Add migration commands for SQLite; not PGSql

cmake/scripts/cppbessotDbActionSqlApply.cmake

@@ -0,0 +1,78 @@
+cmake_minimum_required(VERSION 3.16)
+
+function(cppbessot_db_action_reset_sqlite_db sqlite_path)
+  if(EXISTS "${sqlite_path}")
+    file(REMOVE "${sqlite_path}")
+  endif()
+
+  get_filename_component(_sqlite_parent "${sqlite_path}" DIRECTORY)
+  if(NOT "${_sqlite_parent}" STREQUAL "")
+    file(MAKE_DIRECTORY "${_sqlite_parent}")
+  endif()
+endfunction()
+
+function(cppbessot_db_action_apply_sqlite_files sqlite_path)
+  set(_sql_files "${ARGN}")
+  if(NOT _sql_files)
+    return()
+  endif()
+
+  cppbessot_db_action_find_program_or_fail(_sqlite3 sqlite3
+    "SQLite live actions require the `sqlite3` CLI to be available in PATH.")
+
+  foreach(_sql_file IN LISTS _sql_files)
+    string(REPLACE "\"" "\\\"" _sqlite_read_file "${_sql_file}")
+    execute_process(
+      COMMAND "${_sqlite3}" "${sqlite_path}" ".read \"${_sqlite_read_file}\""
+      RESULT_VARIABLE _result
+      OUTPUT_VARIABLE _stdout
+      ERROR_VARIABLE _stderr
+    )
+
+    if(NOT _result EQUAL 0)
+      message(FATAL_ERROR
+        "SQLite SQL apply failed for `${_sql_file}` against `${sqlite_path}`.\n${_stdout}\n${_stderr}")
+    endif()
+  endforeach()
+endfunction()
+
+function(cppbessot_db_action_reset_pgsql_schema pgsql_connstr)
+  cppbessot_db_action_find_program_or_fail(_psql psql
+    "PostgreSQL live actions require `psql` to be available in PATH.")
+  execute_process(
+    COMMAND "${_psql}" "${pgsql_connstr}" -v ON_ERROR_STOP=1
+            -c "DROP SCHEMA IF EXISTS public CASCADE; CREATE SCHEMA public;"
+    RESULT_VARIABLE _result
+    OUTPUT_VARIABLE _stdout
+    ERROR_VARIABLE _stderr
+  )
+
+  if(NOT _result EQUAL 0)
+    message(FATAL_ERROR
+      "PostgreSQL schema reset failed.\n${_stdout}\n${_stderr}")
+  endif()
+endfunction()
+
+function(cppbessot_db_action_apply_pgsql_files pgsql_connstr)
+  set(_sql_files "${ARGN}")
+  if(NOT _sql_files)
+    return()
+  endif()
+
+  cppbessot_db_action_find_program_or_fail(_psql psql
+    "PostgreSQL live actions require `psql` to be available in PATH.")
+
+  foreach(_sql_file IN LISTS _sql_files)
+    execute_process(
+      COMMAND "${_psql}" "${pgsql_connstr}" -v ON_ERROR_STOP=1 -f "${_sql_file}"
+      RESULT_VARIABLE _result
+      OUTPUT_VARIABLE _stdout
+      ERROR_VARIABLE _stderr
+    )
+
+    if(NOT _result EQUAL 0)
+      message(FATAL_ERROR
+        "PostgreSQL SQL apply failed for `${_sql_file}`.\n${_stdout}\n${_stderr}")
+    endif()
+  endforeach()
+endfunction()