fix: keep files during updates

include/database.h

@@ -15,13 +15,15 @@ enum lm_query_index {
   QUERY_SELECT_ENTRY_SINGLE_2 = 3,
   QUERY_DELETE_ENTRY_SINGLE   = 4,
   QUERY_SELECT_ENTRY_ALL      = 5,
-  QUERY_CREATE_FILE_TABLE     = 6,
+
-  QUERY_INSERT_FILE_SINGLE    = 7,
+  QUERY_CREATE_FILE_TABLE  = 6,
-  QUERY_DELETE_FILE_ALL       = 8,
+  QUERY_INSERT_FILE_SINGLE = 7,
-  QUERY_SELECT_FILE_SINGLE    = 9,
+  QUERY_DELETE_FILE_ALL    = 8,
-  QUERY_SELECT_FILE_ALL       = 10,
+  QUERY_DELETE_FILE_SINGLE = 9,
-  QUERY_UPDATE_FILE_1         = 11,
+  QUERY_SELECT_FILE_ALL    = 10,
-  QUERY_UPDATE_FILE_2         = 12,
+  QUERY_SELECT_FILE_SINGLE = 11,
+  QUERY_UPDATE_FILE_1      = 12,
+  QUERY_UPDATE_FILE_2      = 13,
 };
 
 enum lm_columns {
@@ -78,6 +80,7 @@ bool lm_database_files_next(
 bool lm_database_files_add(
     lm_database_t *db, lm_entry_t *entry, char *path, char *hash); // adds a file to the files database
 bool lm_database_files_del(lm_database_t *db, lm_entry_t *entry);  // dels all files of belonging to a entry
+bool lm_database_files_del_single(lm_database_t *db, char *path);
 void lm_database_files_next_free(lm_database_t *db, lm_entry_t *entry, char **path, char **hash,
     bool *keep); // frees resources used for lm_database_files_next
 

src/ctx/install.c

@@ -141,6 +141,11 @@ bool __lm_ctx_extract_files(lm_ctx_t *ctx, lm_pkg_t *pkg, char *files, lm_ctx_in
       continue;
     }
 
+    if(exists(entry_path) && lm_database_files_iskeep(ctx->db, entry_path)){
+      pdebug(__func__, "not extracting %s, file is set as KEEP", entry_path);
+      continue;
+    }
+
     rc = archive_write_header(writer, entry);
     if (rc != ARCHIVE_OK) {
       lm_error_set(LM_ERR_ArcWHeaderFail);
@@ -215,6 +220,8 @@ bool lm_ctx_install(lm_ctx_t *ctx, lm_pkg_t *pkg, bool run_install, lm_ctx_insta
     lm_error_set(LM_ERR_PkgPathsEmpty);
     return false;
   }
+    
+  lm_ctx_temp_clear(ctx);
 
   if(!extract_archive(ctx->temp, pkg->archive))
     return false; // error set by function
@@ -290,6 +297,8 @@ bool lm_ctx_install(lm_ctx_t *ctx, lm_pkg_t *pkg, bool run_install, lm_ctx_insta
 
     pdebug(__func__, "(%lu) %s => %s", line_len, file, hash);
 
+    lm_database_files_del_single(ctx->db, file);
+
     if(!lm_database_files_add(ctx->db, &pkg->data, file, hash)){
       char *suberr = lm_strerror_dup();
       pdebug(__func__, "failed to add file to the database for %s: %s", pkg->data.name, suberr);

src/ctx/remove.c

@@ -3,10 +3,10 @@
 #include "../../include/util.h"
 #include "../../include/ctx.h"
 
-#include <errno.h>
 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 
 bool lm_ctx_removeable(lm_ctx_t *ctx, lm_entry_t *entry){
   if(NULL == ctx && NULL == entry){

src/ctx/sync.c

@@ -99,6 +99,7 @@ size_t lm_ctx_sync(lm_ctx_t *ctx, bool do_update, lm_ctx_sync_callback_t callbac
       goto next_list;
     }
 
+    lm_ctx_temp_clear(ctx);
     tempdir = lm_ctx_temp_dir(ctx, "list_extracted");
 
     if(!do_update && !lm_pool_list_load(cur, tempdir)){

src/database/database.c

@@ -43,13 +43,16 @@ char *queries[] = {
   "INSERT INTO files VALUES (?, ?, ?, ?)",
 
   // QUERY_DELETE_FILE_ALL
-  "DELETE FROM files WHERE package = ?",
+  "DELETE FROM files WHERE package = ? AND keep = 1",
   
-  // QUERY_SELECT_FILE_SINGLE
+  // QUERY_DELETE_FILE_SINGLE
-  "SELECT * FROM files WHERE path = ?",
+  "DELETE FROM files WHERE path = ?",
   
   // QUERY_SELECT_FILE_ALL 
   "SELECT * FROM files WHERE package = ?",
+  
+  // QUERY_SELECT_FILE_SINGLE
+  "SELECT * FROM files WHERE path = ?",
 
   // QUERY_UPDATE_FILE_1
   "UPDATE files SET keep = 1 WHERE path = ?",

src/database/files.c

@@ -207,6 +207,37 @@ end:
   return ret;
 }
 
+bool lm_database_files_del_single(lm_database_t *db, char *path){
+  if(NULL == db || NULL == path){
+    lm_error_set(LM_ERR_ArgNULL);
+    return false;
+  }
+
+  bool ret = false;
+
+  if(sqlite3_prepare(db->files_db, queries[QUERY_DELETE_FILE_SINGLE], strlen(queries[QUERY_DELETE_FILE_SINGLE]), &db->files_st, NULL) != SQLITE_OK){
+    pdebug(__func__, "failed to prepare statement for deleting %s: %s", path, sqlite3_errmsg(db->files_db));
+    lm_error_set(LM_ERR_DbSqlPrepareFail);
+    goto end;
+  }
+
+  sqlite3_bind_text(db->files_st, 1, path, strlen(path), SQLITE_STATIC);
+
+  if(!lm_database_step_all(db->files_st)){
+    pdebug(__func__, "failed to execute delete statement for deleting %s: %s", path, sqlite3_errmsg(db->files_db));
+    lm_error_set(LM_ERR_DbSqlDeleteFail);
+    goto end;
+  }
+
+  ret = true;
+end:
+  if(NULL != db->files_st){
+    sqlite3_finalize(db->files_st);
+    db->files_st = NULL;
+  }
+  return ret;
+}
+
 bool lm_database_files_next(lm_database_t *db, lm_entry_t *entry, char **path, char **hash, bool *keep){
   if(NULL == db || NULL == entry || NULL == path || NULL == hash || NULL == keep){
     lm_error_set(LM_ERR_ArgNULL);