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

seqs/composer.sh

@@ -53,7 +53,7 @@ step_1_alias() { echo "status"; }
 step_1() {
   local lDir="$(pwd)"
   local lComp
-  
+
   getComposer || die "No composer installed"
 
   info    "Composer found: ${sq_composerBin}"
@@ -62,7 +62,7 @@ step_1() {
   info -a "$(update-alternatives --list php)"
 }
 
-step_10_info() { 
+step_10_info() {
   echo "Install ${toolName}"
   echoinfo " [OPTIONS]"
   echoinfo "   -l: (default) install composer.phar to the current directory"
@@ -79,7 +79,7 @@ step_10() {
   for _ in "${@}" ; do
     case "${1:-}" in
       -l) shift ;;
-      -g) 
+      -g)
         lLocal=0
         lArgs+=(--install-dir="/usr/local/bin")
         lArgs+=(--filename="composer")
@@ -92,7 +92,7 @@ step_10() {
   local getArg="-l"
   (( ! lLocal )) && getArg="-g"
   getComposer ${getArg} && die "Composer already installed: ${sq_composerBin}"
-  
+
   [[ -n "${1:-}" ]] && lArgs+=(--version="${1}")
   interactive || lArgs+=(--quiet)