refactoring changes from sequpgrade (endReturn, ...) and some modernizations

seqs/synapse-admin.sh

@@ -40,7 +40,7 @@ step_1_info() { echo "Status"; }
 step_1_alias() { echo "status"; }
 step_1() {
   getVersions
-  if [[ -z "${versionNow}" ]] ; then 
+  if [[ -z "${versionNow}" ]] ; then
     info "Version ${versionNew} available to install"
   elif [[ ${versionNew} == ${versionNow} ]] ; then
     color green
@@ -57,7 +57,7 @@ step_10() {
   local loBackup="${sc_synadmLoc}.bu"
   local loTemp="/tmp/${toolName}.tar.gz"
 
-  # get download URL 
+  # get download URL
   getVersions
 
   if [[ -e "${sc_synadmLoc}" ]]; then
@@ -69,7 +69,7 @@ step_10() {
     exe mv "${loBackup}" "${sc_synadmLoc}" 2>/dev/null
   else
     exe tar -xf "${loTemp}" -C "$(dirname -- "${sc_synadmLoc}")"
-    endReturn -o $? "Extraction failed"
+    endReturn "Extraction failed"
     exe mv "$(dirname -- "${sc_synadmLoc}")/${toolName}-${versionNew}" "${sc_synadmLoc}"
     exe chown -R root: "${sc_synadmLoc}"
     info "Downloaded to ${sc_synadmLoc}"
@@ -90,7 +90,7 @@ server {
   server_name _;
 
   access_log /var/log/nginx/synapse_admin_access.log;
-  error_log /var/log/nginx/synapse_admin_error.log; 
+  error_log /var/log/nginx/synapse_admin_error.log;
 
   include /etc/nginx/ssl.conf;
   error_page 497 https://\$host:\$server_port\$request_uri;