class="comment">// see if it&#39;s actually a git repository</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        <span class="keyword">auto</span> repoPath = workspacePath / <span class="stringliteral">&quot;src&quot;</span> / cloneInto;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        <span class="keywordflow">if</span> (cloneInto == <span class="stringliteral">&quot;&quot;</span> || !fs::is_directory(repoPath / <span class="stringliteral">&quot;.git&quot;</span>)) {</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;            <span class="comment">// it&#39;s not a git repo, just exit</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        }</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        <span class="keyword">auto</span> repoPathCtx = res.addScopedContext({{<span class="stringliteral">&quot;Repo Path&quot;</span>, repoPath.string()}});</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        <span class="keywordflow">if</span> (type == VCSType::Unknown) {</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Could not resolve URL for module&quot;</span>, {});</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        }</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        assert(type == VCSType::Git &amp;&amp; <span class="stringliteral">&quot;Currently only Git is implemented for fetching modules.&quot;</span>);</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        <span class="comment">// open the repository</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        git_repository* repo;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        <span class="keywordtype">int</span>             err = git_repository_open(&amp;repo, repoPath.string().c_str());</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to open git repository&quot;</span>,</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;                         {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        }</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="comment">// get the remote</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        git_remote* origin;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        err = git_remote_lookup(&amp;origin, repo, <span class="stringliteral">&quot;origin&quot;</span>);</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;            res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to get remote origin&quot;</span>,</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;                         {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        }</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        <span class="comment">// fetch</span></div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        git_fetch_options opts = GIT_FETCH_OPTIONS_INIT;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        err                    = git_remote_fetch(origin, <span class="keyword">nullptr</span>, &amp;opts, <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to fetch repo&quot;</span>,</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                         {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        }</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="comment">// get which heads we need to merge</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        std::pair&lt;std::string, git_oid&gt; oid_to_merge;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        git_repository_fetchhead_foreach(</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;            repo,</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            [](<span class="keyword">const</span> <span class="keywordtype">char</span>* name, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="comment">/*url*/</span>, <span class="keyword">const</span> git_oid* oid, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> is_merge,</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;               <span class="keywordtype">void</span>* payload) -&gt; <span class="keywordtype">int</span> {</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;                <span class="keyword">auto</span>&amp; oids_to_merge = *<span class="keyword">reinterpret_cast&lt;</span>std::pair&lt;std::string, git_oid&gt;*<span class="keyword">&gt;</span>(payload);</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;                <span class="keywordflow">if</span> (is_merge != 0u) { oids_to_merge = {name, *oid}; }</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;                <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;            },</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;            &amp;oid_to_merge);</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="comment">// get origin/master</span></div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        git_annotated_commit* originmaster;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        err = git_annotated_commit_lookup(&amp;originmaster, repo, &amp;oid_to_merge.second);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to get new head from repo&quot;</span>,</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;                         {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        }</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        <span class="keyword">auto</span> annotatedCommits = <span class="keyword">const_cast&lt;</span><span class="keyword">const </span>git_annotated_commit**<span class="keyword">&gt;</span>(&amp;originmaster);</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="comment">// see what we need to do</span></div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        git_merge_analysis_t   anaylisis;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        git_merge_preference_t pref;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        git_merge_analysis(&amp;anaylisis, &amp;pref, repo, annotatedCommits, 1);</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <span class="keywordflow">if</span> ((anaylisis &amp; GIT_MERGE_ANALYSIS_UP_TO_DATE) != 0 ||</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;            (anaylisis &amp; GIT_MERGE_ANALYSIS_NONE) != 0) {</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            <span class="comment">// nothing to do, just return</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        }</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keywordflow">if</span> ((anaylisis &amp; GIT_MERGE_ANALYSIS_FASTFORWARD) != 0) {</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;            <span class="comment">// we can fast forward, do it</span></div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;            <span class="comment">// get master</span></div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            git_reference* master;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            err = git_repository_head(&amp;master, repo);</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to get reference to master&quot;</span>,</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;            }</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;            <span class="comment">// fast forward</span></div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;            git_reference* createdRef;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            err = git_reference_set_target(&amp;createdRef, master, &amp;oid_to_merge.second, <span class="stringliteral">&quot;pull&quot;</span>);</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to fast forward&quot;</span>,</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;            }</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;            <span class="comment">// get head</span></div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;            git_index* head;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;            err = git_repository_index(&amp;head, repo);</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to get HEAD&quot;</span>,</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            }</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            <span class="comment">// reset to it</span></div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            git_oid oid{};</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;            err = git_index_write_tree_to(&amp;oid, head, repo);</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to write index to tree&quot;</span>,</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;            }</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((anaylisis &amp; GIT_MERGE_ANALYSIS_NORMAL) != 0) {</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            <span class="comment">// merge and commit</span></div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;            git_merge_options    mergeOpts    = GIT_MERGE_OPTIONS_INIT;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            git_checkout_options checkoutOpts = GIT_CHECKOUT_OPTIONS_INIT;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            checkoutOpts.checkout_strategy    = GIT_CHECKOUT_SAFE;  <span class="comment">// see</span></div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            <span class="comment">// http://stackoverflow.com/questions/39651287/doing-a-git-pull-with-libgit2</span></div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;            err = git_merge(repo, annotatedCommits, 1, &amp;mergeOpts, &amp;checkoutOpts);</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to merge branch&quot;</span>,</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;            }</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            <span class="comment">// see if there are conflicts</span></div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            <span class="comment">// get head</span></div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            git_index* head;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;            err = git_repository_index(&amp;head, repo);</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to get HEAD&quot;</span>,</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            }</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            <span class="comment">// check for conflicts</span></div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;            <span class="keywordflow">if</span> (git_index_has_conflicts(head) != 0) {</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;                <span class="comment">// there are conflicts</span></div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                res.addEntry(<span class="stringliteral">&quot;WUKN&quot;</span>, <span class="stringliteral">&quot;Merge conflicts when pulling, manually resolve them.&quot;</span>, {});</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            }</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            <span class="comment">// commit the merge</span></div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;            <span class="comment">// create a signature for this code</span></div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;            git_signature* committerSignature;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;            err = git_signature_now(&amp;committerSignature, <span class="stringliteral">&quot;Chigraph Fetch&quot;</span>,</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;                                    <span class="stringliteral">&quot;russellgreene8@gmail.com&quot;</span>);</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to create git signature&quot;</span>,</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            }</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;            <span class="comment">// get the origin/master commit</span></div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            git_commit* origin_master_commit;</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            err = git_commit_lookup(&amp;origin_master_commit, repo, &amp;oid_to_merge.second);</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to get commit for origin/master&quot;</span>,</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            }</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;            <span class="comment">// get the head commit</span></div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;            git_oid parent_headoid{};</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            err = git_reference_name_to_id(&amp;parent_headoid, repo, <span class="stringliteral">&quot;HEAD&quot;</span>);</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to get reference to HEAD&quot;</span>,</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            }</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;            git_commit* head_parent;</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;            err = git_commit_lookup(&amp;head_parent, repo, &amp;parent_headoid);</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to get commit from oid&quot;</span>,</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;            }</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;            <span class="comment">// get the tree</span></div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;            git_tree* tree;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;            err = git_commit_tree(&amp;tree, head_parent);</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to git tree from commit&quot;</span>,</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;            }</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;            <span class="keyword">const</span> git_commit* parents[] = {head_parent, origin_master_commit};</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;            git_oid     newCommit{};</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;            std::string commitMsg = std::string(<span class="stringliteral">&quot;Merge &quot;</span>) + git_oid_tostr_s(&amp;oid_to_merge.second);</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;            err                   = git_commit_create(&amp;newCommit, repo, <span class="stringliteral">&quot;HEAD&quot;</span>, committerSignature,</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;                                    committerSignature, <span class="stringliteral">&quot;UTF-8&quot;</span>, commitMsg.c_str(), tree,</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;                                    <span class="keyword">sizeof</span>(parents) / <span class="keyword">sizeof</span>(git_commit*),</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;                                    <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>git_commit**<span class="keyword">&gt;</span>(parents));</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;            <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;                res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to create commit&quot;</span>,</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;                             {{<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;            }</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;        }</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        git_annotated_commit_free(originmaster);</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;        git_repository_state_cleanup(repo);</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;        <span class="comment">// doesn&#39;t exist, clone</span></div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        <span class="keywordflow">if</span> (type == VCSType::Unknown) {</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;            res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Could not resolve URL for module&quot;</span>, {});</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        }</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;        assert(type == VCSType::Git);</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;        <span class="keyword">auto</span> absCloneInto = workspacePath / <span class="stringliteral">&quot;src&quot;</span> / cloneInto;</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        <span class="comment">// make sure the directory exists</span></div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        fs::create_directories(absCloneInto.parent_path());</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        <span class="comment">// clone it</span></div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;        git_repository* repo;</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        <span class="keywordtype">int</span>             err = git_clone(&amp;repo, url.c_str(), absCloneInto.string().c_str(), <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;        <span class="comment">// check for error</span></div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;        <span class="keywordflow">if</span> (err != 0) {</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;            res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to clone repository&quot;</span>,</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;                         {{<span class="stringliteral">&quot;Error Code&quot;</span>, err}, {<span class="stringliteral">&quot;Error Message&quot;</span>, giterr_last()-&gt;message}});</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;            <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;        }</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    }</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    </div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    <span class="keywordflow">if</span> (!fs::is_regular_file(fileName)) {</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;      res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Module doesn&#39;t exist&quot;</span>, {{<span class="stringliteral">&quot;File Name&quot;</span>, fileName.string()}});</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;      <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    }</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    <span class="keywordflow">if</span> (recursive) {</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        <span class="comment">// peek at the dependencies</span></div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        <span class="comment">// TODO(#79): is there a cleaner way to do this?</span></div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        nlohmann::json j;</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        <span class="keywordflow">try</span> {</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;            fs::ifstream file{fileName};</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;            file &gt;&gt; j;</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        } <span class="keywordflow">catch</span> (std::exception&amp; e) {</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;            res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to parse JSON&quot;</span>,</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;                         {{<span class="stringliteral">&quot;File&quot;</span>, fileName.string()}, {<span class="stringliteral">&quot;Error Message&quot;</span>, e.what()}});</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        }</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;        <span class="keywordflow">if</span> (j.find(<span class="stringliteral">&quot;dependencies&quot;</span>) != j.end() || !j[<span class="stringliteral">&quot;dependencies&quot;</span>].is_array()) { <span class="keywordflow">return</span> res; }</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;        <span class="comment">// fetch the dependencies</span></div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;        <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; dep : j[<span class="stringliteral">&quot;dependencies&quot;</span>]) {</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;            std::string depName = dep;</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;            <a class="code" href="namespacechi.html#a3cb9bd41eebfa97c5819f48e176aa63d">fetchModule</a>(workspacePath, depName, <span class="keyword">true</span>);</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;        }</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    }</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;}</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;</div><div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="namespacechi.html#aa39dc32f0a553366a3e039b3f26402be">  303</a></span>&#160;std::tuple&lt;VCSType, std::string, std::string&gt; <a class="code" href="namespacechi.html#aa39dc32f0a553366a3e039b3f26402be">resolveUrlFromModuleName</a>(</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="keyword">const</span> boost::filesystem::path&amp; path) {</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    <span class="comment">// handle github</span></div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    {</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;        <span class="keyword">auto</span> beginIter = path.begin();</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;        <span class="keywordflow">if</span> (beginIter != path.end() &amp;&amp; *beginIter == <span class="stringliteral">&quot;github.com&quot;</span>) {</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;            std::string folderName = beginIter-&gt;string();</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;            <span class="comment">// get the url</span></div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;            ++beginIter;</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;            <span class="keywordflow">if</span> (beginIter != path.end()) {</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;                folderName += <span class="stringliteral">&quot;/&quot;</span>;</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;                folderName += beginIter-&gt;string();</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;                ++beginIter;</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;                <span class="keywordflow">if</span> (beginIter != path.end()) {</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;                    folderName += <span class="stringliteral">&quot;/&quot;</span>;</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;                    folderName += beginIter-&gt;string();</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;                }</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;                <span class="keywordflow">return</span> std::make_tuple(VCSType::Git, <span class="stringliteral">&quot;https://&quot;</span> + folderName, folderName);</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;            }</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;        }</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    }</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    <span class="keywordflow">return</span> std::make_tuple(VCSType::Unknown, <span class="stringliteral">&quot;&quot;</span>, <span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;}</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;}  <span class="comment">// namespace chi</span></div><div class="ttc" id="Fetcher_8hpp_html"><div class="ttname"><a href="Fetcher_8hpp.html">Fetcher.hpp</a></div></div>
<div class="ttc" id="namespacechi_html_a3cb9bd41eebfa97c5819f48e176aa63d"><div class="ttname"><a href="namespacechi.html#a3cb9bd41eebfa97c5819f48e176aa63d">chi::fetchModule</a></div><div class="ttdeci">Result fetchModule(const boost::filesystem::path &amp;workspacePath, const boost::filesystem::path &amp;name, bool recursive)</div><div class="ttdoc">Downloads a module from a remote URL, currently supports. </div></div>
<div class="ttc" id="namespacechi_html"><div class="ttname"><a href="namespacechi.html">chi</a></div><div class="ttdoc">The namespace where chigraph lives. </div><div class="ttdef"><b>Definition:</b> <a href="BitcodeParser_8hpp_source.html#l00012">BitcodeParser.hpp:12</a></div></div>
<div class="ttc" id="namespacechi_html_aa39dc32f0a553366a3e039b3f26402be"><div class="ttname"><a href="namespacechi.html#aa39dc32f0a553366a3e039b3f26402be">chi::resolveUrlFromModuleName</a></div><div class="ttdeci">std::tuple&lt; VCSType, std::string, std::string &gt; resolveUrlFromModuleName(const boost::filesystem::path &amp;path)</div><div class="ttdoc">Get the URL for a VCS repository from a module name. </div><div class="ttdef"><b>Definition:</b> <a href="Fetcher_8cpp_source.html#l00303">Fetcher.cpp:303</a></div></div>
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