cGit-UI for Git Repositories

Index: ui-blame.c
===================================================================
--- ui-blame.c	(nonexistent)
+++ ui-blame.c	(revision 5)
@@ -0,0 +1,160 @@
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/sysinfo.h>
+#include <sys/types.h>
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#else
+#include <stdint.h>
+#endif
+#include <stddef.h>   /* offsetof(3) */
+#include <dirent.h>
+#include <sys/stat.h> /* chmod(2)    */
+#include <sys/file.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <string.h>   /* strdup(3)   */
+#include <libgen.h>   /* basename(3) */
+#include <ctype.h>    /* tolower(3)  */
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+#include <pwd.h>
+#include <grp.h>
+#include <stdarg.h>
+#include <locale.h>
+#include <unistd.h>
+
+#include <git2.h>
+
+#include <nls.h>
+
+#include <defs.h>
+
+#include <fatal.h>
+#include <http.h>
+#include <html.h>
+
+#include <dlist.h>
+#include <strbuf.h>
+#include <repolist.h>
+#include <wrapper.h>
+#include <system.h>
+#include <date.h>
+
+#include <ctx.h>
+#include <git-shared.h>
+#include <ui-shared.h>
+
+
+static void cgit_print_blame( struct strbuf *sb, const char *relative_path, const char *revision )
+{
+  const char *name = NULL, *git_root = NULL, *repo_root = NULL;
+
+  if( !sb || !relative_path ) return;
+
+  name      = ctx.repo.name;
+  git_root  = ctx.repo.git_root;
+  repo_root = ctx.repo.repo_root;
+
+  strbuf_addf( sb, "<div class=\"blame\">" );
+  strbuf_addf( sb, "  <pre><code class='language-PlainText'>" );
+
+  if( name && git_root )
+  {
+    char ref[PATH_MAX] = { 0 };
+    char rpath[PATH_MAX] = { 0 };
+
+    char path[PATH_MAX] = { 0 };
+    char cmd[PATH_MAX];
+    struct strbuf buf = STRBUF_INIT;
+    char *raw = NULL;
+    pid_t p = (pid_t) -1;
+    int   rc;
+
+    sprintf( (char *)&path[0], "%s/", git_root );
+    if( repo_root && *repo_root )
+    {
+      strcat( (char *)&path[0], repo_root );
+      strcat( (char *)&path[0], "/" );
+    }
+    strcat( (char *)&path[0], name );
+
+    if( !is_bare( (char *)&path[0] ) )
+    {
+      strcat( (char *)&path[0], "/.git" );
+    }
+
+    parse_relative_path( (char *)&ref[0], (char *)&rpath[0], relative_path );
+
+    if( revision && *revision )
+      snprintf( (char *)&cmd[0], 1024, "git --git-dir=%s blame %s -- %s 2>/dev/null", (char *)&path[0], revision, (char *)&rpath[0] );
+    else
+      snprintf( (char *)&cmd[0], 1024, "git --git-dir=%s blame -- %s 2>/dev/null", (char *)&path[0], (char *)&rpath[0] );
+    p = sys_exec_command( &buf, cmd );
+    rc = sys_wait_command( p, NULL );
+    if( rc != 0 )
+    {
+      strbuf_release( &buf );
+      return;
+    }
+
+    if( buf.buf[0] )
+    {
+      raw = strbuf_detach( &buf, NULL );
+      strbuf_addstr_xml_quoted( &buf, (const char *)raw );
+      free( raw );
+
+      strbuf_addbuf( sb, (const struct strbuf *)&buf );
+    }
+    strbuf_release( &buf );
+  }
+
+  strbuf_addstr( sb, "\n  </code></pre>\n" );
+  strbuf_addstr( sb, "</div>\n" );
+
+  return;
+}
+
+void cgit_print_blame_page( void )
+{
+  FILE  *fp;
+  struct strbuf buf = STRBUF_INIT;
+
+  fp = xfopen( ctx.page.header, "r" );
+  (void)strbuf_env_fread( &buf, fp );
+  fclose( fp );
+
+  strbuf_addf( &buf, "        <div class=\"content segment\">\n" );
+  strbuf_addf( &buf, "          <div class=\"container\">\n" );
+  strbuf_addf( &buf, "            <div class=\"cgit-main-content\">\n" );
+
+  if( ctx.repo.name )
+  {
+    cgit_print_blame( &buf, ctx.repo.relative_path, (!strcmp( ctx.query.rev, "0" )) ? (const char *)&ctx.repo.relative_info.revision[0] : ctx.query.rev );
+  }
+  else
+  {
+    strbuf_addf( &buf, "              <h1>Requested resource cannot be shown</h1>\n" );
+    strbuf_addf( &buf, "              <p class='leading'>Repository '%s' not found.</p>\n", ctx.repo.name );
+  }
+
+  strbuf_addf( &buf, "            </div> <!-- End of cgit-main-content -->\n" );
+  strbuf_addf( &buf, "          </div> <!-- End of container -->\n" );
+  strbuf_addf( &buf, "        </div> <!-- End of content segment -->\n" );
+
+  fp = xfopen( ctx.page.footer, "r" );
+  (void)strbuf_env_fread( &buf, fp );
+  fclose( fp );
+
+  ctx.page.size = buf.len;
+  cgit_print_http_headers();
+  strbuf_write( &buf, STDOUT_FILENO );
+  strbuf_release( &buf );
+}