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diff --git a/ex/v1.6.1/blame.html b/ex/v1.6.1/blame.html new file mode 100644 index 000000000..70653a67e --- /dev/null +++ b/ex/v1.6.1/blame.html @@ -0,0 +1,328 @@ +<!DOCTYPE html> +<html> +<head> + <meta http-equiv="content-type" content="text/html;charset=utf-8"> + <title>blame.c</title> + <link rel="stylesheet" href="../css.css"> + <style type="text/css"> + a.fnlink {text-decoration: none} + a.fnlink:hover {text-decoration: underline} + </style> +</head> +<body> +<div id='container'> + <div id="background"></div> + <div id="jump_to"> + Jump To … + <div id="jump_wrapper"> + <div id="jump_page"> + <a class="source" href="../../#v1.6.1">API Docs</a> + <a class="source" href="add.html">add.c</a> + <a class="source" href="args.html">args.c</a> + <a class="source" href="blame.html">blame.c</a> + <a class="source" href="cat-file.html">cat-file.c</a> + <a class="source" href="checkout.html">checkout.c</a> + <a class="source" href="clone.html">clone.c</a> + <a class="source" href="commit.html">commit.c</a> + <a class="source" href="common.html">common.c</a> + <a class="source" href="config.html">config.c</a> + <a class="source" href="describe.html">describe.c</a> + <a class="source" href="diff.html">diff.c</a> + <a class="source" href="fetch.html">fetch.c</a> + <a class="source" href="for-each-ref.html">for-each-ref.c</a> + <a class="source" href="general.html">general.c</a> + <a class="source" href="index-pack.html">index-pack.c</a> + <a class="source" href="init.html">init.c</a> + <a class="source" href="lg2.html">lg2.c</a> + <a class="source" href="log.html">log.c</a> + <a class="source" href="ls-files.html">ls-files.c</a> + <a class="source" href="ls-remote.html">ls-remote.c</a> + <a class="source" href="merge.html">merge.c</a> + <a class="source" href="push.html">push.c</a> + <a class="source" href="remote.html">remote.c</a> + <a class="source" href="rev-list.html">rev-list.c</a> + <a class="source" href="rev-parse.html">rev-parse.c</a> + <a class="source" href="show-index.html">show-index.c</a> + <a class="source" href="stash.html">stash.c</a> + <a class="source" href="status.html">status.c</a> + <a class="source" href="tag.html">tag.c</a> + </div> + </div> + </div> + <table cellspacing=0 cellpadding=0> + <thead> + <tr> + <th class=docs><h1>blame.c</h1></th> + <th class=code></th> + </tr> + </thead> + <tbody> + <tr id='section-1'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-1">¶</a> + </div> + + </td> + <td class=code> + <div class='highlight'><pre><span></span><span class="cm">/*</span> +<span class="cm"> * libgit2 "blame" example - shows how to use the blame API</span> +<span class="cm"> *</span> +<span class="cm"> * Written by the libgit2 contributors</span> +<span class="cm"> *</span> +<span class="cm"> * To the extent possible under law, the author(s) have dedicated all copyright</span> +<span class="cm"> * and related and neighboring rights to this software to the public domain</span> +<span class="cm"> * worldwide. This software is distributed without any warranty.</span> +<span class="cm"> *</span> +<span class="cm"> * You should have received a copy of the CC0 Public Domain Dedication along</span> +<span class="cm"> * with this software. If not, see</span> +<span class="cm"> * <http://creativecommons.org/publicdomain/zero/1.0/>.</span> +<span class="cm"> */</span> + +<span class="cp">#include</span> <span class="cpf">"common.h"</span><span class="cp"></span></pre></div> + </td> + </tr> + <tr id='section-2'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-2">¶</a> + </div> + <p>This example demonstrates how to invoke the libgit2 blame API to roughly +simulate the output of <code>git blame</code> and a few of its command line arguments.</p> + </td> + <td class=code> + <div class='highlight'><pre><span class="k">struct</span> <span class="n">blame_opts</span> <span class="p">{</span> + <span class="kt">char</span> <span class="o">*</span><span class="n">path</span><span class="p">;</span> + <span class="kt">char</span> <span class="o">*</span><span class="n">commitspec</span><span class="p">;</span> + <span class="kt">int</span> <span class="n">C</span><span class="p">;</span> + <span class="kt">int</span> <span class="n">M</span><span class="p">;</span> + <span class="kt">int</span> <span class="n">start_line</span><span class="p">;</span> + <span class="kt">int</span> <span class="n">end_line</span><span class="p">;</span> + <span class="kt">int</span> <span class="n">F</span><span class="p">;</span> +<span class="p">};</span> +<span class="k">static</span> <span class="kt">void</span> <span class="nf">parse_opts</span><span class="p">(</span><span class="k">struct</span> <span class="n">blame_opts</span> <span class="o">*</span><span class="n">o</span><span class="p">,</span> <span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="o">*</span><span class="n">argv</span><span class="p">[]);</span> + +<span class="kt">int</span> <span class="nf">lg2_blame</span><span class="p">(</span><span class="n">git_repository</span> <span class="o">*</span><span class="n">repo</span><span class="p">,</span> <span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="o">*</span><span class="n">argv</span><span class="p">[])</span> +<span class="p">{</span> + <span class="kt">int</span> <span class="n">line</span><span class="p">,</span> <span class="n">break_on_null_hunk</span><span class="p">;</span> + <span class="n">git_object_size_t</span> <span class="n">i</span><span class="p">,</span> <span class="n">rawsize</span><span class="p">;</span> + <span class="kt">char</span> <span class="n">spec</span><span class="p">[</span><span class="mi">1024</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="mi">0</span><span class="p">};</span> + <span class="k">struct</span> <span class="n">blame_opts</span> <span class="n">o</span> <span class="o">=</span> <span class="p">{</span><span class="mi">0</span><span class="p">};</span> + <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">rawdata</span><span class="p">;</span> + <span class="n">git_revspec</span> <span class="n">revspec</span> <span class="o">=</span> <span class="p">{</span><span class="mi">0</span><span class="p">};</span> + <span class="n">git_blame_options</span> <span class="n">blameopts</span> <span class="o">=</span> <span class="n">GIT_BLAME_OPTIONS_INIT</span><span class="p">;</span> + <span class="n">git_blame</span> <span class="o">*</span><span class="n">blame</span> <span class="o">=</span> <span class="nb">NULL</span><span class="p">;</span> + <span class="n">git_blob</span> <span class="o">*</span><span class="n">blob</span><span class="p">;</span> + <span class="n">git_object</span> <span class="o">*</span><span class="n">obj</span><span class="p">;</span> + + <span class="n">parse_opts</span><span class="p">(</span><span class="o">&</span><span class="n">o</span><span class="p">,</span> <span class="n">argc</span><span class="p">,</span> <span class="n">argv</span><span class="p">);</span> + <span class="k">if</span> <span class="p">(</span><span class="n">o</span><span class="p">.</span><span class="n">M</span><span class="p">)</span> <span class="n">blameopts</span><span class="p">.</span><span class="n">flags</span> <span class="o">|=</span> <span class="n">GIT_BLAME_TRACK_COPIES_SAME_COMMIT_MOVES</span><span class="p">;</span> + <span class="k">if</span> <span class="p">(</span><span class="n">o</span><span class="p">.</span><span class="n">C</span><span class="p">)</span> <span class="n">blameopts</span><span class="p">.</span><span class="n">flags</span> <span class="o">|=</span> <span class="n">GIT_BLAME_TRACK_COPIES_SAME_COMMIT_COPIES</span><span class="p">;</span> + <span class="k">if</span> <span class="p">(</span><span class="n">o</span><span class="p">.</span><span class="n">F</span><span class="p">)</span> <span class="n">blameopts</span><span class="p">.</span><span class="n">flags</span> <span class="o">|=</span> <span class="n">GIT_BLAME_FIRST_PARENT</span><span class="p">;</span></pre></div> + </td> + </tr> + <tr id='section-3'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-3">¶</a> + </div> + <p>The commit range comes in "committish" form. Use the rev-parse API to +nail down the end points.</p> + </td> + <td class=code> + <div class='highlight'><pre> <span class="k">if</span> <span class="p">(</span><span class="n">o</span><span class="p">.</span><span class="n">commitspec</span><span class="p">)</span> <span class="p">{</span> + <span class="n">check_lg2</span><span class="p">(</span><span class="n"><a name="git_revparse-23" class="fnlink" href="../../#v1.6.1/group/revparse/git_revparse">git_revparse</a></span><span class="p">(</span><span class="o">&</span><span class="n">revspec</span><span class="p">,</span> <span class="n">repo</span><span class="p">,</span> <span class="n">o</span><span class="p">.</span><span class="n">commitspec</span><span class="p">),</span> <span class="s">"Couldn't parse commit spec"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + <span class="k">if</span> <span class="p">(</span><span class="n">revspec</span><span class="p">.</span><span class="n">flags</span> <span class="o">&</span> <span class="n">GIT_REVSPEC_SINGLE</span><span class="p">)</span> <span class="p">{</span> + <span class="n"><a name="git_oid_cpy-18" class="fnlink" href="../../#v1.6.1/group/oid/git_oid_cpy">git_oid_cpy</a></span><span class="p">(</span><span class="o">&</span><span class="n">blameopts</span><span class="p">.</span><span class="n">newest_commit</span><span class="p">,</span> <span class="n"><a name="git_object_id-8" class="fnlink" href="../../#v1.6.1/group/object/git_object_id">git_object_id</a></span><span class="p">(</span><span class="n">revspec</span><span class="p">.</span><span class="n">from</span><span class="p">));</span> + <span class="n"><a name="git_object_free-12" class="fnlink" href="../../#v1.6.1/group/object/git_object_free">git_object_free</a></span><span class="p">(</span><span class="n">revspec</span><span class="p">.</span><span class="n">from</span><span class="p">);</span> + <span class="p">}</span> <span class="k">else</span> <span class="p">{</span> + <span class="n"><a name="git_oid_cpy-19" class="fnlink" href="../../#v1.6.1/group/oid/git_oid_cpy">git_oid_cpy</a></span><span class="p">(</span><span class="o">&</span><span class="n">blameopts</span><span class="p">.</span><span class="n">oldest_commit</span><span class="p">,</span> <span class="n"><a name="git_object_id-9" class="fnlink" href="../../#v1.6.1/group/object/git_object_id">git_object_id</a></span><span class="p">(</span><span class="n">revspec</span><span class="p">.</span><span class="n">from</span><span class="p">));</span> + <span class="n"><a name="git_oid_cpy-20" class="fnlink" href="../../#v1.6.1/group/oid/git_oid_cpy">git_oid_cpy</a></span><span class="p">(</span><span class="o">&</span><span class="n">blameopts</span><span class="p">.</span><span class="n">newest_commit</span><span class="p">,</span> <span class="n"><a name="git_object_id-10" class="fnlink" href="../../#v1.6.1/group/object/git_object_id">git_object_id</a></span><span class="p">(</span><span class="n">revspec</span><span class="p">.</span><span class="n">to</span><span class="p">));</span> + <span class="n"><a name="git_object_free-13" class="fnlink" href="../../#v1.6.1/group/object/git_object_free">git_object_free</a></span><span class="p">(</span><span class="n">revspec</span><span class="p">.</span><span class="n">from</span><span class="p">);</span> + <span class="n"><a name="git_object_free-14" class="fnlink" href="../../#v1.6.1/group/object/git_object_free">git_object_free</a></span><span class="p">(</span><span class="n">revspec</span><span class="p">.</span><span class="n">to</span><span class="p">);</span> + <span class="p">}</span> + <span class="p">}</span></pre></div> + </td> + </tr> + <tr id='section-4'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-4">¶</a> + </div> + <p>Run the blame.</p> + </td> + <td class=code> + <div class='highlight'><pre> <span class="n">check_lg2</span><span class="p">(</span><span class="n"><a name="git_blame_file-2" class="fnlink" href="../../#v1.6.1/group/blame/git_blame_file">git_blame_file</a></span><span class="p">(</span><span class="o">&</span><span class="n">blame</span><span class="p">,</span> <span class="n">repo</span><span class="p">,</span> <span class="n">o</span><span class="p">.</span><span class="n">path</span><span class="p">,</span> <span class="o">&</span><span class="n">blameopts</span><span class="p">),</span> <span class="s">"Blame error"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span></pre></div> + </td> + </tr> + <tr id='section-5'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-5">¶</a> + </div> + <p>Get the raw data inside the blob for output. We use the +<code>committish:path/to/file.txt</code> format to find it.</p> + </td> + <td class=code> + <div class='highlight'><pre> <span class="k">if</span> <span class="p">(</span><span class="n"><a name="git_oid_is_zero-21" class="fnlink" href="../../#v1.6.1/group/oid/git_oid_is_zero">git_oid_is_zero</a></span><span class="p">(</span><span class="o">&</span><span class="n">blameopts</span><span class="p">.</span><span class="n">newest_commit</span><span class="p">))</span> + <span class="n">strcpy</span><span class="p">(</span><span class="n">spec</span><span class="p">,</span> <span class="s">"HEAD"</span><span class="p">);</span> + <span class="k">else</span> + <span class="n"><a name="git_oid_tostr-16" class="fnlink" href="../../#v1.6.1/group/oid/git_oid_tostr">git_oid_tostr</a></span><span class="p">(</span><span class="n">spec</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">spec</span><span class="p">),</span> <span class="o">&</span><span class="n">blameopts</span><span class="p">.</span><span class="n">newest_commit</span><span class="p">);</span> + <span class="n">strcat</span><span class="p">(</span><span class="n">spec</span><span class="p">,</span> <span class="s">":"</span><span class="p">);</span> + <span class="n">strcat</span><span class="p">(</span><span class="n">spec</span><span class="p">,</span> <span class="n">o</span><span class="p">.</span><span class="n">path</span><span class="p">);</span> + + <span class="n">check_lg2</span><span class="p">(</span><span class="n"><a name="git_revparse_single-22" class="fnlink" href="../../#v1.6.1/group/revparse/git_revparse_single">git_revparse_single</a></span><span class="p">(</span><span class="o">&</span><span class="n">obj</span><span class="p">,</span> <span class="n">repo</span><span class="p">,</span> <span class="n">spec</span><span class="p">),</span> <span class="s">"Object lookup error"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + <span class="n">check_lg2</span><span class="p">(</span><span class="n"><a name="git_blob_lookup-4" class="fnlink" href="../../#v1.6.1/group/blob/git_blob_lookup">git_blob_lookup</a></span><span class="p">(</span><span class="o">&</span><span class="n">blob</span><span class="p">,</span> <span class="n">repo</span><span class="p">,</span> <span class="n"><a name="git_object_id-11" class="fnlink" href="../../#v1.6.1/group/object/git_object_id">git_object_id</a></span><span class="p">(</span><span class="n">obj</span><span class="p">)),</span> <span class="s">"Blob lookup error"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + <span class="n"><a name="git_object_free-15" class="fnlink" href="../../#v1.6.1/group/object/git_object_free">git_object_free</a></span><span class="p">(</span><span class="n">obj</span><span class="p">);</span> + + <span class="n">rawdata</span> <span class="o">=</span> <span class="n"><a name="git_blob_rawcontent-6" class="fnlink" href="../../#v1.6.1/group/blob/git_blob_rawcontent">git_blob_rawcontent</a></span><span class="p">(</span><span class="n">blob</span><span class="p">);</span> + <span class="n">rawsize</span> <span class="o">=</span> <span class="n"><a name="git_blob_rawsize-7" class="fnlink" href="../../#v1.6.1/group/blob/git_blob_rawsize">git_blob_rawsize</a></span><span class="p">(</span><span class="n">blob</span><span class="p">);</span></pre></div> + </td> + </tr> + <tr id='section-6'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-6">¶</a> + </div> + <p>Produce the output.</p> + </td> + <td class=code> + <div class='highlight'><pre> <span class="n">line</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> + <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> + <span class="n">break_on_null_hunk</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> + <span class="k">while</span> <span class="p">(</span><span class="n">i</span> <span class="o"><</span> <span class="n">rawsize</span><span class="p">)</span> <span class="p">{</span> + <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">eol</span> <span class="o">=</span> <span class="n">memchr</span><span class="p">(</span><span class="n">rawdata</span> <span class="o">+</span> <span class="n">i</span><span class="p">,</span> <span class="sc">'\n'</span><span class="p">,</span> <span class="p">(</span><span class="kt">size_t</span><span class="p">)(</span><span class="n">rawsize</span> <span class="o">-</span> <span class="n">i</span><span class="p">));</span> + <span class="kt">char</span> <span class="n">oid</span><span class="p">[</span><span class="mi">10</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="mi">0</span><span class="p">};</span> + <span class="k">const</span> <span class="n">git_blame_hunk</span> <span class="o">*</span><span class="n">hunk</span> <span class="o">=</span> <span class="n"><a name="git_blame_get_hunk_byline-1" class="fnlink" href="../../#v1.6.1/group/blame/git_blame_get_hunk_byline">git_blame_get_hunk_byline</a></span><span class="p">(</span><span class="n">blame</span><span class="p">,</span> <span class="n">line</span><span class="p">);</span> + + <span class="k">if</span> <span class="p">(</span><span class="n">break_on_null_hunk</span> <span class="o">&&</span> <span class="o">!</span><span class="n">hunk</span><span class="p">)</span> + <span class="k">break</span><span class="p">;</span> + + <span class="k">if</span> <span class="p">(</span><span class="n">hunk</span><span class="p">)</span> <span class="p">{</span> + <span class="kt">char</span> <span class="n">sig</span><span class="p">[</span><span class="mi">128</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="mi">0</span><span class="p">};</span> + <span class="n">break_on_null_hunk</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> + + <span class="n"><a name="git_oid_tostr-17" class="fnlink" href="../../#v1.6.1/group/oid/git_oid_tostr">git_oid_tostr</a></span><span class="p">(</span><span class="n">oid</span><span class="p">,</span> <span class="mi">10</span><span class="p">,</span> <span class="o">&</span><span class="n">hunk</span><span class="o">-></span><span class="n">final_commit_id</span><span class="p">);</span> + <span class="n">snprintf</span><span class="p">(</span><span class="n">sig</span><span class="p">,</span> <span class="mi">30</span><span class="p">,</span> <span class="s">"%s <%s>"</span><span class="p">,</span> <span class="n">hunk</span><span class="o">-></span><span class="n">final_signature</span><span class="o">-></span><span class="n">name</span><span class="p">,</span> <span class="n">hunk</span><span class="o">-></span><span class="n">final_signature</span><span class="o">-></span><span class="n">email</span><span class="p">);</span> + + <span class="n">printf</span><span class="p">(</span><span class="s">"%s ( %-30s %3d) %.*s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> + <span class="n">oid</span><span class="p">,</span> + <span class="n">sig</span><span class="p">,</span> + <span class="n">line</span><span class="p">,</span> + <span class="p">(</span><span class="kt">int</span><span class="p">)(</span><span class="n">eol</span> <span class="o">-</span> <span class="n">rawdata</span> <span class="o">-</span> <span class="n">i</span><span class="p">),</span> + <span class="n">rawdata</span> <span class="o">+</span> <span class="n">i</span><span class="p">);</span> + <span class="p">}</span> + + <span class="n">i</span> <span class="o">=</span> <span class="p">(</span><span class="kt">int</span><span class="p">)(</span><span class="n">eol</span> <span class="o">-</span> <span class="n">rawdata</span> <span class="o">+</span> <span class="mi">1</span><span class="p">);</span> + <span class="n">line</span><span class="o">++</span><span class="p">;</span> + <span class="p">}</span></pre></div> + </td> + </tr> + <tr id='section-7'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-7">¶</a> + </div> + <p>Cleanup.</p> + </td> + <td class=code> + <div class='highlight'><pre> <span class="n"><a name="git_blob_free-5" class="fnlink" href="../../#v1.6.1/group/blob/git_blob_free">git_blob_free</a></span><span class="p">(</span><span class="n">blob</span><span class="p">);</span> + <span class="n"><a name="git_blame_free-3" class="fnlink" href="../../#v1.6.1/group/blame/git_blame_free">git_blame_free</a></span><span class="p">(</span><span class="n">blame</span><span class="p">);</span> + + <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> +<span class="p">}</span></pre></div> + </td> + </tr> + <tr id='section-8'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-8">¶</a> + </div> + <p>Tell the user how to make this thing work.</p> + </td> + <td class=code> + <div class='highlight'><pre><span class="k">static</span> <span class="kt">void</span> <span class="nf">usage</span><span class="p">(</span><span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">msg</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">arg</span><span class="p">)</span> +<span class="p">{</span> + <span class="k">if</span> <span class="p">(</span><span class="n">msg</span> <span class="o">&&</span> <span class="n">arg</span><span class="p">)</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">msg</span><span class="p">,</span> <span class="n">arg</span><span class="p">);</span> + <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">msg</span><span class="p">)</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">msg</span><span class="p">);</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"usage: blame [options] [<commit range>] <path></span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" <commit range> example: `HEAD~10..HEAD`, or `1234abcd`</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -L <n,m> process only line range n-m, counting from 1</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -M find line moves within and across files</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -C find line copies within and across files</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -F follow only the first parent commits</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> + <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> + <span class="n">exit</span><span class="p">(</span><span class="mi">1</span><span class="p">);</span> +<span class="p">}</span></pre></div> + </td> + </tr> + <tr id='section-9'> + <td class=docs> + <div class="pilwrap"> + <a class="pilcrow" href="#section-9">¶</a> + </div> + <p>Parse the arguments.</p> + + </td> + <td class=code> + <div class='highlight'><pre><span class="k">static</span> <span class="kt">void</span> <span class="nf">parse_opts</span><span class="p">(</span><span class="k">struct</span> <span class="n">blame_opts</span> <span class="o">*</span><span class="n">o</span><span class="p">,</span> <span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="o">*</span><span class="n">argv</span><span class="p">[])</span> +<span class="p">{</span> + <span class="kt">int</span> <span class="n">i</span><span class="p">;</span> + <span class="kt">char</span> <span class="o">*</span><span class="n">bare_args</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="mi">0</span><span class="p">};</span> + + <span class="k">if</span> <span class="p">(</span><span class="n">argc</span> <span class="o"><</span> <span class="mi">2</span><span class="p">)</span> <span class="n">usage</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + + <span class="k">for</span> <span class="p">(</span><span class="n">i</span><span class="o">=</span><span class="mi">1</span><span class="p">;</span> <span class="n">i</span><span class="o"><</span><span class="n">argc</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span> + <span class="kt">char</span> <span class="o">*</span><span class="n">a</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">];</span> + + <span class="k">if</span> <span class="p">(</span><span class="n">a</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">!=</span> <span class="sc">'-'</span><span class="p">)</span> <span class="p">{</span> + <span class="kt">int</span> <span class="n">i</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> + <span class="k">while</span> <span class="p">(</span><span class="n">bare_args</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">&&</span> <span class="n">i</span> <span class="o"><</span> <span class="mi">3</span><span class="p">)</span> <span class="o">++</span><span class="n">i</span><span class="p">;</span> + <span class="k">if</span> <span class="p">(</span><span class="n">i</span> <span class="o">>=</span> <span class="mi">3</span><span class="p">)</span> + <span class="n">usage</span><span class="p">(</span><span class="s">"Invalid argument set"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + <span class="n">bare_args</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">a</span><span class="p">;</span> + <span class="p">}</span> + <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="s">"--"</span><span class="p">))</span> + <span class="k">continue</span><span class="p">;</span> + <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcasecmp</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="s">"-M"</span><span class="p">))</span> + <span class="n">o</span><span class="o">-></span><span class="n">M</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> + <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcasecmp</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="s">"-C"</span><span class="p">))</span> + <span class="n">o</span><span class="o">-></span><span class="n">C</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> + <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcasecmp</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="s">"-F"</span><span class="p">))</span> + <span class="n">o</span><span class="o">-></span><span class="n">F</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> + <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcasecmp</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="s">"-L"</span><span class="p">))</span> <span class="p">{</span> + <span class="n">i</span><span class="o">++</span><span class="p">;</span> <span class="n">a</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">];</span> + <span class="k">if</span> <span class="p">(</span><span class="n">i</span> <span class="o">>=</span> <span class="n">argc</span><span class="p">)</span> <span class="n">fatal</span><span class="p">(</span><span class="s">"Not enough arguments to -L"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + <span class="n">check_lg2</span><span class="p">(</span><span class="n">sscanf</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="s">"%d,%d"</span><span class="p">,</span> <span class="o">&</span><span class="n">o</span><span class="o">-></span><span class="n">start_line</span><span class="p">,</span> <span class="o">&</span><span class="n">o</span><span class="o">-></span><span class="n">end_line</span><span class="p">)</span><span class="o">-</span><span class="mi">2</span><span class="p">,</span> <span class="s">"-L format error"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + <span class="p">}</span> + <span class="k">else</span> <span class="p">{</span> + <span class="cm">/* commit range */</span> + <span class="k">if</span> <span class="p">(</span><span class="n">o</span><span class="o">-></span><span class="n">commitspec</span><span class="p">)</span> <span class="n">fatal</span><span class="p">(</span><span class="s">"Only one commit spec allowed"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + <span class="n">o</span><span class="o">-></span><span class="n">commitspec</span> <span class="o">=</span> <span class="n">a</span><span class="p">;</span> + <span class="p">}</span> + <span class="p">}</span> + + <span class="cm">/* Handle the bare arguments */</span> + <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">bare_args</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="n">usage</span><span class="p">(</span><span class="s">"Please specify a path"</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> + <span class="n">o</span><span class="o">-></span><span class="n">path</span> <span class="o">=</span> <span class="n">bare_args</span><span class="p">[</span><span class="mi">0</span><span class="p">];</span> + <span class="k">if</span> <span class="p">(</span><span class="n">bare_args</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span> <span class="p">{</span> + <span class="cm">/* <commitspec> <path> */</span> + <span class="n">o</span><span class="o">-></span><span class="n">path</span> <span class="o">=</span> <span class="n">bare_args</span><span class="p">[</span><span class="mi">1</span><span class="p">];</span> + <span class="n">o</span><span class="o">-></span><span class="n">commitspec</span> <span class="o">=</span> <span class="n">bare_args</span><span class="p">[</span><span class="mi">0</span><span class="p">];</span> + <span class="p">}</span> + <span class="k">if</span> <span class="p">(</span><span class="n">bare_args</span><span class="p">[</span><span class="mi">2</span><span class="p">])</span> <span class="p">{</span> + <span class="cm">/* <oldcommit> <newcommit> <path> */</span> + <span class="kt">char</span> <span class="n">spec</span><span class="p">[</span><span class="mi">128</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="mi">0</span><span class="p">};</span> + <span class="n">o</span><span class="o">-></span><span class="n">path</span> <span class="o">=</span> <span class="n">bare_args</span><span class="p">[</span><span class="mi">2</span><span class="p">];</span> + <span class="n">sprintf</span><span class="p">(</span><span class="n">spec</span><span class="p">,</span> <span class="s">"%s..%s"</span><span class="p">,</span> <span class="n">bare_args</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">bare_args</span><span class="p">[</span><span class="mi">1</span><span class="p">]);</span> + <span class="n">o</span><span class="o">-></span><span class="n">commitspec</span> <span class="o">=</span> <span class="n">spec</span><span class="p">;</span> + <span class="p">}</span> +<span class="p">}</span></pre></div> + </td> + </tr> + </table> +</div> +</body> |