Define additional symlinks and dirs for recovery partition
To match that of the make generated recovery partition.
Test: mount Soong generated recovery partition and compare with TARGET_RECOVERY_ROOT_OUT
Bug: 381888358
Change-Id: I39822027088895525ef473ad9797f410d45ec7cd
diff --git a/fsgen/config.go b/fsgen/config.go
new file mode 100644
index 0000000..31f721b
--- /dev/null
+++ b/fsgen/config.go
@@ -0,0 +1,142 @@
+// Copyright (C) 2024 The Android Open Source Project
+//
+// 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.
+
+package fsgen
+
+import (
+ "android/soong/filesystem"
+
+ "github.com/google/blueprint/proptools"
+)
+
+var (
+ // Most of the symlinks and directories listed here originate from create_root_structure.mk,
+ // but the handwritten generic system image also recreates them:
+ // https://cs.android.com/android/platform/superproject/main/+/main:build/make/target/product/generic/Android.bp;l=33;drc=db08311f1b6ef6cb0a4fbcc6263b89849360ce04
+ // TODO(b/377734331): only generate the symlinks if the relevant partitions exist
+ commonSymlinksFromRoot = []filesystem.SymlinkDefinition{
+ {
+ Target: proptools.StringPtr("/system/bin/init"),
+ Name: proptools.StringPtr("init"),
+ },
+ {
+ Target: proptools.StringPtr("/system/etc"),
+ Name: proptools.StringPtr("etc"),
+ },
+ {
+ Target: proptools.StringPtr("/system/bin"),
+ Name: proptools.StringPtr("bin"),
+ },
+ {
+ Target: proptools.StringPtr("/data/user_de/0/com.android.shell/files/bugreports"),
+ Name: proptools.StringPtr("bugreports"),
+ },
+ {
+ Target: proptools.StringPtr("/sys/kernel/debug"),
+ Name: proptools.StringPtr("d"),
+ },
+ {
+ Target: proptools.StringPtr("/product/etc/security/adb_keys"),
+ Name: proptools.StringPtr("adb_keys"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/app"),
+ Name: proptools.StringPtr("odm/app"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/bin"),
+ Name: proptools.StringPtr("odm/bin"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/etc"),
+ Name: proptools.StringPtr("odm/etc"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/firmware"),
+ Name: proptools.StringPtr("odm/firmware"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/framework"),
+ Name: proptools.StringPtr("odm/framework"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/lib"),
+ Name: proptools.StringPtr("odm/lib"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/lib64"),
+ Name: proptools.StringPtr("odm/lib64"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/overlay"),
+ Name: proptools.StringPtr("odm/overlay"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/priv-app"),
+ Name: proptools.StringPtr("odm/priv-app"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/odm/usr"),
+ Name: proptools.StringPtr("odm/usr"),
+ },
+ // For Treble Generic System Image (GSI), system-as-root GSI needs to work on
+ // both devices with and without /odm_dlkm partition. Those symlinks are for
+ // devices without /odm_dlkm partition. For devices with /odm_dlkm
+ // partition, mount odm_dlkm.img under /odm_dlkm will hide those symlinks.
+ // Note that /odm_dlkm/lib is omitted because odm DLKMs should be accessed
+ // via /odm/lib/modules directly. All of this also applies to the vendor_dlkm symlink
+ {
+ Target: proptools.StringPtr("/odm/odm_dlkm/etc"),
+ Name: proptools.StringPtr("odm_dlkm/etc"),
+ },
+ {
+ Target: proptools.StringPtr("/vendor/vendor_dlkm/etc"),
+ Name: proptools.StringPtr("vendor_dlkm/etc"),
+ },
+ }
+
+ // Common directories between partitions that may be listed as `Dirs` property in the
+ // filesystem module.
+ commonPartitionDirs = []string{
+ // From generic_rootdirs in build/make/target/product/generic/Android.bp
+ "acct",
+ "apex",
+ "bootstrap-apex",
+ "config",
+ "data",
+ "data_mirror",
+ "debug_ramdisk",
+ "dev",
+ "linkerconfig",
+ "metadata",
+ "mnt",
+ "odm",
+ "odm_dlkm",
+ "oem",
+ "postinstall",
+ "proc",
+ "second_stage_resources",
+ "storage",
+ "sys",
+ "system",
+ "system_dlkm",
+ "tmp",
+ "vendor",
+ "vendor_dlkm",
+
+ // from android_rootdirs in build/make/target/product/generic/Android.bp
+ "system_ext",
+ "product",
+ }
+)