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main.c
author Kristian H?gsberg <krh@jiraiya.boston.redhat.com>
Mon Apr 07 21:29:21 2008 -0400 (2008-04-07)
changeset 206 75d4b6a55593
parent 205 bb1a6b6578a9
child 207 b7d55f3fa183
permissions -rw-r--r--
Create rpms dir on demand. 
     1 #include <stdlib.h>

     2 #include <stddef.h>

     3 #include <stdio.h>

     4 #include <stdint.h>

     5 #include <string.h>

     6 #include <sys/stat.h>

     7 #include <unistd.h>

     8 #include <fcntl.h>

     9 #include <dirent.h>

    10 #include <curl/curl.h>

    11 #include <fnmatch.h>

    12 #include <errno.h>

    13 #include "razor.h"

    14 #include "razor-internal.h"

    15 

    16 static const char system_repo_filename[] = "system.repo";

    17 static const char next_repo_filename[] = "system-next.repo";

    18 static const char rawhide_repo_filename[] = "rawhide.repo";

    19 static const char updated_repo_filename[] = "system-updated.repo";

    20 static const char razor_root_path[] = "/var/lib/razor";

    21 static const char root[] = "install";

    22 static const char *repo_filename = system_repo_filename;

    23 

    24 static int

    25 command_list(int argc, const char *argv[])

    26 {

    27 	struct razor_set *set;

    28 	struct razor_package_iterator *pi;

    29 	struct razor_package *package;

    30 	const char *pattern, *name, *version, *arch;

    31 	int only_names = 0, i = 0;

    32 

    33 	if (i < argc && strcmp(argv[i], "--only-names") == 0) {

    34 		only_names = 1;

    35 		i++;

    36 	}

    37 

    38 	pattern = argv[i];

    39 	set = razor_set_open(repo_filename);

    40 	pi = razor_package_iterator_create(set);

    41 	while (razor_package_iterator_next(pi, &package,

    42 					   &name, &version, &arch)) {

    43 		if (pattern && fnmatch(pattern, name, 0) != 0)

    44 			continue;

    45 

    46 		if (only_names)

    47 			printf("%s\n", name);

    48 		else

    49 			printf("%s-%s.%s\n", name, version, arch);

    50 	}

    51 	razor_package_iterator_destroy(pi);

    52 	razor_set_destroy(set);

    53 

    54 	return 0;

    55 }

    56 

    57 static int

    58 list_properties(const char *package_name,

    59 		enum razor_property_type required_type)

    60 {

    61 	struct razor_set *set;

    62 	struct razor_property *property;

    63 	struct razor_package *package;

    64 	struct razor_property_iterator *pi;

    65 	const char *name, *version;

    66 	enum razor_property_type type;

    67 	enum razor_version_relation relation;

    68 

    69 	set = razor_set_open(repo_filename);

    70 	if (package_name)

    71 		package = razor_set_get_package(set, package_name);

    72 	else

    73 		package = NULL;

    74 

    75 	pi = razor_property_iterator_create(set, package);

    76 	while (razor_property_iterator_next(pi, &property,

    77 					    &name, &relation, &version,

    78 					    &type)) {

    79 		if (type != required_type)

    80 			continue;

    81 		if (version[0] == '\0')

    82 			printf("%s\n", name);

    83 		else

    84 			printf("%s %s %s\n", name,

    85 			       razor_version_relations[relation], version);

    86 	}

    87 	razor_property_iterator_destroy(pi);

    88 

    89 	razor_set_destroy(set);

    90 

    91 	return 0;

    92 }

    93 

    94 static int

    95 command_list_requires(int argc, const char *argv[])

    96 {

    97 	return list_properties(argv[0], RAZOR_PROPERTY_REQUIRES);

    98 }

    99 

   100 static int

   101 command_list_provides(int argc, const char *argv[])

   102 {

   103 	return list_properties(argv[0], RAZOR_PROPERTY_PROVIDES);

   104 }

   105 

   106 static int

   107 command_list_obsoletes(int argc, const char *argv[])

   108 {

   109 	return list_properties(argv[0], RAZOR_PROPERTY_OBSOLETES);

   110 }

   111 

   112 static int

   113 command_list_conflicts(int argc, const char *argv[])

   114 {

   115 	return list_properties(argv[0], RAZOR_PROPERTY_CONFLICTS);

   116 }

   117 

   118 static int

   119 command_list_files(int argc, const char *argv[])

   120 {

   121 	struct razor_set *set;

   122 

   123 	set = razor_set_open(repo_filename);

   124 	if (set == NULL)

   125 		return 1;

   126 	razor_set_list_files(set, argv[0]);

   127 	razor_set_destroy(set);

   128 

   129 	return 0;

   130 }

   131 

   132 static int

   133 command_list_file_packages(int argc, const char *argv[])

   134 {

   135 	struct razor_set *set;

   136 	struct razor_package_iterator *pi;

   137 	struct razor_package *package;

   138 	const char *name, *version, *arch;

   139 

   140 	set = razor_set_open(repo_filename);

   141 	if (set == NULL)

   142 		return 1;

   143 

   144 	pi = razor_package_iterator_create_for_file(set, argv[0]);

   145 	while (razor_package_iterator_next(pi, &package,

   146 					   &name, &version, &arch))

   147 		printf("%s-%s\n", name, version);

   148 	razor_package_iterator_destroy(pi);

   149 

   150 	razor_set_destroy(set);

   151 

   152 	return 0;

   153 }

   154 

   155 static int

   156 command_list_package_files(int argc, const char *argv[])

   157 {

   158 	struct razor_set *set;

   159 

   160 	set = razor_set_open(repo_filename);

   161 	if (set == NULL)

   162 		return 1;

   163 	razor_set_list_package_files(set, argv[0]);

   164 	razor_set_destroy(set);

   165 

   166 	return 0;

   167 }

   168 

   169 static void

   170 list_packages_for_property(struct razor_set *set,

   171 			   struct razor_property *property)

   172 {

   173 	struct razor_package_iterator *pi;

   174 	struct razor_package *package;

   175 	const char *name, *version, *arch;

   176 

   177 	pi = razor_package_iterator_create_for_property(set, property);

   178 	while (razor_package_iterator_next(pi, &package,

   179 					   &name, &version, &arch))

   180 		printf("%s-%s.%s\n", name, version, arch);

   181 	razor_package_iterator_destroy(pi);

   182 }

   183 

   184 static int

   185 list_property_packages(const char *ref_name,

   186 		       const char *ref_version,

   187 		       enum razor_property_type ref_type)

   188 {

   189 	struct razor_set *set;

   190 	struct razor_property *property;

   191 	struct razor_property_iterator *pi;

   192 	const char *name, *version;

   193 	enum razor_property_type type;

   194 	enum razor_version_relation relation;

   195 

   196 	if (ref_name == NULL)

   197 		return 0;

   198 

   199 	set = razor_set_open(repo_filename);

   200 	if (set == NULL)

   201 		return 1;

   202 

   203 	pi = razor_property_iterator_create(set, NULL);

   204 	while (razor_property_iterator_next(pi, &property,

   205 					    &name, &relation, &version,

   206 					    &type)) {

   207 		if (strcmp(ref_name, name) != 0)

   208 			continue;

   209 		if (ref_version && relation == RAZOR_VERSION_EQUAL &&

   210 		    strcmp(ref_version, version) != 0)

   211 			continue;

   212 		if (ref_type != type)

   213 			continue;

   214 

   215 		list_packages_for_property(set, property);

   216 	}

   217 	razor_property_iterator_destroy(pi);

   218 

   219 	return 0;

   220 }

   221 

   222 static int

   223 command_what_requires(int argc, const char *argv[])

   224 {

   225 	return list_property_packages(argv[0], argv[1],

   226 				      RAZOR_PROPERTY_REQUIRES);

   227 }

   228 

   229 static int

   230 command_what_provides(int argc, const char *argv[])

   231 {

   232 	return list_property_packages(argv[0], argv[1],

   233 				      RAZOR_PROPERTY_PROVIDES);

   234 }

   235 

   236 static int

   237 show_progress(void *clientp,

   238 	      double dltotal, double dlnow, double ultotal, double ulnow)

   239 {

   240 	const char *file = clientp;

   241 

   242 	if (!dlnow < dltotal)

   243 		fprintf(stderr, "\rdownloading %s, %dkB/%dkB",

   244 			file, (int) dlnow / 1024, (int) dltotal / 1024);

   245 

   246 	return 0;

   247 }

   248 

   249 static int

   250 download_if_missing(const char *url, const char *file)

   251 {

   252 	CURL *curl;

   253 	struct stat buf;

   254 	char error[256];

   255 	FILE *fp;

   256 	CURLcode res;

   257 	long response;

   258 

   259 	curl = curl_easy_init();

   260 	if (curl == NULL)

   261 		return 1;

   262 

   263 	curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error);

   264 	curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);

   265 	curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, show_progress);

   266 	curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, file);

   267 

   268 	if (stat(file, &buf) < 0) {

   269 		fp = fopen(file, "w");

   270 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);

   271 		curl_easy_setopt(curl, CURLOPT_URL, url);

   272 		res = curl_easy_perform(curl);

   273 		fclose(fp);

   274 		if (res != CURLE_OK) {

   275 			fprintf(stderr, "curl error: %s\n", error);

   276 			unlink(file);

   277 			return -1;

   278 		}

   279 		res = curl_easy_getinfo(curl,

   280 					CURLINFO_RESPONSE_CODE, &response);

   281 		if (res != CURLE_OK) {

   282 			fprintf(stderr, "curl error: %s\n", error);

   283                         unlink(file);

   284                         return -1;

   285 		}

   286 		if (response != 200) {

   287 			fprintf(stderr, " - failed %ld\n", response);

   288                         unlink(file);

   289                         return -1;

   290 		}

   291 		fprintf(stderr, "\n");

   292 	}

   293 

   294 	curl_easy_cleanup(curl);

   295 

   296 	return 0;

   297 }

   298 

   299 #define REPO_URL "http://download.fedora.redhat.com" \

   300 	"/pub/fedora/linux/development/i386/os"

   301 

   302 static int

   303 command_import_yum(int argc, const char *argv[])

   304 {

   305 	struct razor_set *set;

   306 

   307 	if (download_if_missing(REPO_URL "/repodata/primary.xml.gz",

   308 				"primary.xml.gz") < 0)

   309 		return -1;

   310 	if (download_if_missing(REPO_URL "/repodata/filelists.xml.gz",

   311 				"filelists.xml.gz") < 0)

   312 		return -1;

   313 

   314 	set = razor_set_create_from_yum();

   315 	if (set == NULL)

   316 		return 1;

   317 	razor_set_write(set, rawhide_repo_filename);

   318 	razor_set_destroy(set);

   319 	printf("wrote %s\n", rawhide_repo_filename);

   320 

   321 	return 0;

   322 }

   323 

   324 static int

   325 command_import_rpmdb(int argc, const char *argv[])

   326 {

   327 	struct razor_set *set;

   328 

   329 	set = razor_set_create_from_rpmdb();

   330 	if (set == NULL)

   331 		return 1;

   332 	razor_set_write(set, repo_filename);

   333 	razor_set_destroy(set);

   334 	printf("wrote %s\n", repo_filename);

   335 

   336 	return 0;

   337 }

   338 

   339 static int

   340 command_validate(int argc, const char *argv[])

   341 {

   342 	struct razor_set *set;

   343 

   344 	set = razor_set_open(repo_filename);

   345 	if (set == NULL)

   346 		return 1;

   347 	razor_set_list_unsatisfied(set);

   348 	razor_set_destroy(set);

   349 

   350 	return 0;

   351 }

   352 

   353 static int

   354 command_update(int argc, const char *argv[])

   355 {

   356 	struct razor_set *set, *upstream;

   357 	struct razor_transaction *trans;

   358 	int errors;

   359 

   360 	set = razor_set_open(repo_filename);

   361 	upstream = razor_set_open(rawhide_repo_filename);

   362 	if (set == NULL || upstream == NULL)

   363 		return 1;

   364 	trans = razor_transaction_create(set, upstream, argc, argv, 0, NULL);

   365 	errors = razor_transaction_describe(trans);

   366 	if (errors)

   367 		return 1;

   368 

   369 	set = razor_transaction_finish(trans);

   370 	razor_set_write(set, updated_repo_filename);

   371 	razor_set_destroy(set);

   372 	razor_set_destroy(upstream);

   373 	printf("wrote system-updated.repo\n");

   374 

   375 	return 0;

   376 }

   377 

   378 static int

   379 command_remove(int argc, const char *argv[])

   380 {

   381 	struct razor_set *set;

   382 	struct razor_transaction *trans;

   383 	int errors;

   384 

   385 	set = razor_set_open(repo_filename);

   386 	if (set == NULL)

   387 		return 1;

   388 	trans = razor_transaction_create(set, NULL, 0, NULL, argc, argv);

   389 	errors = razor_transaction_describe(trans);

   390 	if (errors)

   391 		return 1;

   392 

   393 	set = razor_transaction_finish(trans);

   394 	razor_set_write(set, updated_repo_filename);

   395 	razor_set_destroy(set);

   396 	printf("wrote system-updated.repo\n");

   397 

   398 	return 0;

   399 }

   400 

   401 static void

   402 print_diff(const char *name,

   403 	   const char *old_version, const char *new_version, const char *arch,

   404 	   void *data)

   405 {

   406 	if (old_version)

   407 		printf("removing %s %s\n", name, old_version);

   408 	else

   409 		printf("install %s %s\n", name, new_version);

   410 }

   411 

   412 static int

   413 command_diff(int argc, const char *argv[])

   414 {

   415 	struct razor_set *set, *updated;

   416 

   417 	set = razor_set_open(repo_filename);

   418 	updated = razor_set_open(updated_repo_filename);

   419 	if (set == NULL || updated == NULL)

   420 		return 1;

   421 

   422 	razor_set_diff(set, updated, print_diff, NULL);	

   423 

   424 	razor_set_destroy(set);

   425 	razor_set_destroy(updated);

   426 

   427 	return 0;

   428 }

   429 

   430 static int

   431 command_import_rpms(int argc, const char *argv[])

   432 {

   433 	DIR *dir;

   434 	struct dirent *de;

   435 	struct razor_importer *importer;

   436 	struct razor_set *set;

   437 	struct razor_rpm *rpm;

   438 	int len;

   439 	char filename[256];

   440 	const char *dirname = argv[0];

   441 

   442 	if (dirname == NULL) {

   443 		fprintf(stderr, "usage: razor import-rpms DIR\n");

   444 		return -1;

   445 	}

   446 

   447 	dir = opendir(dirname);

   448 	if (dir == NULL) {

   449 		fprintf(stderr, "couldn't read dir %s\n", dirname);

   450 		return -1;

   451 	}

   452 

   453 	importer = razor_importer_new();

   454 

   455 	while (de = readdir(dir), de != NULL) {

   456 		len = strlen(de->d_name);

   457 		if (len < 5 || strcmp(de->d_name + len - 4, ".rpm") != 0)

   458 		    continue;

   459 		snprintf(filename, sizeof filename,

   460 			 "%s/%s", dirname, de->d_name);

   461 		rpm = razor_rpm_open(filename);

   462 		if (rpm == NULL) {

   463 			fprintf(stderr,

   464 				"failed to open rpm \"%s\"\n", filename);

   465 			continue;

   466 		}

   467 		if (razor_importer_add_rpm(importer, rpm)) {

   468 			fprintf(stderr, "couldn't import %s\n", filename);

   469 			break;

   470 		}

   471 		razor_rpm_close(rpm);

   472 	}

   473 

   474 	if (de != NULL) {

   475 		razor_importer_destroy(importer);

   476 		return -1;

   477 	}

   478 

   479 	set = razor_importer_finish(importer);

   480 

   481 	razor_set_write(set, repo_filename);

   482 	razor_set_destroy(set);

   483 	printf("wrote %s\n", repo_filename);

   484 

   485 	return 0;

   486 }

   487 

   488 static void

   489 download_package(const char *name,

   490 		 const char *old_version,

   491 		 const char *new_version,

   492 		 const char *arch,

   493 		 void *data)

   494 {

   495 	char file[PATH_MAX], url[256];

   496 	const char *v;

   497 	int *errors = data;

   498 

   499 	if (old_version)

   500 		return;

   501 

   502 	/* Skip epoch */

   503 	v = strchr(new_version, ':');

   504 	if (v != NULL)

   505 		v = v + 1;

   506 	else

   507 		v = new_version;

   508 

   509 	snprintf(url, sizeof url,

   510 		 REPO_URL "/Packages/%s-%s.%s.rpm", name, v, arch);

   511 	snprintf(file, sizeof file,

   512 		 "rpms/%s-%s.%s.rpm", name, v, arch);

   513 	if (download_if_missing(url, file) < 0)

   514 		(*errors)++;

   515 }

   516 

   517 static void

   518 install_package(const char *name,

   519 		const char *old_version,

   520 		const char *new_version,

   521 		const char *arch,

   522 		void *data)

   523 {

   524 	const char *v, *root = data;

   525 	char file[PATH_MAX];

   526 	struct razor_rpm *rpm;

   527 

   528 	if (old_version) {

   529 		printf("removing %s %s not handled\n", name, old_version);

   530 		return;

   531 	}

   532 

   533 	/* Skip epoch */

   534 	v = strchr(new_version, ':');

   535 	if (v != NULL)

   536 		v = v + 1;

   537 	else

   538 		v = new_version;

   539 

   540 	printf("install %s %s\n", name, v);

   541 	snprintf(file, sizeof file, "rpms/%s-%s.%s.rpm", name, v, arch);

   542 

   543  	rpm = razor_rpm_open(file);

   544 	if (rpm == NULL) {

   545 		fprintf(stderr, "failed to open rpm %s\n", file);

   546 		return;

   547 	}

   548 	if (razor_rpm_install(rpm, root) < 0) {

   549 		fprintf(stderr,

   550 			"failed to install rpm %s\n", file);

   551 		return;

   552 	}

   553 	razor_rpm_close(rpm);

   554 }

   555 

   556 static int

   557 command_install(int argc, const char *argv[])

   558 {

   559 	struct razor_set *system, *upstream, *next;

   560 	struct razor_transaction *trans;

   561 	char path[PATH_MAX], new_path[PATH_MAX];

   562 	int errors, fd;

   563 

   564 	/* Create the new next repo file up front to ensure exclusive

   565 	 * access. */

   566 	snprintf(new_path, sizeof new_path,

   567 		 "%s%s/%s", root, razor_root_path, next_repo_filename);

   568 	fd = open(new_path, O_CREAT | O_WRONLY | O_TRUNC | O_EXCL, 0666);

   569 	if (fd < 0) {

   570 		fprintf(stderr, "failed to get lock file, "

   571 			"maybe previous operation crashed?\n");

   572 

   573 		/* FIXME: Use fcntl advisory locking to figure out

   574 		 * whether previous operation crashed or is still in

   575 		 * progress. */

   576 

   577 		return -1;

   578 	}

   579 

   580 	upstream = razor_set_open(rawhide_repo_filename);

   581 	snprintf(path, sizeof path,

   582 		 "%s%s/%s", root, razor_root_path, system_repo_filename);

   583 	system = razor_set_open(path);

   584 	if (system == NULL || upstream == NULL) {

   585 		unlink(new_path);

   586 		return 1;

   587 	}

   588 	trans = razor_transaction_create(system, upstream,

   589 					 argc, argv, 0, NULL);

   590 	errors = razor_transaction_describe(trans);

   591 	if (errors) {

   592 		unlink(new_path);

   593 		return 1;

   594 	}

   595 

   596 	next = razor_transaction_finish(trans);

   597 

   598 	razor_set_write_to_fd(next, fd);

   599 	printf("wrote %s\n", new_path);

   600 

   601 	if (mkdir("rpms", 0777) && errno != EEXIST) {

   602 		fprintf(stderr, "failed to create rpms directory.\n");

   603 		return 1;

   604 	}

   605 

   606 	razor_set_diff(system, next, download_package, &errors);

   607 	if (errors > 0) {

   608 		fprintf(stderr, "failed to download %d packages\n", errors);

   609 		unlink(new_path);

   610                 return 1;

   611         }

   612 

   613 	/* FIXME: We need to figure out the right install order here,

   614 	 * so the post and pre scripts can run. */

   615 	razor_set_diff(system, next, install_package, (void *) root);

   616 

   617 	razor_set_destroy(next);

   618 	razor_set_destroy(system);

   619 	razor_set_destroy(upstream);

   620 

   621 	/* Make it so. */

   622 	rename(new_path, path);

   623 	printf("renamed %s to %s\n", new_path, path);

   624 

   625 	return 0;

   626 }

   627 

   628 static int

   629 command_init(int argc, const char *argv[])

   630 {

   631 	struct stat buf;

   632 	struct razor_set *set;

   633 	char path[PATH_MAX];

   634 

   635 	if (stat(root, &buf) < 0) {

   636 		if (mkdir(root, 0777) < 0) {

   637 			fprintf(stderr,

   638 				"could not create install root \"%s\"\n",

   639 				root);

   640 			return -1;

   641 		}

   642 		fprintf(stderr, "created install root \"%s\"\n", root);

   643 	} else if (!S_ISDIR(buf.st_mode)) {

   644 		fprintf(stderr,

   645 			"install root \"%s\" exists, but is not a directory\n",

   646 			root);

   647 		return -1;

   648 	}

   649 

   650 	if (razor_create_dir(root, razor_root_path) < 0) {

   651 		fprintf(stderr, "could not create %s%s\n",

   652 			root, razor_root_path);

   653 		return -1;

   654 	}

   655 

   656 	set = razor_set_create();

   657 	snprintf(path, sizeof path, "%s%s/%s",

   658 		 root, razor_root_path, system_repo_filename);

   659 	if (razor_set_write(set, path) < 0) {

   660 		fprintf(stderr, "could not write initial package set\n");

   661 		return -1;

   662 	}

   663 	razor_set_destroy(set);

   664 

   665 	return 0;

   666 }

   667 

   668 static int

   669 command_download(int argc, const char *argv[])

   670 {

   671 	struct razor_set *set;

   672 	struct razor_package_iterator *pi;

   673 	struct razor_package *package;

   674 	const char *pattern = argv[0], *name, *version, *arch;

   675 	char url[256], file[256];

   676 	int matches = 0;

   677 

   678 	if (mkdir("rpms", 0777) && errno != EEXIST) {

   679 		fprintf(stderr, "failed to create rpms directory.\n");

   680 		return 1;

   681 	}

   682 

   683 	set = razor_set_open(rawhide_repo_filename);

   684 	pi = razor_package_iterator_create(set);

   685 	while (razor_package_iterator_next(pi, &package,

   686 					   &name, &version, &arch)) {

   687 		if (pattern && fnmatch(pattern, name, 0) != 0)

   688 			continue;

   689 

   690 		matches++;

   691 		snprintf(url, sizeof url,

   692 			 REPO_URL "/Packages/%s-%s.%s.rpm",

   693 			 name, version, arch);

   694 		snprintf(file, sizeof file,

   695 			 "rpms/%s-%s.%s.rpm", name, version, arch);

   696 		download_if_missing(url, file);

   697 	}

   698 	razor_package_iterator_destroy(pi);

   699 	razor_set_destroy(set);

   700 

   701 	if (matches == 0)

   702 		fprintf(stderr, "no packages matched \"%s\"\n", pattern);

   703 	else if (matches == 1)

   704 		fprintf(stderr, "downloaded 1 package\n");

   705 	else

   706 		fprintf(stderr, "downloaded %d packages\n", matches);

   707 

   708 	return 0;

   709 }

   710 

   711 static struct {

   712 	const char *name;

   713 	const char *description;

   714 	int (*func)(int argc, const char *argv[]);

   715 } razor_commands[] = {

   716 	{ "list", "list all packages", command_list },

   717 	{ "list-requires", "list all requires for the given package", command_list_requires },

   718 	{ "list-provides", "list all provides for the given package", command_list_provides },

   719 	{ "list-obsoletes", "list all obsoletes for the given package", command_list_obsoletes },

   720 	{ "list-conflicts", "list all conflicts for the given package", command_list_conflicts },

   721 	{ "list-files", "list files for package set", command_list_files },

   722 	{ "list-file-packages", "list packages owning file", command_list_file_packages },

   723 	{ "list-package-files", "list files in package", command_list_package_files },

   724 	{ "what-requires", "list the packages that have the given requires", command_what_requires },

   725 	{ "what-provides", "list the packages that have the given provides", command_what_provides },

   726 	{ "import-yum", "import yum metadata files", command_import_yum },

   727 	{ "import-rpmdb", "import the system rpm database", command_import_rpmdb },

   728 	{ "import-rpms", "import rpms from the given directory", command_import_rpms },

   729 	{ "validate", "validate a package set", command_validate },

   730 	{ "update", "update all or specified packages", command_update },

   731 	{ "remove", "remove specified packages", command_remove },

   732 	{ "diff", "show diff between two package sets", command_diff },

   733 	{ "install", "install rpm", command_install },

   734 	{ "init", "init razor root", command_init },

   735 	{ "download", "download packages", command_download }

   736 };

   737 

   738 static int

   739 usage(void)

   740 {

   741 	int i;

   742 

   743 	printf("usage:\n");

   744 	for (i = 0; i < ARRAY_SIZE(razor_commands); i++)

   745 		printf("  %-20s%s\n",

   746 		       razor_commands[i].name, razor_commands[i].description);

   747 

   748 	return 1;

   749 }

   750 

   751 int

   752 main(int argc, const char *argv[])

   753 {

   754 	char *repo;

   755 	int i;

   756 

   757 	repo = getenv("RAZOR_REPO");

   758 	if (repo != NULL)

   759 		repo_filename = repo;

   760 

   761 	if (argc < 2)

   762 		return usage();

   763 

   764 	for (i = 0; i < ARRAY_SIZE(razor_commands); i++)

   765 		if (strcmp(razor_commands[i].name, argv[1]) == 0)

   766 			return razor_commands[i].func(argc - 2, argv + 2);

   767 

   768 	return usage();

   769 }
razor