Create build targets for the sqlite library and shell from the amalga…

…mation.

PiperOrigin-RevId: 492972155

src/frontends/sqlite/sqlite_fork/BUILD

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+#-------------------------------------------------------------------------------
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#-------------------------------------------------------------------------------
+
+# This directory contains a fork of the sqlite amalgamation which we have
+# modified to build a frotnend for sqlite for Raksha. It is likely that in the
+# future we will attempt to delete this and replace the changes here with define
+# guards in the internal fork of sqlite.
+
+package(
+    default_visibility = ["//src:__subpackages__"],
+    licenses = ["notice"],
+)
+
+cc_library(
+    name = "raksha_sqlite_lib",
+    srcs = ["sqlite3_github.c"],
+    hdrs = ["sqlite3.h"],
+)
+
+# TODO(aferr) This build target should be deprecated once
+# we can properly test calling the SELECT snoop function calls.
+# It exists temporarily to demo snooping on selects when running the shell.
+cc_binary(
+    name = "raksha_sqlite_cmd",
+    srcs = [
+        "shell_github.c",
+    ],
+    copts = [
+        "-DHAVE_READLINE=1",
+    ],
+    linkopts = ["-ldl"],
+    deps = [
+        ":raksha_sqlite_lib",
+        "//third_party/libedit:pretend_to_be_gnu_readline_system",
+    ],
+)

src/frontends/sqlite/sqlite_fork/README.md

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+This directory contains a fork of the sqlite amalgamation which we have 
+modified to build a frotnend for sqlite for Raksha. It is likely that in the 
+future we will attempt to delete this and replace the changes here with define 
+guards in the internal fork of sqlite.