117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
#include "../../include/error.h"
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#include "../../include/pool.h"
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#include "../../include/util.h"
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#include "../../include/ctx.h"
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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bool lm_ctx_removeable(lm_ctx_t *ctx, lm_entry_t *entry){
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if(NULL == ctx && NULL == entry){
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lm_error_set(LM_ERR_ArgNULL);
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return false;
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}
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if(!lm_ctx_database_is_installed(ctx, entry->name, entry->version)){
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lm_error_set(LM_ERR_PkgNotInstalled);
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return false;
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}
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if(!lm_ctx_database_init(ctx))
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return false;
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lm_entry_t cur;
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while (lm_database_entry_next(ctx->db, &cur)) {
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if(lm_package_data_depends(&cur, entry->name)){
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lm_error_set(LM_ERR_PkgBreaks, cur.name);
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lm_database_entry_next_free(ctx->db, &cur);
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return false;
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}
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}
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lm_database_entry_next_free(ctx->db, &cur);
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return true;
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}
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bool lm_ctx_remove(lm_ctx_t *ctx, lm_entry_t *entry, lm_ctx_remove_callback_t callback, void *data){
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if(NULL == ctx && NULL == entry){
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lm_error_set(LM_ERR_ArgNULL);
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return false;
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}
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if(NULL == ctx->root){
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lm_error_set(LM_ERR_CtxRootNULL);
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return false;
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}
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if(!lm_ctx_database_init(ctx))
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return false;
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char *path = NULL, *hash = NULL, *fpath = NULL;
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bool in_keep = false, ret = false;
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size_t total = 0, current = 0;
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total = lm_database_files_count(ctx->db, entry);
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pdebug(__func__, "removing %lu files", total);
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while(lm_database_files_next(ctx->db, entry, &path, &hash, &in_keep)){
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if(in_keep){
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pdebug(__func__, "not removing file because it is set as keep: %s", path);
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goto next;
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}
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fpath = join_alloc(ctx->root, path);
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pdebug(__func__, "removing file %s (%s)", fpath, hash);
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if(!exists(fpath, NULL)){
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pdebug(__func__, "found file in database, but its not on the file system: %s", fpath);
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goto next;
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}
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if(unlink(fpath) < 0){
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pdebug(__func__, "failed to delete file for removing %s: %s", entry->name, strerror(errno));
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lm_error_set(LM_ERR_PkgFileUnlinkFail, path, strerror(errno));
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goto next;
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}
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next:
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free(fpath);
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fpath = NULL;
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if(NULL != callback && !callback(ctx, entry, fpath, ++current, total, data))
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goto end;
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}
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if(!lm_database_entry_del(ctx->db, entry)){
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char *suberr = lm_strerror_dup();
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pdebug(__func__, "failed to delete %s from the database: %s", entry->name, lm_strerror());
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lm_error_set(LM_ERR_PkgDatabaseDelFail, suberr);
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free(suberr);
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goto end;
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}
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if(!lm_database_files_del(ctx->db, entry)){
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char *suberr = lm_strerror_dup();
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pdebug(__func__, "failed to delete files of %s from the database: %s", entry->name, suberr);
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lm_error_set(LM_ERR_PkgFilesDelFail, suberr);
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free(suberr);
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goto end;
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}
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if(!lm_database_changes_del(ctx->db, entry)){
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char *suberr = lm_strerror_dup();
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pdebug(__func__, "failed to delete changes file for %s: %s", entry->name, suberr);
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lm_error_set(LM_ERR_PkgChangesDelFail, suberr);
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goto end;
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}
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ret = true;
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end:
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lm_database_files_next_free(ctx->db, entry, &path, &hash, &in_keep);
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return ret;
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}
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