updated signbin.sh

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/signbin.sh

@@ -1,8 +1,5 @@
 #!/bin/bash
 
-#immediately exit script with an error if a command fails
-set -euo pipefail
-
 FILENAME=$1
 USERNAME=$2
 PASSWORD=$3
@@ -12,9 +9,24 @@ FILEPATH=$(dirname $0)/$FILENAME
 # Make sure *.p12 is imported into local KeyChain
 security unlock-keychain -p ${PASSWORD} /Users/${USERNAME}/Library/Keychains/login.keychain
 
-echo "signing ${FILEPATH}"
-codesign -v --deep --force -s "${CODESIGN_STRING}" ${FILEPATH}
-echo "signing is done"
-echo "check sign"
-codesign -v ${FILEPATH} -vvvvv
-echo "check sign done"
+attemp=1
+limit=3
+while [ $attemp -le $limit ]
+do
+  echo "signing (attemp $attemp) ${FILEPATH}"
+  codesign -v --deep --force -s "${CODESIGN_STRING}" ${FILEPATH}
+  echo "signing done"
+  codesign -v ${FILEPATH} -vvvvv
+  echo "check sign done"
+  if [ "$?" != "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