1 files changed, 124 insertions, 0 deletions
diff --git a/src/update.c b/src/update.c
new file mode 100644
index 0000000..4a9a95b
--- /dev/null
+++ b/src/update.c
@@ -0,0 +1,124 @@
+/*
+ * dpkg - main program for package management
+ * update.c - options which update the ‘available’ database
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/options.h>
+
+#include "main.h"
+
+int
+updateavailable(const char *const *argv)
+{
+  const char *sourcefile= argv[0];
+  char *availfile;
+  int count= 0;
+
+  modstatdb_init();
+
+  switch (cipaction->arg_int) {
+  case act_avclear:
+    if (sourcefile) badusage(_("--%s takes no arguments"),cipaction->olong);
+    break;
+  case act_avreplace: case act_avmerge:
+    if (sourcefile == NULL)
+      sourcefile = "-";
+    else if (argv[1])
+      badusage(_("--%s takes at most one Packages-file argument"),
+               cipaction->olong);
+    break;
+  default:
+    internerr("unknown action '%d'", cipaction->arg_int);
+  }
+
+  if (!f_noact) {
+    const char *dbdir = dpkg_db_get_dir();
+
+    if (access(dbdir, W_OK)) {
+      if (errno != EACCES)
+        ohshite(_("unable to access dpkg database directory '%s' for bulk available update"),
+                dbdir);
+      else
+        ohshit(_("required write access to dpkg database directory '%s' for bulk available update"),
+               dbdir);
+    }
+    modstatdb_lock();
+  }
+
+  switch (cipaction->arg_int) {
+  case act_avreplace:
+    printf(_("Replacing available packages info, using %s.\n"),sourcefile);
+    break;
+  case act_avmerge:
+    printf(_("Updating available packages info, using %s.\n"),sourcefile);
+    break;
+  case act_avclear:
+    break;
+  default:
+    internerr("unknown action '%d'", cipaction->arg_int);
+  }
+
+  availfile = dpkg_db_get_path(AVAILFILE);
+
+  if (cipaction->arg_int == act_avmerge)
+    parsedb(availfile, pdb_parse_available, NULL);
+
+  if (cipaction->arg_int != act_avclear)
+    count += parsedb(sourcefile,
+                     pdb_parse_available | pdb_ignoreolder | pdb_dash_is_stdin,
+                     NULL);
+
+  if (!f_noact) {
+    writedb(availfile, wdb_dump_available);
+    modstatdb_unlock();
+  }
+
+  free(availfile);
+
+  if (cipaction->arg_int != act_avclear)
+    printf(P_("Information about %d package was updated.\n",
+              "Information about %d packages was updated.\n", count), count);
+
+  modstatdb_done();
+
+  return 0;
+}
+
+int
+forgetold(const char *const *argv)
+{
+  if (*argv)
+    badusage(_("--%s takes no arguments"), cipaction->olong);
+
+  warning(_("obsolete '--%s' option; unavailable packages are automatically cleaned up"),
+          cipaction->olong);
+
+  return 0;
+}