mirror of
https://github.com/pygos/pkg-utils.git
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127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/* SPDX-License-Identifier: ISC */
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#include "dump.h"
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static const struct option long_opts[] = {
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{ "dependencies", no_argument, NULL, 'd' },
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{ "list-files", required_argument, NULL, 'l' },
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{ "root", required_argument, NULL, 'r' },
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{ NULL, 0, NULL, 0 },
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};
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static const char *short_opts = "dl:r:";
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static int cmd_dump(int argc, char **argv)
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{
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TOC_FORMAT format = TOC_FORMAT_PRETTY;
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image_entry_t *list = NULL;
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const char *root = NULL;
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int ret = EXIT_FAILURE;
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pkg_reader_t *rd;
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int i, flags = 0;
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for (;;) {
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i = getopt_long(argc, argv, short_opts, long_opts, NULL);
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if (i == -1)
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break;
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switch (i) {
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case 'l':
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flags |= DUMP_TOC;
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if (strcmp(optarg, "sqfs") == 0) {
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format = TOC_FORMAT_SQFS;
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} else if (strcmp(optarg, "initrd") == 0) {
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format = TOC_FORMAT_INITRD;
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} else if (strcmp(optarg, "pkg") == 0) {
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format = TOC_FORMAT_PKG;
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} else if (strcmp(optarg, "detail") == 0) {
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format = TOC_FORMAT_PRETTY;
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} else {
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fprintf(stderr, "unknown format '%s'\n",
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optarg);
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tell_read_help(argv[0]);
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return EXIT_FAILURE;
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}
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break;
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case 'r':
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root = optarg;
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break;
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case 'd':
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flags |= DUMP_DEPS;
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break;
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default:
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tell_read_help(argv[0]);
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return EXIT_FAILURE;
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}
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}
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if (flags == 0)
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flags = DUMP_ALL;
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if (optind >= argc) {
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fputs("missing argument: package file\n", stderr);
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tell_read_help(argv[0]);
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return EXIT_FAILURE;
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}
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rd = pkg_reader_open(argv[optind++]);
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if (rd == NULL)
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return EXIT_FAILURE;
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if (optind < argc)
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fputs("warning: ignoring extra arguments\n", stderr);
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if (flags & DUMP_DEPS) {
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if (dump_header(rd, flags))
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goto out;
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}
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if (image_entry_list_from_package(rd, &list))
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goto out;
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if (flags & DUMP_TOC && list != NULL) {
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if (dump_toc(list, root, format))
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goto out;
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}
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ret = EXIT_SUCCESS;
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out:
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if (list != NULL)
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image_entry_free_list(list);
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pkg_reader_close(rd);
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return ret;
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}
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static command_t dump = {
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.cmd = "dump",
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.usage = "[OPTIONS...] <pkgfile>",
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.s_desc = "read dump all information from a package file",
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.l_desc =
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"Parse a package file and dump information it contains, such as the list of\n"
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"files, et cetera.\n"
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"\n"
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"Possible options:\n"
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" --dependencies, -d Show dependency information of a package.\n"
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"\n"
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" --list-files, -l <format> Produce a list of files with a specified\n"
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" formating.\n"
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"\n"
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" If \"detail\" is specified, a human readable,\n"
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" pretty printed format with details is used.\n"
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"\n"
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" If \"sqfs\" is specified, a squashfs pseudo\n"
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" file is genareated for setting permissions\n"
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" bits and ownership appropriately.\n"
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"\n"
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" If \"initrd\" is specified, the format of\n"
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" Linux gen_init_cpio is produced.\n"
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"\n"
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" --root, -r <path> If a format is used that requires absoulute\n"
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" input paths (e.g. initrd), prefix all file\n"
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" paths with this. Can be used, for instance to\n"
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" unpack a package to a staging directory and\n"
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" generate a a listing for Linux\n"
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" CONFIG_INITRAMFS_SOURCE.\n",
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.run_cmd = cmd_dump,
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};
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REGISTER_COMMAND(dump)
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