/* cmd-update.c: * **************************************************************** * Copyright (C) 2003 Tom Lord * * See the file "COPYING" for further information about * the copyright and warranty status of this work. */ #include "config-options.h" #include "po/gettext.h" #include "hackerlab/bugs/exception.h" #include "hackerlab/cmd/main.h" #include "hackerlab/fs/file-names.h" #include "hackerlab/fs/cwd.h" #include "hackerlab/vu/vu-dash.h" #include "libfsutils/tmp-files.h" #include "libfsutils/rmrf.h" #include "libfsutils/copy-file.h" #include "libfsutils/dir-as-cwd.h" #include "libarch/archive.h" #include "libarch/apply-changeset.h" #include "libarch/conflict-handling.h" #include "libarch/copy-project-tree.h" #include "libarch/inode-sig.h" #include "libarch/local-cache.h" #include "libarch/my.h" #include "libarch/namespace.h" #include "libarch/patch-logs.h" #include "libarch/project-tree.h" #include "libarch/proj-tree-lint.h" #include "libarch/chatter.h" #include "libarch/make-changeset.h" #include "libarch/changeset-report.h" #include "commands/cmd.h" #include "commands/cmdutils.h" #include "commands/replay.h" #include "commands/apply-delta.h" #include "commands/undo.h" #include "commands/redo.h" #include "commands/update.h" #include "commands/version.h" static t_uchar * usage = N_("[options] [version/revision]"); #define OPTS(OP) \ OP (opt_help_msg, "h", "help", 0, \ N_("Display a help message and exit.")) \ OP (opt_long_help, "H", 0, 0, \ N_("Display a verbose help message and exit.")) \ OP (opt_version, "V", "version", 0, \ N_("Display a release identifier string\n" \ "and exit.")) \ OP (opt_dir, "d", "dir DIR", 1, \ N_("Update project tree in DIR (default `.')")) \ OP (opt_dest, 0, "dest DEST", 1, \ N_("Instead of modifying the project tree in-place,\n" \ "make a copy of it to DEST and apply the result to that")) \ OP (opt_unescaped, 0, "unescaped", 0, \ N_("show filenames in unescaped form")) t_uchar arch_cmd_update_help[] = N_("update a project tree to reflect recent archived changes\n" "Update a project tree by getting the latest revision of VERSION (or the\n" "default version of the project tree) and then applying a patch set of\n" "the differences between the project tree and the highest revision with\n" "which it is up-to-date.\n" "\n" "If the merge involves conflicts, a warning message is printed, and the\n" "new project tree will contain \".rej\" files.\n"); enum options { OPTS (OPT_ENUM) }; static struct opt_desc opts[] = { OPTS (OPT_DESC) {-1, 0, 0, 0, 0} }; int arch_cmd_update (t_uchar * program_name, int argc, char * argv[]) { int o; struct opt_parsed * option; t_uchar * upon = 0; t_uchar * dest = 0; int exit_status = 0; int escape_classes = arch_escape_classes; safe_buffer_fd (1, 0, O_WRONLY, 0); option = 0; while (1) { o = opt_standard (lim_use_must_malloc, &option, opts, &argc, argv, program_name, usage, libarch_version_string, arch_cmd_update_help, opt_help_msg, opt_long_help, opt_version); if (o == opt_none) break; switch (o) { default: safe_printfmt (2, "unhandled option `%s'\n", option->opt_string); panic ("internal error parsing arguments"); usage_error: opt_usage (2, argv[0], program_name, usage, 1); exit (1); /* bogus_arg: */ safe_printfmt (2, "ill-formed argument for `%s' (`%s')\n", option->opt_string, option->arg_string); goto usage_error; case opt_dir: { lim_free (0, upon); upon = str_save (0, option->arg_string); break; } case opt_dest: { lim_free (0, dest); dest = str_save (0, option->arg_string); break; } case opt_unescaped: { escape_classes = 0; break; } } } if (argc > 2) goto usage_error; { arch_project_tree_t * upon_tree; t_uchar * rvsnspec = 0; t_uchar * version = 0; t_uchar * to_level = 0; t_uchar * package = 0; struct arch_archive * arch; t_uchar * upon_level = 0; rel_table archive_levels = 0; t_uchar * archive_level = 0; if (! upon) upon = str_save (0, "."); upon_tree = arch_project_tree_new (talloc_context, upon); if (!upon_tree->root) { safe_printfmt (2, "%s: dir not in a project tree (%s)\n", argv[0], upon); exit (1); } arch_tree_ensure_no_conflicts (upon_tree); if (argc > 1) rvsnspec = str_save (0, argv[1]); if (!rvsnspec) { rvsnspec = str_save(0, upon_tree->fqversion); if (!rvsnspec) { safe_printfmt (2, "%s: tree has no default version (%s)\n", argv[0], upon_tree->root); exit (1); } } arch_project_tree_check_name (upon_tree, &arch, &package, rvsnspec); if (!arch) { safe_printfmt (2, "Failed to connect to archive %s\n", rvsnspec); exit(1); } if (!arch_valid_package_name (package, arch_req_archive, arch_req_version, 1)) { safe_printfmt (2, "%s: illegal version name (%s)\n", argv[0], package); exit (1); } version = arch_parse_package_name (arch_ret_package_version, 0, package); upon_level = arch_highest_patch_level (upon_tree->root, arch->official_name, version); if (!upon_level) { safe_printfmt (2, "%s: tree has no common history with version\n tree: %s\n version: %s\n", argv[0], upon_tree->root, package); exit (1); } archive_levels = arch_archive_revisions (arch, version, 0); if (rel_n_records (archive_levels) == 0) { safe_printfmt (2, "%s: (WEIRD ERROR!) archive has no revisions for version (%s/%s)\n", argv[0], arch->official_name, version); exit (1); } if (dest) { safe_printfmt (1, "* copying %s to %s\n", upon_tree->root, dest); safe_flush (1); arch_copy_project_tree (upon_tree, dest, 1, 1); } else dest = str_save (0, upon_tree->root); if (arch_valid_package_name (package, arch_maybe_archive, arch_req_patch_level, 0)) { int x; to_level = arch_parse_package_name (arch_ret_patch_level, 0, package); for (x = 0; x < rel_n_records (archive_levels); ++x) if (!str_cmp (to_level, archive_levels[x][0])) break; if (x == rel_n_records (archive_levels)) { safe_printfmt (2, "%s: version (in archive) does not have level (%s/%s--%s)\n", argv[0], arch->official_name, version, to_level); exit (1); } } else { to_level = str_save (0, archive_levels[rel_n_records (archive_levels) - 1][0]); } if (!str_cmp (upon_level, to_level)) { safe_printfmt (1, "* tree is already up to date\n"); safe_flush (1); } else { t_uchar * ancestor_rev = 0; t_uchar * latest_rev = 0; t_uchar * local_ancestor = 0; t_uchar * local_latest = 0; t_uchar * local_changes_changeset; int use_replay_strategy = 1; int local_changes = 0; ancestor_rev = str_alloc_cat_many (0, version, "--", upon_level, str_end); latest_rev = str_alloc_cat_many (0, version, "--", to_level, str_end); local_ancestor = arch_find_local_copy (-1, upon_tree, 0, arch->official_name, ancestor_rev, "find-pristine"); local_latest = arch_find_local_copy (-1, upon_tree, 0, arch->official_name, latest_rev, "find-pristine"); if (local_ancestor && local_latest) use_replay_strategy = 0; if (use_replay_strategy) { enum arch_revision_type type; int x; /* are we sure we really can? */ for (x = 0; x < rel_n_records (archive_levels); ++x) if (!str_cmp (upon_level, archive_levels[x][0])) break; invariant (x < rel_n_records (archive_levels)); while (use_replay_strategy && (x < rel_n_records (archive_levels))) { t_uchar * this_rev = 0; arch_patch_id * this_patch; this_rev = str_alloc_cat_many (0, version, "--", archive_levels[x][0], str_end); this_patch = arch_patch_id_new_archive (arch->official_name, this_rev); arch_revision_type (&type, NULL , NULL, arch, this_patch); talloc_free (this_patch); if (type != arch_simple_revision) { use_replay_strategy = 0; break; } lim_free (0, this_rev); ++x; } } safe_printfmt (1, "* checking tree for local changes\n"); safe_flush (1); if ((local_changes_changeset = arch_any_local_changes (program_name, upon_tree))) { /* apply the changset in reverse */ struct arch_apply_changeset_report * apply_report; arch_chatter (1, _("* temporarily reverting local changes\n")); safe_flush (1); apply_report = arch_apply_changeset (local_changes_changeset, talloc_context, upon_tree, arch_unspecified_id_tagging, arch_inventory_unrecognized, 1, 0, escape_classes, NULL, NULL); local_changes = 1; talloc_free (apply_report); } safe_printfmt (1, "* updating for new patches in archive\n"); safe_flush (1); if (use_replay_strategy) { /* could be fancy here and binary search for local copies :-) */ arch_call_cmd (arch_cmd_replay, argv[0], "--new", "--dir", dest, version, (escape_classes == 0) ? "--unescaped" : 0, 0); } else { arch_project_tree_t * from_tree = arch_find_or_make_local_tree_copy (1, upon_tree, NULL, arch, arch->official_name, ancestor_rev); arch_project_tree_t * to_tree = arch_find_or_make_local_tree_copy (1, upon_tree, NULL, arch, arch->official_name, latest_rev); struct arch_make_changeset_report make_report = {0, }; assoc_table inode_shortcut = NULL; t_uchar * changeset; struct arch_apply_changeset_report * r; arch_read_inode_sig_ids (0, &inode_shortcut, to_tree->root, arch->official_name, ancestor_rev); changeset = talloc_tmp_file_name (talloc_context, ".", ",,delta"); rmrf_file (changeset); arch_make_changeset (&make_report, from_tree, to_tree, changeset, arch_unspecified_id_tagging, arch_inventory_unrecognized, 0, inode_shortcut, 0, 0); arch_free_make_changeset_report_data (&make_report); safe_printfmt (1, "* applying changeset\n"); r = arch_apply_changeset (changeset, changeset, upon_tree, arch_unspecified_id_tagging, arch_inventory_unrecognized, 0, 0, escape_classes, apply_print_callback, (void *)1); rmrf_file (changeset); free_assoc_table (inode_shortcut); arch_project_tree_delete (from_tree); arch_project_tree_delete (to_tree); talloc_free (changeset); } if (local_changes) { struct arch_apply_changeset_report * apply_report; safe_printfmt (1, "* reapplying local changes\n"); safe_flush (1); apply_report = arch_apply_changeset (local_changes_changeset, talloc_context, upon_tree, arch_unspecified_id_tagging, arch_inventory_unrecognized, 0, 0, escape_classes, NULL, NULL); rmrf_file (local_changes_changeset); lim_free (0, local_changes_changeset); talloc_free (apply_report); } lim_free (0, ancestor_rev); lim_free (0, latest_rev); } arch_project_tree_delete (upon_tree); lim_free (0, rvsnspec); lim_free (0, version); lim_free (0, to_level); arch_archive_close (arch); lim_free (0, upon_level); rel_free_table (archive_levels); lim_free (0, archive_level); lim_free (0, package); } lim_free (0, upon); lim_free (0, dest); if (exit_status) { safe_printfmt (2, "\nupdate: conflicts occurred during update\n"); } return exit_status; } /* tag: Tom Lord Wed Jun 4 22:39:12 2003 (cmd-update.c) */