From e8cd528b42ffe794e6406bc8136ce293723ef85d Mon Sep 17 00:00:00 2001
From: Sutou Kouhei <kou@clear-code.com>
Date: Sun, 30 Jun 2019 15:53:49 +0900
Subject: [PATCH] [Release][Upload] Skip already uploaded file

---
 dev/release/03-binary.sh | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/dev/release/03-binary.sh b/dev/release/03-binary.sh
index 74602cda749..f3f418ca641 100755
--- a/dev/release/03-binary.sh
+++ b/dev/release/03-binary.sh
@@ -73,6 +73,8 @@ fi
 : ${BINTRAY_REPOSITORY:=apache/arrow}
 : ${SOURCE_BINTRAY_REPOSITORY:=${BINTRAY_REPOSITORY}}
 
+BINTRAY_DOWNLOAD_URL_BASE=https://dl.bintray.com
+
 docker_run() {
   docker \
     run \
@@ -194,7 +196,7 @@ download_files() {
       --fail \
       --location \
       --output ${file} \
-      https://dl.bintray.com/${SOURCE_BINTRAY_REPOSITORY}/${file} &
+      ${BINTRAY_DOWNLOAD_URL_BASE}/${SOURCE_BINTRAY_REPOSITORY}/${file} &
   done
 }
 
@@ -244,6 +246,16 @@ sign_and_upload_file() {
   local local_path=$4
   local upload_path=$5
 
+  local sha256=$(shasum -a 256 ${local_path} | awk '{print $1}')
+  local download_path=/${BINTRAY_REPOSITORY}/${target}-rc/${upload_path}
+  if curl \
+       --fail \
+       --head \
+       ${BINTRAY_DOWNLOAD_URL_BASE}${download_path} | \
+         grep -q "^X-Checksum-Sha2: ${sha256}"; then
+    return 0
+  fi
+
   upload_file ${version} ${rc} ${target} ${local_path} ${upload_path}
 
   local suffix=