IDEA-171989 Signing of IDEA Mac OS application sometimes fail with "A timestamp was expected but was not found" error

platform/build-scripts/tools/mac/scripts/signapp.sh

@@ -1,8 +1,5 @@
 #!/bin/bash
 
-#immediately exit script with an error if a command fails
-set -euo pipefail
-
 export COPY_EXTENDED_ATTRIBUTES_DISABLE=true
 export COPYFILE_DISABLE=true
 EXPLODED=$2.exploded
@@ -70,12 +67,27 @@ shopt -u nullglob
 # Make sure *.p12 is imported into local KeyChain
 security unlock-keychain -p ${PASSWORD} /Users/${USERNAME}/Library/Keychains/login.keychain
 
-echo "signing ${EXPLODED}/$BUILD_NAME"
-codesign -v --deep --force -s "${CODESIGN_STRING}" ${EXPLODED}/"$BUILD_NAME"
-echo "signing is done"
-echo "check sign"
-codesign -v ${EXPLODED}/"$BUILD_NAME" -vvvvv
-echo "check sign done"
+attemp=1
+limit=3
+while [ $attemp -le $limit ]
+do
+  echo "signing (attemp $attemp) ${EXPLODED}/$BUILD_NAME"
+  codesign -v --deep --force -s "${CODESIGN_STRING}" ${EXPLODED}/"$BUILD_NAME"
+  echo "signing done"
+  codesign -v ${EXPLODED}/"$BUILD_NAME" -vvvvv
+  echo "check sign done"
+  if [ "$?" != "0" ]; then
+    let "attemp += 1"
+    if [ $attemp -eq $limit ]; then
+      #immediately exit script with an error if a command fails
+      set -euo pipefail
+    fi
+    echo "wait for 30 sec and try to sign again"
+    sleep 30;
+  else
+    let "attemp += $limit"
+  fi
+done
 
 echo "Zipping ${BUILD_NAME} to $1.sit..."
 cd ${EXPLODED}