Minor fixes

lch

@@ -137,38 +137,38 @@ function install()
     
     if [ -x "$(command -v apt)" ]
     then
-        echo -e "Detect APT system\n"
+        echo -e "APT system detected\n"
         apt install -y tar bzip2 gzip zip p7zip-full 1> /dev/null
-    elif [ -x "$(command -v dnf)" ] && ! [ -n "$(grep "centos" /etc/*-release)" ]
-    then
-        echo -e "Detect DNF system\n"
-        dnf install -y -q tar bzip2 gzip zip p7zip 1> /dev/null
-    elif [ -x "$(command -v yum)" ] && ! [ -n "$(grep "centos" /etc/*-release)" ]
-    then
-        echo -e "Detect Yum system\n"
-        yum install -y -q tar bzip2 gzip zip p7zip 1> /dev/null
     elif [ -n "$(grep "centos" /etc/*-release)" ]
     then
-        echo -e "Detect CentOS system\n"
+        echo -e "CentOS system detected\n"
         yum install -y -q epel-release 1> /dev/null
         rpm -U --quiet http://mirrors.kernel.org/fedora-epel/6/i386/epel-release-6-8.noarch.rpm 1> /dev/null
         rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 1> /dev/null
         yum repolist 1> /dev/null
         yum install -y -q p7zip p7zip-plugins 1> /dev/null
         yum install -y -q tar bzip2 gzip zip 1> /dev/null
+    elif [ -x "$(command -v dnf)" ]
+    then
+        echo -e "DNF system detected\n"
+        dnf install -y -q tar bzip2 gzip zip p7zip 1> /dev/null
+    elif [ -x "$(command -v yum)" ]
+    then
+        echo -e "Yum system detected\n"
+        yum install -y -q tar bzip2 gzip zip p7zip 1> /dev/null
     elif [ -x "$(command -v pacman)" ]
     then
-        echo -e "Detect Pacman system\n"
+        echo -e "Pacman system detected\n"
         pacman -Sqy --noconfirm tar bzip2 gzip zip p7zip 1> /dev/null
     elif [ -x "$(command -v zypper)" ]
     then
-        echo -e "Detect Zypper system\n"
+        echo -e "Zypper system detected\n"
         zypper install -y tar bzip2 gzip zip p7zip-full 1> /dev/null
     else
         echo -e "System installer not detected\n"
     fi
 
-    echo -e "\nDependencies installation completed\n"
+    echo -e "\nDependencies installation finished\n"
     exit 0
 }