update_clamav-unofficial-sigs.sh: Set up the script so that it can resume if cloning the Git repository fails.

update_clamav-unofficial-sigs.sh

@@ -678,8 +678,25 @@ if [[ -d "/tmp/clamav-unofficial-sigs" ]]; then
 fi
 git clone https://github.com/extremeshok/clamav-unofficial-sigs.git /tmp/clamav-unofficial-sigs > $log_file 2>&1
 if [[ "$?" -ne 0 ]] ; then
-   installation_failed=true
    error "$(cat $log_file)"
+   echo ""
+   echo "             Command was:"
+   echo "             git clone https://github.com/extremeshok/clamav-unofficial-sigs.git /tmp/clamav-unofficial-sigs"
+   echo ""
+   echo "             Not recomend, but you can try:"
+   echo "             GIT_SSL_NO_VERIFY=true git clone ..."
+   echo ""
+   installation_failed=true
+
+   echononl "continue anyway [yes/no]: "
+   read OK
+   OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+   while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+      echononl "Wrong entry! - repeat [yes/nno]: "
+      read OK
+   done
+   [[ $OK = "yes" ]] || fatal "Abbruch durch User"
+
 fi
 if ! $installation_failed ; then
    echo_ok