From 29161df446a8f01b1b277fd21c1f3c487b208afa Mon Sep 17 00:00:00 2001
From: Brian Egizi <begizi@google.com>
Date: Wed, 5 May 2021 23:04:34 +0000
Subject: [PATCH] Prepare kzip script to support superproject sha as an
 environment variable

Bug: b/149248752
Change-Id: I17a640c66c8f4a37cc0c55b2d0a23d438c032974
---
 build_kzip.bash | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/build_kzip.bash b/build_kzip.bash
index a4659d4c8..a09335ee0 100755
--- a/build_kzip.bash
+++ b/build_kzip.bash
@@ -5,6 +5,7 @@
 # It is assumed that the current directory is the top of the source tree.
 # The following environment variables affect the result:
 #   BUILD_NUMBER          build number, used to generate unique ID (will use UUID if not set)
+#   SUPERPROJECT_SHA      superproject sha, used to generate unique id (will use BUILD_NUMBER if not set)
 #   DIST_DIR              where the resulting all.kzip will be placed
 #   KYTHE_KZIP_ENCODING   proto or json (proto is default)
 #   KYTHE_JAVA_SOURCE_BATCH_SIZE maximum number of the Java source files in a compilation unit
@@ -14,6 +15,7 @@
 #   XREF_CORPUS           source code repository URI, e.g., 'android.googlesource.com/platform/superproject'
 
 : ${BUILD_NUMBER:=$(uuidgen)}
+: ${SUPERPROJECT_SHA:=$BUILD_NUMBER}
 : ${KYTHE_JAVA_SOURCE_BATCH_SIZE:=500}
 : ${KYTHE_KZIP_ENCODING:=proto}
 : ${XREF_CORPUS:?should be set}
@@ -48,6 +50,6 @@ declare -r kzip_count=$(find "$out" -name '*.kzip' | wc -l)
 
 # Pack
 # TODO(asmundak): this should be done by soong.
-declare -r allkzip="$BUILD_NUMBER.kzip"
+declare -r allkzip="$SUPERPROJECT_SHA.kzip"
 "$out/soong/host/linux-x86/bin/merge_zips" "$DIST_DIR/$allkzip" @<(find "$out" -name '*.kzip')