refactoring installing ba*bash*ka

infrastructure/backup/image/resources/install.sh

@@ -8,9 +8,8 @@ function babashka_install() {
     curl -SsLo /tmp/checksum https://github.com/babashka/babashka/releases/download/v${babashka_version}/babashka-${babashka_version}-linux-amd64.tar.gz.sha256
     echo "  /tmp/babashka-$babashka_version-linux-amd64.tar.gz"|tee -a /tmp/checksum
     sha256sum -c --status /tmp/checksum
-    tar -C /usr/local/bin -xf /tmp/babashka-${babashka_version}-linux-amd64.tar.gz
-    chown root /usr/local/bin/bb
-    chgrp root /usr/local/bin/bb
+    tar -C /tmp -xzf /tmp/babashka-${babashka_version}-linux-amd64.tar.gz 
+    install -m 0700 -o root -g root /tmp/bb /usr/local/bin/
 }
 
 function main() {