#include "pack.h" static const struct option long_opts[] = { { "toc-compressor", required_argument, NULL, 't' }, { "file-compressor", required_argument, NULL, 'f' }, { "description", required_argument, NULL, 'd' }, { "file-list", required_argument, NULL, 'l' }, { "repo-dir", required_argument, NULL, 'r' }, { NULL, 0, NULL, 0 }, }; static const char *short_opts = "t:f:l:r:d:"; static compressor_t *get_default_compressor(void) { compressor_t *cmp; cmp = compressor_by_id(PKG_COMPRESSION_LZMA); if (cmp != NULL) return cmp; cmp = compressor_by_id(PKG_COMPRESSION_ZLIB); if (cmp != NULL) return cmp; cmp = compressor_by_id(PKG_COMPRESSION_NONE); if (cmp != NULL) return cmp; return cmp; } static compressor_t *try_get_compressor(const char *name) { compressor_t *cmp = compressor_by_name(name); if (cmp == NULL) fprintf(stderr, "unkown compressor: %s\n", name); return cmp; } static pkg_writer_t *open_writer(pkg_desc_t *desc, const char *repodir) { char *path; if (mkdir_p(repodir)) return NULL; path = alloca(strlen(repodir) + strlen(desc->name) + 16); sprintf(path, "%s/%s.pkg", repodir, desc->name); return pkg_writer_open(path); } static int cmd_pack(int argc, char **argv) { const char *filelist = NULL, *repodir = NULL, *descfile = NULL; compressor_t *cmp_toc, *cmp_files; image_entry_t *list = NULL; pkg_writer_t *wr; pkg_desc_t desc; int i; cmp_toc = get_default_compressor(); cmp_files = cmp_toc; if (cmp_toc == NULL) { fputs("no compressor implementations available\n", stderr); return EXIT_FAILURE; } for (;;) { i = getopt_long(argc, argv, short_opts, long_opts, NULL); if (i == -1) break; switch (i) { case 't': cmp_toc = try_get_compressor(optarg); if (cmp_toc == NULL) return EXIT_FAILURE; break; case 'f': cmp_files = try_get_compressor(optarg); if (cmp_files == NULL) return EXIT_FAILURE; break; case 'l': filelist = optarg; break; case 'd': descfile = optarg; break; case 'r': repodir = optarg; break; default: tell_read_help(argv[0]); return EXIT_FAILURE; } } if (descfile == NULL) { fputs("missing argument: package description file\n", stderr); tell_read_help(argv[0]); return EXIT_FAILURE; } if (repodir == NULL) { fputs("missing argument: repository directory\n", stderr); tell_read_help(argv[0]); return EXIT_FAILURE; } if (optind < argc) fputs("warning: ignoring extra arguments\n", stderr); if (desc_read(descfile, &desc)) return EXIT_FAILURE; if (filelist != NULL && filelist_read(filelist, &list)) goto fail_desc; wr = open_writer(&desc, repodir); if (wr == NULL) goto fail_fp; if (write_header_data(wr, &desc)) goto fail; if (list != NULL) { if (write_toc(wr, list, cmp_toc)) goto fail; if (write_files(wr, list, cmp_files)) goto fail; } pkg_writer_close(wr); image_entry_free_list(list); desc_free(&desc); return EXIT_SUCCESS; fail: pkg_writer_close(wr); fail_fp: image_entry_free_list(list); fail_desc: desc_free(&desc); return EXIT_FAILURE; } static command_t pack = { .cmd = "pack", .usage = "OPTIONS...", .s_desc = "generate a package file", .l_desc = "Read a list of files from the given lists file and generate a package.\n" "Possible options:\n" " --file-list, -l Specify a file containing a list of input files.\n" " --repo-dir, -r Specify the output repository path to store the\n" " package in.\n" " --description, -d Specify a file containing a description of the\n" " package, including information such as package\n" " dependencies, the actual package name, etc.\n" "\n" " --toc-compressor, -t \n" " --file-compressor, -f \n" " Specify what compressor to use for compressing the table of contents,\n" " or for compressing files respectively.\n", .run_cmd = cmd_pack, }; REGISTER_COMMAND(pack)