static alpm_depmissing_t *depmiss_new(const char *target, alpm_depend_t *dep, const char *causingpkg) { alpm_depmissing_t *miss; CALLOC(miss, 1, sizeof(alpm_depmissing_t), return NULL); STRDUP(miss->target, target, goto error); miss->depend = _alpm_dep_dup(dep); STRDUP(miss->causingpkg, causingpkg, goto error); return miss; error: alpm_depmissing_free(miss); return NULL; }
/** * @brief Remove a specified list of packages. * * @param targets a list of packages (as strings) to remove from the system * * @return 0 on success, 1 on failure */ int pacman_remove(alpm_list_t *targets) { int retval = 0; alpm_list_t *i, *data = NULL; if(targets == NULL) { pm_printf(ALPM_LOG_ERROR, _("no targets specified (use -h for help)\n")); return 1; } /* Step 0: create a new transaction */ if(trans_init(config->flags, 0) == -1) { return 1; } /* Step 1: add targets to the created transaction */ for(i = targets; i; i = alpm_list_next(i)) { char *target = i->data; if(strncmp(target, "local/", 6) == 0) { target += 6; } if(remove_target(target) == -1) { retval = 1; } } if(retval == 1) { goto cleanup; } /* Step 2: prepare the transaction based on its type, targets and flags */ if(alpm_trans_prepare(config->handle, &data) == -1) { alpm_errno_t err = alpm_errno(config->handle); pm_printf(ALPM_LOG_ERROR, _("failed to prepare transaction (%s)\n"), alpm_strerror(err)); switch(err) { case ALPM_ERR_UNSATISFIED_DEPS: for(i = data; i; i = alpm_list_next(i)) { alpm_depmissing_t *miss = i->data; char *depstring = alpm_dep_compute_string(miss->depend); colon_printf(_("%s: requires %s\n"), miss->target, depstring); free(depstring); alpm_depmissing_free(miss); } break; default: break; } alpm_list_free(data); retval = 1; goto cleanup; } /* Search for holdpkg in target list */ int holdpkg = 0; for(i = alpm_trans_get_remove(config->handle); i; i = alpm_list_next(i)) { alpm_pkg_t *pkg = i->data; if(alpm_list_find(config->holdpkg, alpm_pkg_get_name(pkg), fnmatch_cmp)) { pm_printf(ALPM_LOG_WARNING, _("%s is designated as a HoldPkg.\n"), alpm_pkg_get_name(pkg)); holdpkg = 1; } } if(holdpkg && (noyes(_("HoldPkg was found in target list. Do you want to continue?")) == 0)) { retval = 1; goto cleanup; } /* Step 3: actually perform the removal */ alpm_list_t *pkglist = alpm_trans_get_remove(config->handle); if(pkglist == NULL) { printf(_(" there is nothing to do\n")); goto cleanup; /* we are done */ } if(config->print) { print_packages(pkglist); goto cleanup; } /* print targets and ask user confirmation */ display_targets(); printf("\n"); if(yesno(_("Do you want to remove these packages?")) == 0) { retval = 1; goto cleanup; } if(alpm_trans_commit(config->handle, &data) == -1) { pm_printf(ALPM_LOG_ERROR, _("failed to commit transaction (%s)\n"), alpm_strerror(alpm_errno(config->handle))); retval = 1; } FREELIST(data); /* Step 4: release transaction resources */ cleanup: if(trans_release() == -1) { retval = 1; } return retval; }