Generate revision.txt file containing unique ID.
Bug: 137977523
Test: manual
Change-Id: Ib1fbf6a4305bd843ace203e3f62a511fbdb168a1
diff --git a/build_kzip.bash b/build_kzip.bash
index 5364e7f..22ff504 100755
--- a/build_kzip.bash
+++ b/build_kzip.bash
@@ -3,13 +3,13 @@
# Build kzip files (source files for the indexing pipeline) for the given configuration,
# merge them and place the resulting all.kzip into $DIST_DIR.
# It is assumed that the current directory is the top of the source tree.
-# The following enviromnet variables affect the result:
-# TARGET_PRODUCT target device name, e.g., `aosp_blueline`
+# The following environment variables affect the result:
+# TARGET_PRODUCT target device name, e.g., 'aosp_blueline'
# TARGET_BUILD_VARIANT variant, e.g., `userdebug`
# OUT_DIR where the build is happening (./out if not specified)
# DIST_DIR where the resulting all.kzip will be placed
-# XREF_CORPUS source code repository URI, e.g.,
-# `android.googlesource.com/platform/superproject`
+# XREF_CORPUS source code repository URI, e.g., 'android.googlesource.com/platform/superproject'
+# BUILD_NUMBER build number, used to generate unique ID (will use UUID if not set)
# The extraction might fail for some source files, so run with -k
build/soong/soong_ui.bash --build-mode --all-modules --dir=$PWD -k merge_zips xref_cxx xref_java
@@ -23,3 +23,4 @@
# TODO(asmundak): this should be done by soong.
declare -r allkzip=all.kzip
"${OUT_DIR:-out}/soong/host/linux-x86/bin/merge_zips" "$DIST_DIR/$allkzip" @<(find $OUT_DIR -name '*.kzip')
+echo "${BUILD_NUMBER:-$(uuidgen)}" >"$DIST_DIR/revision.txt"