1 files changed, 102 insertions, 0 deletions
diff --git a/src/udev/udevadm-hwdb.c b/src/udev/udevadm-hwdb.c
new file mode 100644
index 0000000..2f5429f
--- /dev/null
+++ b/src/udev/udevadm-hwdb.c
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+
+#include "hwdb-util.h"
+#include "udevadm.h"
+
+static const char *arg_test = NULL;
+static const char *arg_root = NULL;
+static const char *arg_hwdb_bin_dir = NULL;
+static bool arg_update = false;
+static bool arg_strict = false;
+
+static int help(void) {
+        printf("%s hwdb [OPTIONS]\n\n"
+               "  -h --help            Print this message\n"
+               "  -V --version         Print version of the program\n"
+               "  -u --update          Update the hardware database\n"
+               "  -s --strict          When updating, return non-zero exit value on any parsing error\n"
+               "     --usr             Generate in " UDEVLIBEXECDIR " instead of /etc/udev\n"
+               "  -t --test=MODALIAS   Query database and print result\n"
+               "  -r --root=PATH       Alternative root path in the filesystem\n\n"
+               "NOTE:\n"
+               "The sub-command 'hwdb' is deprecated, and is left for backwards compatibility.\n"
+               "Please use systemd-hwdb instead.\n",
+               program_invocation_short_name);
+
+        return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+        enum {
+                ARG_USR = 0x100,
+        };
+
+        static const struct option options[] = {
+                { "update",  no_argument,       NULL, 'u'     },
+                { "usr",     no_argument,       NULL, ARG_USR },
+                { "strict",  no_argument,       NULL, 's'     },
+                { "test",    required_argument, NULL, 't'     },
+                { "root",    required_argument, NULL, 'r'     },
+                { "version", no_argument,       NULL, 'V'     },
+                { "help",    no_argument,       NULL, 'h'     },
+                {}
+        };
+
+        int c;
+
+        while ((c = getopt_long(argc, argv, "ust:r:Vh", options, NULL)) >= 0)
+                switch (c) {
+                case 'u':
+                        arg_update = true;
+                        break;
+                case ARG_USR:
+                        arg_hwdb_bin_dir = UDEVLIBEXECDIR;
+                        break;
+                case 's':
+                        arg_strict = true;
+                        break;
+                case 't':
+                        arg_test = optarg;
+                        break;
+                case 'r':
+                        arg_root = optarg;
+                        break;
+                case 'V':
+                        return print_version();
+                case 'h':
+                        return help();
+                case '?':
+                        return -EINVAL;
+                default:
+                        assert_not_reached();
+                }
+
+        return 1;
+}
+
+int hwdb_main(int argc, char *argv[], void *userdata) {
+        int r;
+
+        r = parse_argv(argc, argv);
+        if (r <= 0)
+                return r;
+
+        if (!arg_update && !arg_test)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Either --update or --test must be used.");
+
+        log_notice("udevadm hwdb is deprecated. Use systemd-hwdb instead.");
+
+        if (arg_update) {
+                r = hwdb_update(arg_root, arg_hwdb_bin_dir, arg_strict, true);
+                if (r < 0)
+                        return r;
+        }
+
+        if (arg_test)
+                return hwdb_query(arg_test, NULL);
+
+        return 0;
+}