mirror of https://github.com/pygos/pkg-utils.git
138 lines
3.2 KiB
C
138 lines
3.2 KiB
C
#include "install.h"
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static const struct option long_opts[] = {
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{ "root", required_argument, NULL, 'r' },
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{ "no-chown", required_argument, NULL, 'o' },
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{ "no-chmod", required_argument, NULL, 'm' },
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{ "repo-dir", 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 = "R:r:om";
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static int unpack_packages(int repofd, int rootfd, int flags,
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struct pkg_dep_list *list)
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{
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struct pkg_dep_node *it;
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pkg_reader_t *rd;
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for (it = list->head; it != NULL; it = it->next) {
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rd = pkg_reader_open_repo(repofd, it->name);
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if (rd == NULL)
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return -1;
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if (pkg_unpack(rootfd, flags, rd)) {
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pkg_reader_close(rd);
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return -1;
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}
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pkg_reader_close(rd);
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}
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return 0;
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}
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static int cmd_install(int argc, char **argv)
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{
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int i, rootfd = AT_FDCWD, repofd = AT_FDCWD, flags = 0;
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struct pkg_dep_list list;
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int ret = EXIT_FAILURE;
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memset(&list, 0, sizeof(list));
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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 'R':
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if (repofd != AT_FDCWD) {
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fputs("repo specified more than once\n",
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stderr);
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tell_read_help(argv[0]);
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goto out;
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}
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repofd = open(optarg, O_RDONLY | O_DIRECTORY);
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if (repofd < 0) {
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perror(optarg);
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goto out;
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}
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break;
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case 'r':
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if (rootfd != AT_FDCWD) {
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fputs("root specified more than once\n",
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stderr);
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tell_read_help(argv[0]);
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goto out;
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}
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if (mkdir_p(optarg))
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goto out;
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rootfd = open(optarg, O_RDONLY | O_DIRECTORY);
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if (rootfd < 0) {
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perror(optarg);
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goto out;
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}
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break;
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case 'o':
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flags |= UNPACK_NO_CHOWN;
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break;
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case 'm':
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flags |= UNPACK_NO_CHMOD;
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break;
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default:
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tell_read_help(argv[0]);
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goto out;
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}
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}
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for (i = optind; i < argc; ++i) {
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if (append_pkg(&list, argv[i]) == NULL)
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goto out;
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}
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if (collect_dependencies(repofd, &list))
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goto out;
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if (sort_by_dependencies(&list))
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goto out;
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if (unpack_packages(repofd, rootfd, flags, &list))
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goto out;
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ret = EXIT_SUCCESS;
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out:
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if (rootfd != AT_FDCWD)
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close(rootfd);
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if (repofd != AT_FDCWD)
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close(repofd);
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pkg_list_cleanup(&list);
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return ret;
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}
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static command_t install = {
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.cmd = "install",
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.usage = "[OPTIONS...] PACKAGES...",
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.s_desc = "install packages and their dependencies",
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.l_desc =
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"The install command fetches a number of packages from a repository directory\n"
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"by name and extracts them to a specified root directory. Dependencies of the\n"
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"packages are evaluated and also installed.\n"
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"\n"
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"Possible options:\n"
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" --repo-dir, -R <path> Specify the input repository path to fetch the\n"
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" packages from.\n"
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" --root, -r <path> A root directory to unpack the package. Defaults\n"
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" to the current working directory if not set.\n"
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" --no-chown, -o Do not change ownership of the extracted data.\n"
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" Keep the uid/gid of the user who runs the program.\n"
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" --no-chmod, -m Do not change permission flags of the extarcted\n"
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" data. Use 0644 for all files and 0755 for all\n"
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" directories.\n",
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.run_cmd = cmd_install,
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};
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REGISTER_COMMAND(install)
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