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main.c
author Dan Winship <danw@gnome.org>
Fri Feb 29 15:09:44 2008 -0500 (2008-02-29)
changeset 139 a416240614e3
parent 129 d221757574c1
child 151 ae6ceb604f54
permissions -rw-r--r--
add somewhat inefficient file dep removal code

(fwiw, the comment on the previous commit was incorrect) 
     1 #include <stdlib.h>

     2 #include <stddef.h>

     3 #include <stdio.h>

     4 #include <string.h>

     5 #include <sys/types.h>

     6 #include <sys/stat.h>

     7 #include <unistd.h>

     8 #include <dirent.h>

     9 #include <curl/curl.h>

    10 #include <fnmatch.h>

    11 #include "razor.h"

    12 

    13 static const char *repo_filename = "system.repo";

    14 static const char *rawhide_repo_filename = "rawhide.repo";

    15 static const char *updated_repo_filename = "system-updated.repo";

    16 

    17 static int

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

    19 {

    20 	struct razor_set *set;

    21 	struct razor_package_iterator *pi;

    22 	struct razor_package *package;

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

    24 

    25 	set = razor_set_open(repo_filename);

    26 	pi = razor_package_iterator_create(set);

    27 	while (razor_package_iterator_next(pi, &package, &name, &version)) {

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

    29 			continue;

    30 

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

    32 	}

    33 	razor_package_iterator_destroy(pi);

    34 	razor_set_destroy(set);

    35 

    36 	return 0;

    37 }

    38 

    39 static int

    40 list_properties(const char *package_name,

    41 		enum razor_property_type required_type)

    42 {

    43 	struct razor_set *set;

    44 	struct razor_property *property;

    45 	struct razor_package *package;

    46 	struct razor_property_iterator *pi;

    47 	const char *name, *version;

    48 	enum razor_property_type type;

    49 	enum razor_version_relation relation;

    50 

    51 	set = razor_set_open(repo_filename);

    52 	if (package_name)

    53 		package = razor_set_get_package(set, package_name);

    54 	else

    55 		package = NULL;

    56 

    57 	pi = razor_property_iterator_create(set, package);

    58 	while (razor_property_iterator_next(pi, &property,

    59 					    &name, &relation, &version,

    60 					    &type)) {

    61 		if (type != required_type)

    62 			continue;

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

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

    65 		else

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

    67 			       razor_version_relations[relation], version);

    68 	}

    69 	razor_property_iterator_destroy(pi);

    70 

    71 	razor_set_destroy(set);

    72 

    73 	return 0;

    74 }

    75 

    76 static int

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

    78 {

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

    80 }

    81 

    82 static int

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

    84 {

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

    86 }

    87 

    88 static int

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

    90 {

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

    92 }

    93 

    94 static int

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

    96 {

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

    98 }

    99 

   100 static int

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

   102 {

   103 	struct razor_set *set;

   104 

   105 	set = razor_set_open(repo_filename);

   106 	if (set == NULL)

   107 		return 1;

   108 	razor_set_list_files(set, argv[0]);

   109 	razor_set_destroy(set);

   110 

   111 	return 0;

   112 }

   113 

   114 static int

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

   116 {

   117 	struct razor_set *set;

   118 	struct razor_package_iterator *pi;

   119 	struct razor_package *package;

   120 	const char *name, *version;

   121 

   122 	set = razor_set_open(repo_filename);

   123 	if (set == NULL)

   124 		return 1;

   125 

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

   127 	while (razor_package_iterator_next(pi, &package, &name, &version))

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

   129 	razor_package_iterator_destroy(pi);

   130 

   131 	razor_set_destroy(set);

   132 

   133 	return 0;

   134 }

   135 

   136 static int

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

   138 {

   139 	struct razor_set *set;

   140 

   141 	set = razor_set_open(repo_filename);

   142 	if (set == NULL)

   143 		return 1;

   144 	razor_set_list_package_files(set, argv[0]);

   145 	razor_set_destroy(set);

   146 

   147 	return 0;

   148 }

   149 

   150 static void

   151 list_packages_for_property(struct razor_set *set,

   152 			   struct razor_property *property)

   153 {

   154 	struct razor_package_iterator *pi;

   155 	struct razor_package *package;

   156 	const char *name, *version;

   157 

   158 	pi = razor_package_iterator_create_for_property(set, property);

   159 	while (razor_package_iterator_next(pi, &package, &name, &version))

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

   161 	razor_package_iterator_destroy(pi);

   162 }

   163 

   164 static int

   165 list_property_packages(const char *ref_name,

   166 		       const char *ref_version,

   167 		       enum razor_property_type ref_type)

   168 {

   169 	struct razor_set *set;

   170 	struct razor_property *property;

   171 	struct razor_property_iterator *pi;

   172 	const char *name, *version;

   173 	enum razor_property_type type;

   174 	enum razor_version_relation relation;

   175 

   176 	if (ref_name == NULL)

   177 		return 0;

   178 

   179 	set = razor_set_open(repo_filename);

   180 	if (set == NULL)

   181 		return 1;

   182 

   183 	pi = razor_property_iterator_create(set, NULL);

   184 	while (razor_property_iterator_next(pi, &property,

   185 					    &name, &relation, &version,

   186 					    &type)) {

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

   188 			continue;

   189 		if (ref_version && relation == RAZOR_VERSION_EQUAL &&

   190 		    strcmp(ref_version, version) != 0)

   191 			continue;

   192 		if (ref_type != type)

   193 			continue;

   194 

   195 		list_packages_for_property(set, property);

   196 	}

   197 	razor_property_iterator_destroy(pi);

   198 

   199 	return 0;

   200 }

   201 

   202 static int

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

   204 {

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

   206 				      RAZOR_PROPERTY_REQUIRES);

   207 }

   208 

   209 static int

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

   211 {

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

   213 				      RAZOR_PROPERTY_PROVIDES);

   214 }

   215 

   216 static int

   217 show_progress(void *clientp,

   218 	      double dltotal, double dlnow, double ultotal, double ulnow)

   219 {

   220 	const char *file = clientp;

   221 

   222 	if (!dlnow < dltotal)

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

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

   225 	else

   226 		fprintf(stderr, "\n");

   227 

   228 	return 0;

   229 }

   230 

   231 static int

   232 download_if_missing(CURL *curl, const char *url, const char *file)

   233 {

   234 	struct stat buf;

   235 	char error[256];

   236 	FILE *fp;

   237 	CURLcode res;

   238 	char buffer[256];

   239 

   240 	curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error);

   241 	curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);

   242 	curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, show_progress);

   243 	curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, file);

   244 

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

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

   247 		snprintf(buffer, sizeof buffer, "%s/%s", url, file);

   248 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);

   249 		curl_easy_setopt(curl, CURLOPT_URL, buffer);

   250 		res = curl_easy_perform(curl);

   251 		fclose(fp);

   252 		if (res != CURLE_OK) {

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

   254 			unlink(file);

   255 			return -1;

   256 		}

   257 	}

   258 

   259 	return 0;

   260 }

   261 

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

   263 	"/pub/fedora/linux/development/i386/os/repodata"

   264 

   265 static int

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

   267 {

   268 	struct razor_set *set;

   269 	CURL *curl;

   270 

   271 	curl = curl_easy_init();

   272 	if (curl == NULL)

   273 		return 1;

   274 

   275 	if (download_if_missing(curl, REPO_URL, "primary.xml.gz") < 0)

   276 		return -1;

   277 	if (download_if_missing(curl, REPO_URL, "filelists.xml.gz") < 0)

   278 		return -1;

   279 	curl_easy_cleanup(curl);

   280 

   281 	set = razor_set_create_from_yum();

   282 	if (set == NULL)

   283 		return 1;

   284 	razor_set_write(set, rawhide_repo_filename);

   285 	razor_set_destroy(set);

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

   287 

   288 	return 0;

   289 }

   290 

   291 static int

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

   293 {

   294 	struct razor_set *set;

   295 

   296 	set = razor_set_create_from_rpmdb();

   297 	if (set == NULL)

   298 		return 1;

   299 	razor_set_write(set, repo_filename);

   300 	razor_set_destroy(set);

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

   302 

   303 	return 0;

   304 }

   305 

   306 static int

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

   308 {

   309 	struct razor_set *set;

   310 

   311 	set = razor_set_open(repo_filename);

   312 	if (set == NULL)

   313 		return 1;

   314 	razor_set_list_unsatisfied(set);

   315 	razor_set_destroy(set);

   316 

   317 	return 0;

   318 }

   319 

   320 static int

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

   322 {

   323 	struct razor_set *set, *upstream;

   324 	struct razor_transaction *trans;

   325 

   326 	set = razor_set_open(repo_filename);

   327 	upstream = razor_set_open(rawhide_repo_filename);

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

   329 		return 1;

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

   331 	razor_transaction_describe(trans);

   332 	if (trans->errors)

   333 		return 1;

   334 

   335 	set = razor_transaction_run(trans);

   336 	razor_transaction_destroy(trans);

   337 	razor_set_write(set, updated_repo_filename);

   338 	razor_set_destroy(set);

   339 	razor_set_destroy(upstream);

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

   341 

   342 	return 0;

   343 }

   344 

   345 static int

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

   347 {

   348 	struct razor_set *set;

   349 	struct razor_transaction *trans;

   350 

   351 	set = razor_set_open(repo_filename);

   352 	if (set == NULL)

   353 		return 1;

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

   355 	razor_transaction_describe(trans);

   356 	if (trans->errors)

   357 		return 1;

   358 

   359 	set = razor_transaction_run(trans);

   360 	razor_transaction_destroy(trans);

   361 	razor_set_write(set, updated_repo_filename);

   362 	razor_set_destroy(set);

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

   364 

   365 	return 0;

   366 }

   367 

   368 static void

   369 print_diff(const char *name,

   370 	   const char *old_version, const char *new_version, void *data)

   371 {

   372 	if (old_version)

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

   374 	else

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

   376 }

   377 

   378 static int

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

   380 {

   381 	struct razor_set *set, *updated;

   382 

   383 	set = razor_set_open(repo_filename);

   384 	updated = razor_set_open(updated_repo_filename);

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

   386 		return 1;

   387 

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

   389 

   390 	razor_set_destroy(set);

   391 	razor_set_destroy(updated);

   392 

   393 	return 0;

   394 }

   395 

   396 static int

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

   398 {

   399 	DIR *dir;

   400 	struct dirent *de;

   401 	struct razor_importer *importer;

   402 	struct razor_set *set;

   403 	struct razor_rpm *rpm;

   404 	int len;

   405 	char filename[256];

   406 	const char *dirname = argv[0];

   407 

   408 	if (dirname == NULL) {

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

   410 		return -1;

   411 	}

   412 

   413 	dir = opendir(dirname);

   414 	if (dir == NULL) {

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

   416 		return -1;

   417 	}

   418 

   419 	importer = razor_importer_new();

   420 

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

   422 		len = strlen(de->d_name);

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

   424 		    continue;

   425 		snprintf(filename, sizeof filename,

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

   427 		rpm = razor_rpm_open(filename);

   428 		if (rpm == NULL) {

   429 			fprintf(stderr,

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

   431 			continue;

   432 		}

   433 		if (razor_importer_add_rpm(importer, rpm)) {

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

   435 			break;

   436 		}

   437 		razor_rpm_close(rpm);

   438 	}

   439 

   440 	if (de != NULL) {

   441 		razor_importer_destroy(importer);

   442 		return -1;

   443 	}

   444 

   445 	set = razor_importer_finish(importer);

   446 

   447 	razor_set_write(set, repo_filename);

   448 	razor_set_destroy(set);

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

   450 

   451 	return 0;

   452 }

   453 

   454 static int

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

   456 {

   457 	struct razor_rpm *rpm;

   458 	const char *filename = argv[0];

   459 	struct stat buf;

   460 	const char root[] = "install";

   461 

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

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

   464 			fprintf(stderr,

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

   466 				root);

   467 			return -1;

   468 		}

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

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

   471 		fprintf(stderr,

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

   473 			root);

   474 		return -1;

   475 	}

   476 

   477 	rpm = razor_rpm_open(filename);

   478 	if (rpm == NULL) {

   479 		fprintf(stderr, "failed to open rpm %s\n", filename);

   480 		return -1;

   481 	}

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

   483 		fprintf(stderr, "failed to install rpm %s\n", filename);

   484 		return -1;

   485 	}

   486 	

   487 	razor_rpm_close(rpm);

   488 

   489 	return 0;

   490 }

   491 

   492 static struct {

   493 	const char *name;

   494 	const char *description;

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

   496 } razor_commands[] = {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   514 	{ "install", "install rpm", command_install }

   515 };

   516 

   517 static int

   518 usage(void)

   519 {

   520 	int i;

   521 

   522 	printf("usage:\n");

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

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

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

   526 

   527 	return 1;

   528 }

   529 

   530 int

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

   532 {

   533 	char *repo;

   534 	int i;

   535 

   536 	repo = getenv("RAZOR_REPO");

   537 	if (repo != NULL)

   538 		repo_filename = repo;

   539 

   540 	if (argc < 2)

   541 		return usage();

   542 

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

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

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

   546 

   547 	return usage();

   548 }
razor