Rename source files and improve readability

[src/app-framework-main.git] / src / main-wgtpkg-pack.c

diff --git a/src/main-wgtpkg-pack.c b/src/main-wgtpkg-pack.c
new file mode 100644 (file)
index 0000000..e448497
--- /dev/null
+++ b/src/main-wgtpkg-pack.c
@@ -0,0 +1,184 @@
+/*
+ Copyright (C) 2015-2020 IoT.bzh
+
+ author: José Bollo <jose.bollo@iot.bzh>
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#define _GNU_SOURCE
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <getopt.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "verbose.h"
+#include "wgtpkg-files.h"
+#include "wgtpkg-workdir.h"
+#include "wgtpkg-zip.h"
+
+const char appname[] = "wgtpkg-pack";
+
+static void version()
+{
+       printf(
+               "\n"
+               "  %s  version="AFM_VERSION"\n"
+               "\n"
+               "  Copyright (C) 2015-2020 \"IoT.bzh\"\n"
+               "  AFB comes with ABSOLUTELY NO WARRANTY.\n"
+               "  Licence Apache 2\n"
+               "\n",
+               appname
+       );
+}
+
+static void usage()
+{
+       printf(
+               "usage: %s [-f] [-o wgtfile] directory\n"
+               "\n"
+               "   -o wgtfile       the output widget file\n"
+               "   -f               force overwriting\n"
+               "   -q               quiet\n"
+               "   -v               verbose\n"
+               "   -V               version\n"
+               "\n",
+               appname
+       );
+}
+
+static struct option options[] = {
+       { "output",      required_argument, NULL, 'o' },
+       { "force",       no_argument,       NULL, 'f' },
+       { "help",        no_argument,       NULL, 'h' },
+       { "quiet",       no_argument,       NULL, 'q' },
+       { "verbose",     no_argument,       NULL, 'v' },
+       { "version",     no_argument,       NULL, 'V' },
+       { NULL, 0, NULL, 0 }
+};
+
+/* install the widgets of the list */
+int main(int ac, char **av)
+{
+       int i, force;
+       char *wgtfile, *directory, *x;
+       struct stat s;
+
+       LOGUSER(appname);
+
+       force = 0;
+       wgtfile = directory = NULL;
+       for (;;) {
+               i = getopt_long(ac, av, "qvVhfo:", options, NULL);
+               if (i < 0)
+                       break;
+               switch (i) {
+               case 'o':
+                       wgtfile = optarg;
+                       break;
+               case 'q':
+                       if (verbosity)
+                               verbosity--;
+                       break;
+               case 'v':
+                       verbosity++;
+                       break;
+               case 'f':
+                       force = 1;
+                       break;
+               case 'h':
+                       usage();
+                       return 0;
+               case 'V':
+                       version();
+                       return 0;
+               case ':':
+                       ERROR("missing argument");
+                       return 1;
+               default:
+                       ERROR("unrecognized option");
+                       return 1;
+               }
+       }
+
+       /* remaining arguments and final checks */
+       if (optind >= ac) {
+               ERROR("no directory set");
+               return 1;
+       }
+       directory = av[optind++];
+       if (optind < ac) {
+               ERROR("extra parameters found");
+               return 1;
+       }
+
+       /* set default values */
+       if (wgtfile == NULL && 0 > asprintf(&wgtfile, "%s.wgt", directory)) {
+               ERROR("asprintf failed");
+               return 1;
+       }
+
+       /* check values */
+       if (stat(directory, &s)) {
+               ERROR("can't find directory %s", directory);
+               return 1;
+       }
+       if (!S_ISDIR(s.st_mode)) {
+               ERROR("%s isn't a directory", directory);
+               return 1;
+       }
+       if (access(wgtfile, F_OK) == 0 && force == 0) {
+               ERROR("can't overwrite existing %s", wgtfile);
+               return 1;
+       }
+
+       NOTICE("-- PACKING widget %s from directory %s", wgtfile, directory);
+
+       /* creates an existing widget (for realpath it must exist) */
+       i = open(wgtfile, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK, 0644);
+       if (i < 0) {
+               ERROR("can't write widget %s", wgtfile);
+               return 1;
+       }
+       close(i);
+
+       /* compute absolutes paths */
+       x = realpath(wgtfile, NULL);
+       if (x == NULL) {
+               ERROR("realpath failed for %s", wgtfile);
+               return 1;
+       }
+       wgtfile = x;
+
+       /* set and enter the workdir */
+       if (chdir(directory)) {
+               ERROR("failed to enter directory %s", directory);
+               return 1;
+       }
+       if (set_workdir(".", 0))
+               return 1;
+
+
+       if (fill_files())
+               return 1;
+
+       return !!zwrite(wgtfile);
+}
+
+