update upgrade.sh

Author: yungwine

mytonctrl/scripts/upgrade.sh

@@ -13,6 +13,7 @@ repo="ton"
 branch="master"
 srcdir="/usr/src/"
 bindir="/usr/bin/"
+tmpdir="/tmp/ton_src/"
 
 # Get arguments
 while getopts a:r:b: flag
@@ -59,13 +60,18 @@ else
   opensslPath=${bindir}/openssl_3
 fi
 
+rm -rf ${tmpdir}/${repo}
+mkdir -p ${tmpdir}/${repo}
+cd ${tmpdir}/${repo}
+echo "https://github.com/${author}/${repo}.git -> ${branch}"
+git clone --recursive https://github.com/${author}/${repo}.git . || exit 1
+
 # Go to work dir
 cd ${srcdir}/${repo}
 ls -A1 | xargs rm -rf
 
 # Update code
-echo "https://github.com/${author}/${repo}.git -> ${branch}"
-git clone --recursive https://github.com/${author}/${repo}.git .
+cp -rfT ${tmpdir}/${repo} .
 git checkout ${branch}
 
 git submodule sync --recursive