/* cgit.c: cgi for the git scm
 *
 * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"
#include "cache.h"
#include "cmd.h"
#include "configfile.h"
#include "html.h"
#include "ui-shared.h"
#include "ui-stats.h"
#include "ui-blob.h"
#include "ui-summary.h"
#include "scan-tree.h"

const char *cgit_version = CGIT_VERSION;

static void add_mimetype(const char *name, const char *value)
{
	struct string_list_item *item;

	item = string_list_insert(&ctx.cfg.mimetypes, xstrdup(name));
	item->util = xstrdup(value);
}

static void process_cached_repolist(const char *path);

static void repo_config(struct cgit_repo *repo, const char *name, const char *value)
{
	struct string_list_item *item;

	if (!strcmp(name, "name"))
		repo->name = xstrdup(value);
	else if (!strcmp(name, "clone-url"))
		repo->clone_url = xstrdup(value);
	else if (!strcmp(name, "desc"))
		repo->desc = xstrdup(value);
	else if (!strcmp(name, "owner"))
		repo->owner = xstrdup(value);
	else if (!strcmp(name, "defbranch"))
		repo->defbranch = xstrdup(value);
	else if (!strcmp(name, "snapshots"))
		repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
	else if (!strcmp(name, "enable-commit-graph"))
		repo->enable_commit_graph = atoi(value);
	else if (!strcmp(name, "enable-log-filecount"))
		repo->enable_log_filecount = atoi(value);
	else if (!strcmp(name, "enable-log-linecount"))
		repo->enable_log_linecount = atoi(value);
	else if (!strcmp(name, "enable-remote-branches"))
		repo->enable_remote_branches = atoi(value);
	else if (!strcmp(name, "enable-subject-links"))
		repo->enable_subject_links = atoi(value);
	else if (!strcmp(name, "branch-sort")) {
		if (!strcmp(value, "age"))
			repo->branch_sort = 1;
		if (!strcmp(value, "name"))
			repo->branch_sort = 0;
	} else if (!strcmp(name, "commit-sort")) {
		if (!strcmp(value, "date"))
			repo->commit_sort = 1;
		if (!strcmp(value, "topo"))
			repo->commit_sort = 2;
	} else if (!strcmp(name, "max-stats"))
		repo->max_stats = cgit_find_stats_period(value, NULL);
	else if (!strcmp(name, "module-link"))
		repo->module_link= xstrdup(value);
	else if (starts_with(name, "module-link.")) {
		item = string_list_append(&repo->submodules, xstrdup(name + 12));
		item->util = xstrdup(value);
	} else if (!strcmp(name, "section"))
		repo->section = xstrdup(value);
	else if (!strcmp(name, "readme") && value != NULL) {
		if (repo->readme.items == ctx.cfg.readme.items)
			memset(&repo->readme, 0, sizeof(repo->readme));
		string_list_append(&repo->readme, xstrdup(value));
	} else if (!strcmp(name, "logo") && value != NULL)
		repo->logo = xstrdup(value);
	else if (!strcmp(name, "logo-link") && value != NULL)
		repo->logo_link = xstrdup(value);
	else if (ctx.cfg.enable_filter_overrides) {
		if (!strcmp(name, "about-filter"))
			repo->about_filter = cgit_new_filter(value, ABOUT);
		else if (!strcmp(name, "commit-filter"))
			repo->commit_filter = cgit_new_filter(value, COMMIT);
		else if (!strcmp(name, "source-filter"))
			repo->source_filter = cgit_new_filter(value, SOURCE);
		else if (!strcmp(name, "email-filter"))
			repo->email_filter = cgit_new_filter(value, EMAIL);
		else if (!strcmp(name, "owner-filter"))
			repo->owner_filter = cgit_new_filter(value, OWNER);
	} else if (!strcmp(name, "hide")) {
		repo->hide = atoi(value);
	} else if (!strcmp(name, "ignore")) {
		repo->ignore = atoi(value);
	}
}

static void config_cb(const char *name, const char *value)
{
	if (!strcmp(name, "section") || !strcmp(name, "repo.group"))
		ctx.cfg.section = xstrdup(value);
	else if (!strcmp(name, "repo.url"))
		ctx.repo = cgit_add_repo(value);
	else if (ctx.repo && !strcmp(name, "repo.path"))
		ctx.repo->path = trim_end(value, '/');
	else if (ctx.repo && starts_with(name, "repo."))
		repo_config(ctx.repo, name + 5, value);
	else if (!strcmp(name, "readme") && value != NULL)
		string_list_append(&ctx.cfg.readme, xstrdup(value));
	else if (!strcmp(name, "root-title"))
		ctx.cfg.root_title = xstrdup(value);
	else if (!strcmp(name, "root-desc"))
		ctx.cfg.root_desc = xstrdup(value);
	else if (!strcmp(name, "root-readme"))
		ctx.cfg.root_readme = xstrdup(value);
	else if (!strcmp(name, "css"))
		ctx.cfg.css = xstrdup(value);
	else if (!strcmp(name, "favicon"))
		ctx.cfg.favicon = xstrdup(value);
	else if (!strcmp(name, "footer"))
		ctx.cfg.footer = xstrdup(value);
	else if (!strcmp(name, "head-include"))
		ctx.cfg.head_include = xstrdup(value);
	else if (!strcmp(name, "header"))
		ctx.cfg.header = xstrdup(value);
	else if (!strcmp(name, "logo"))
		ctx.cfg.logo = xstrdup(value);
	else if (!strcmp(name, "index-header"))
		ctx.cfg.index_header = xstrdup(value);
	else if (!strcmp(name, "index-info"))
		ctx.cfg.index_info = xstrdup(value);
	else if (!strcmp(name, "logo-link"))
		ctx.cfg.logo_link = xstrdup(value);
	else if (!strcmp(name, "module-link"))
		ctx.cfg.module_link = xstrdup(value);
	else if (!strcmp(name, "strict-export"))
		ctx.cfg.strict_export = xstrdup(value);
	else if (!strcmp(name, "virtual-root")) {
		ctx.cfg.virtual_root = ensure_end(value, '/');
	} else if (!strcmp(name, "nocache"))
		ctx.cfg.nocache = atoi(value);
	else if (!strcmp(name, "noplainemail"))
		ctx.cfg.noplainemail = atoi(value);
	else if (!strcmp(name, "noheader"))
		ctx.cfg.noheader = atoi(value);
	else if (!strcmp(name, "snapshots"))
		ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
	else if (!strcmp(name, "enable-filter-overrides"))
		ctx.cfg.enable_filter_overrides = atoi(value);
	else if (!strcmp(name, "enable-http-clone"))
		ctx.cfg.enable_http_clone = atoi(value);
	else if (!strcmp(name, "enable-index-links"))
		ctx.cfg.enable_index_links = atoi(value);
	else if (!strcmp(name, "enable-index-owner"))
		ctx.cfg.enable_index_owner = atoi(value);
	else if (!strcmp(name, "enable-commit-graph"))
		ctx.cfg.enable_commit_graph = atoi(value);
	else if (!strcmp(name, "enable-log-filecount"))
		ctx.cfg.enable_log_filecount = atoi(value);
	else if (!strcmp(name, "enable-log-linecount"))
		ctx.cfg.enable_log_linecount = atoi(value);
	else if (!strcmp(name, "enable-remote-branches"))
		ctx.cfg.enable_remote_branches = atoi(value);
	else if (!strcmp(name, "enable-subject-links"))
		ctx.cfg.enable_subject_links = atoi(value);
	else if (!strcmp(name, "enable-tree-linenumbers"))
		ctx.cfg.enable_tree_linenumbers = atoi(value);
	else if (!strcmp(name, "enable-git-config"))
		ctx.cfg.enable_git_config = atoi(value);
	else if (!strcmp(name, "max-stats"))
		ctx.cfg.max_stats = cgit_find_stats_period(value, NULL);
	else if (!strcmp(name, "cache-size"))
		ctx.cfg.cache_size = atoi(value);
	else if (!strcmp(name, "cache-root"))
		ctx.cfg.cache_root = xstrdup(expand_macros(value));
	else if (!strcmp(name, "cache-root-ttl"))
		ctx.cfg.cache_root_ttl = atoi(value);
	else if (!strcmp(name, "cache-repo-ttl"))
		ctx.cfg.cache_repo_ttl = atoi(value);
	else if (!strcmp(name, "cache-scanrc-ttl"))
		ctx.cfg.cache_scanrc_ttl = atoi(value);
	else if (!strcmp(name, "cache-static-ttl"))
		ctx.cfg.cache_static_ttl = atoi(value);
	else if (!strcmp(name, "cache-dynamic-ttl"))
		ctx.cfg.cache_dynamic_ttl = atoi(value);
	else if (!strcmp(name, "cache-about-ttl"))
		ctx.cfg.cache_about_ttl = atoi(value);
	else if (!strcmp(name, "cache-snapshot-ttl"))
		ctx.cfg.cache_snapshot_ttl = atoi(value);
	else if (!strcmp(name, "case-sensitive-sort"))
		ctx.cfg.case_sensitive_sort = atoi(value);
	else if (!st<style>pre { line-height: 125%; }
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span><span class="cm">/* ui-commit.c: generate commit view</span>
<span class="cm"> *</span>
<span class="cm"> * Copyright (C) 2006-2014 cgit Development Team &lt;cgit@lists.zx2c4.com&gt;</span>
<span class="cm"> *</span>
<span class="cm"> * Licensed under GNU General Public License v2</span>
<span class="cm"> *   (see COPYING for full license text)</span>
<span class="cm"> */</span>

<span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;cgit.h&quot;</span>
<span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;ui-commit.h&quot;</span>
<span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;html.h&quot;</span>
<span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;ui-shared.h&quot;</span>
<span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;ui-diff.h&quot;</span>
<span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;ui-log.h&quot;</span>

<span class="kt">void</span><span class="w"> </span><span class="nf">cgit_print_commit</span><span class="p">(</span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">hex</span><span class="p">,</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">prefix</span><span class="p">)</span>
<span class="p">{</span>
<span class="w">	</span><span class="k">struct</span><span class="w"> </span><span class="nc">commit</span><span class="w"> </span><span class="o">*</span><span class="n">commit</span><span class="p">,</span><span class="w"> </span><span class="o">*</span><span class="n">parent</span><span class="p">;</span>
<span class="w">	</span><span class="k">struct</span><span class="w"> </span><span class="nc">commitinfo</span><span class="w"> </span><span class="o">*</span><span class="n">info</span><span class="p">,</span><span class="w"> </span><span class="o">*</span><span class="n">parent_info</span><span class="p">;</span>
<span class="w">	</span><span class="k">struct</span><span class="w"> </span><span class="nc">commit_list</span><span class="w"> </span><span class="o">*</span><span class="n">p</span><span class="p">;</span>
<span class="w">	</span><span class="k">struct</span><span class="w"> </span><span class="nc">strbuf</span><span class="w"> </span><span class="n">notes</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">STRBUF_INIT</span><span class="p">;</span>
<span class="w">	</span><span class="k">struct</span><span class="w"> </span><span class="nc">object_id</span><span class="w"> </span><span class="n">oid</span><span class="p">;</span>
<span class="w">	</span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">tmp</span><span class="p">,</span><span class="w"> </span><span class="o">*</span><span class="n">tmp2</span><span class="p">;</span>
<span class="w">	</span><span class="kt">int</span><span class="w"> </span><span class="n">parents</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>

<span class="w">	</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">hex</span><span class="p">)</span>
<span class="w">		</span><span class="n">hex</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ctx</span><span class="p">.</span><span class="n">qry</span><span class="p">.</span><span class="n">head</span><span class="p">;</span>

<span class="w">	</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">get_oid</span><span class="p">(</span><span class="n">hex</span><span class="p">,</span><span class="w"> </span><span class="o">&amp;</span><span class="n">oid</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
<span class="w">		</span><span class="n">cgit_print_error_page</span><span class="p">(</span><span class="mi">400</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;Bad request&quot;</span><span class="p">,</span>
<span class="w">				</span><span class="s">&quot;Bad object id: %s&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">hex</span><span class="p">);</span>
<span class="w">		</span><span class="k">return</span><span class="p">;</span>
<span class="w">	</span><span class="p">}</span>
<span class="w">	</span><span class="n">commit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lookup_commit_reference</span><span class="p">(</span><span class="o">&amp;</span><span class="n">oid</span><span class="p">);</span>
<span class="w">	</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">commit</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">		</span><span class="n">cgit_print_error_page</span><span class="p">(</span><span class="mi">404</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;Not found&quot;</span><span class="p">,</span>
<span class="w">				</span><span class="s">&quot;Bad commit reference: %s&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">hex</span><span class="p">);</span>
<span class="w">		</span><span class="k">return</span><span class="p">;</span>
<span class="w">	</span><span class="p">}</span>
<span class="w">	</span><span class="n">info</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">cgit_parse_commit</span><span class="p">(</span><span class="n">commit</span><span class="p">);</span>

<span class="w">	</span><span class="n">format_display_notes</span><span class="p">(</span><span class="o">&amp;</span><span class="n">oid</span><span class="p">,</span><span class="w"> </span><span class="o">&amp;</span><span class="n">notes</span><span class="p">,</span><span class="w"> </span><span class="n">PAGE_ENCODING</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>

<span class="w">	</span><span class="n">load_ref_decorations</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="n">DECORATE_FULL_REFS</span><span class="p">);</span>

<span class="w">	</span><span class="n">cgit_print_layout_start</span><span class="p">();</span>
<span class="w">	</span><span class="n">cgit_print_diff_ctrls</span><span class="p">();</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;table summary=&#39;commit info&#39; class=&#39;commit-info&#39;&gt;</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;tr&gt;&lt;th&gt;author&lt;/th&gt;&lt;td&gt;&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">cgit_open_filter</span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">repo</span><span class="o">-&gt;</span><span class="n">email_filter</span><span class="p">,</span><span class="w"> </span><span class="n">info</span><span class="o">-&gt;</span><span class="n">author_email</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;commit&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">html_txt</span><span class="p">(</span><span class="n">info</span><span class="o">-&gt;</span><span class="n">author</span><span class="p">);</span>
<span class="w">	</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">ctx</span><span class="p">.</span><span class="n">cfg</span><span class="p">.</span><span class="n">noplainemail</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">		</span><span class="n">html</span><span class="p">(</span><span class="s">&quot; &quot;</span><span class="p">);</span>
<span class="w">		</span><span class="n">html_txt</span><span class="p">(</span><span class="n">info</span><span class="o">-&gt;</span><span class="n">author_email</span><span class="p">);</span>
<span class="w">	</span><span class="p">}</span>
<span class="w">	</span><span class="n">cgit_close_filter</span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">repo</span><span class="o">-&gt;</span><span class="n">email_filter</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;/td&gt;&lt;td class=&#39;right&#39;&gt;&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">html_txt</span><span class="p">(</span><span class="n">show_date</span><span class="p">(</span><span class="n">info</span><span class="o">-&gt;</span><span class="n">author_date</span><span class="p">,</span><span class="w"> </span><span class="n">info</span><span class="o">-&gt;</span><span class="n">author_tz</span><span class="p">,</span>
<span class="w">				</span><span class="n">cgit_date_mode</span><span class="p">(</span><span class="n">DATE_ISO8601</span><span class="p">)));</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;/td&gt;&lt;/tr&gt;</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;tr&gt;&lt;th&gt;committer&lt;/th&gt;&lt;td&gt;&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">cgit_open_filter</span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">repo</span><span class="o">-&gt;</span><span class="n">email_filter</span><span class="p">,</span><span class="w"> </span><span class="n">info</span><span class="o">-&gt;</span><span class="n">committer_email</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;commit&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">html_txt</span><span class="p">(</span><span class="n">info</span><span class="o">-&gt;</span><span class="n">committer</span><span class="p">);</span>
<span class="w">	</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">ctx</span><span class="p">.</span><span class="n">cfg</span><span class="p">.</span><span class="n">noplainemail</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">		</span><span class="n">html</span><span class="p">(</span><span class="s">&quot; &quot;</span><span class="p">);</span>
<span class="w">		</span><span class="n">html_txt</span><span class="p">(</span><span class="n">info</span><span class="o">-&gt;</span><span class="n">committer_email</span><span class="p">);</span>
<span class="w">	</span><span class="p">}</span>
<span class="w">	</span><span class="n">cgit_close_filter</span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">repo</span><span class="o">-&gt;</span><span class="n">email_filter</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;/td&gt;&lt;td class=&#39;right&#39;&gt;&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">html_txt</span><span class="p">(</span><span class="n">show_date</span><span class="p">(</span><span class="n">info</span><span class="o">-&gt;</span><span class="n">committer_date</span><span class="p">,</span><span class="w"> </span><span class="n">info</span><span class="o">-&gt;</span><span class="n">committer_tz</span><span class="p">,</span>
<span class="w">				</span><span class="n">cgit_date_mode</span><span class="p">(</span><span class="n">DATE_ISO8601</span><span class="p">)));</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;/td&gt;&lt;/tr&gt;</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;tr&gt;&lt;th&gt;commit&lt;/th&gt;&lt;td colspan=&#39;2&#39; class=&#39;sha1&#39;&gt;&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">tmp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">oid_to_hex</span><span class="p">(</span><span class="o">&amp;</span><span class="n">commit</span><span class="o">-&gt;</span><span class="n">object</span><span class="p">.</span><span class="n">oid</span><span class="p">);</span>
<span class="w">	</span><span class="n">cgit_commit_link</span><span class="p">(</span><span class="n">tmp</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="n">ctx</span><span class="p">.</span><span class="n">qry</span><span class="p">.</span><span class="n">head</span><span class="p">,</span><span class="w"> </span><span class="n">tmp</span><span class="p">,</span><span class="w"> </span><span class="n">prefix</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot; (&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">cgit_patch_link</span><span class="p">(</span><span class="s">&quot;patch&quot;</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="n">tmp</span><span class="p">,</span><span class="w"> </span><span class="n">prefix</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;)&lt;/td&gt;&lt;/tr&gt;</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;tr&gt;&lt;th&gt;tree&lt;/th&gt;&lt;td colspan=&#39;2&#39; class=&#39;sha1&#39;&gt;&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="n">tmp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">xstrdup</span><span class="p">(</span><span class="n">hex</span><span class="p">);</span>
<span class="w">	</span><span class="n">cgit_tree_link</span><span class="p">(</span><span class="n">oid_to_hex</span><span class="p">(</span><span class="o">&amp;</span><span class="n">commit</span><span class="o">-&gt;</span><span class="n">tree</span><span class="o">-&gt;</span><span class="n">object</span><span class="p">.</span><span class="n">oid</span><span class="p">),</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span>
<span class="w">		       </span><span class="n">ctx</span><span class="p">.</span><span class="n">qry</span><span class="p">.</span><span class="n">head</span><span class="p">,</span><span class="w"> </span><span class="n">tmp</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">);</span>
<span class="w">	</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">prefix</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">		</span><span class="n">html</span><span class="p">(</span><span class="s">&quot; /&quot;</span><span class="p">);</span>
<span class="w">		</span><span class="n">cgit_tree_link</span><span class="p">(</span><span class="n">prefix</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="n">ctx</span><span class="p">.</span><span class="n">qry</span><span class="p">.</span><span class="n">head</span><span class="p">,</span><span class="w"> </span><span class="n">tmp</span><span class="p">,</span><span class="w"> </span><span class="n">prefix</span><span class="p">);</span>
<span class="w">	</span><span class="p">}</span>
<span class="w">	</span><span class="n">free</span><span class="p">(</span><span class="n">tmp</span><span class="p">);</span>
<span class="w">	</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;/td&gt;&lt;/tr&gt;</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
<span class="w">	</span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">p</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">commit</span><span class="o">-&gt;</span><span class="n">parents</span><span class="p">;</span><span class="w"> </span><span class="n">p</span><span class="p">;</span><span class="w"> </span><span class="n">p</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">p</span><span class="o">-&gt;</span><span class="n">next</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">		</span><span class="n">parent</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lookup_commit_reference</span><span class="p">(</span><span class="o">&amp;</span><span class="n">p</span><span class="o">-&gt;</span><span class="n">item</span><span class="o">-&gt;</span><span class="n">object</span><span class="p">.</span><span class="n">oid</span><span class="p">);</span>
<span class="w">		</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">parent</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">			</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;tr&gt;&lt;td colspan=&#39;3&#39;&gt;&quot;</span><span class="p">);</span>
<span class="w">			</span><span class="n">cgit_print_error</span><span class="p">(</span><span class="s">&quot;Error reading parent commit&quot;</span><span class="p">);</span>
<span class="w">			</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;/td&gt;&lt;/tr&gt;&quot;</span><span class="p">);</span>
<span class="w">			</span><span class="k">continue</span><span class="p">;</span>
<span class="w">		</span><span class="p">}</span>
<span class="w">		</span><span class="n">html</span><span class="p">(</span><span class="s">&quot;&lt;tr&gt;&lt;th&gt;parent&lt;/th&gt;&quot;</span>
<span class="w">		     </span><span class="s">&quot;&lt;td colspan=&#39;2&#39; class=&#39;sha1&#39;&gt;&quot;</span><span class="p">);</span>
<span class="w">		</span><span class="n">tmp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">tmp2</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">oid_to_hex</span><span class="p">(</span><span class="o">&amp;</span><span class="n">p</span><span class="o">-&gt;</span><span class="n">item</span><span class="o">-&gt;</span><span class="n">object</span><span class="p">.</span><span class="n">oid</span><span class="p">);</span>
<span class="w">		</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">repo</span><span class="o">-&gt;</span><span class="n">enable_subject_links</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">			</span><span class="n">parent_info</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">cgit_parse_commit</span><span class="p">(</span><span class="n">parent</span><span class="p">);</span>
<span class="w">			</span><span class="n">tmp2</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">parent_info</span><span class="o">-&gt;</span><span class="n">subject</span><span class="p">;</span>
<span class="w">		</span><span class="p">}</span>
<span class="w">		</span><span class="n">cgit_commit_link</span><span class="p">(</span><span class="n">tmp2</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="n">ctx</span><span class="p">.</span><span class="n">qry</span><span class="p">.</span><span class="n">head</span><span class="p">,</spa