0.2r3 - Universal installer

lch

@@ -1,5 +1,5 @@
 #!/bin/bash
-VERSION=0.2r2
+VERSION=0.2r3
 DEST=$1
 shift 1
 ORIG=$@
@@ -33,13 +33,11 @@ function decompressor()
         ;;
         *)
             echo "Extension not found."
-            echo "For more information run 'lch --help'"
-            echo ""
+            echo -e "For more information run 'lch --help'\n"
         ;;
     esac
     
-    echo ""
-    echo "Done"
+    echo -e "\nDone"
     exit 0
 }
 
@@ -72,13 +70,11 @@ function compressor()
         ;;
         *)
             echo "Extension not found."
-            echo "For more information run 'lch --help'"
-            echo ""
+            echo -e "For more information run 'lch --help'\n"
         ;;
     esac
     
-    echo ""
-    echo "Done"
+    echo -e "\nDone"
     exit 0
 }
 
@@ -107,8 +103,7 @@ function help()
 function check()
 {
     local a=false
-    echo "Verification of compression systems:"
-    echo ""
+    echo -e "Verification of compression systems:\n"
     echo -e "Systems\t\t\tStatus"
     echo "----------------------------------"
     for i in "tar" "bzip2" "gzip" "zip" "7za"
@@ -124,8 +119,7 @@ function check()
 
     if $a
     then
-        echo ""
-        echo "In order to use all the extensions install the packages: tar, bzip2, gzip, zip, 7za"
+        echo -e "\nIn order to use all the extensions install the packages: tar, bzip2, gzip, zip, 7za"
     fi
     echo ""
     exit 0
@@ -133,18 +127,48 @@ function check()
 
 function install()
 {
-    echo "Install dependences"
-    echo ""
+    echo -e "Install dependences\n"
+
+    if [ "$UID" != "0" ]; then 
+        echo " Only root can execute this script, sorry."
+        echo " Try 'sudo $0 $DEST'"
+        exit 0
+    fi
+    
     if [ -x "$(command -v apt)" ]
     then
-        echo "Detect APT system"
-        echo ""
-        apt install tar bzip2 gzip zip p7zip-full
+        echo -e "Detect APT system\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 "$(grep "centos" /etc/*-release)" ]
+    then
+        echo -e "Detect CentOS system\n"
+        yum install -y -q epel-release 1> /dev/null
+        rpm -U --quiet http://mirrors.kernel.org/fedora-epel/6/i386/epel-release-6-8.noarch.rpm 1> /dev/null
+        rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 1> /dev/null
+        yum repolist 1> /dev/null
+        yum install -y -q p7zip p7zip-plugins 1> /dev/null
+        yum install -y -q tar bzip2 gzip zip 1> /dev/null
+    elif [ -x "$(command -v pacman)" ]
+    then
+        echo -e "Detect Pacman system\n"
+        pacman -Sqy --noconfirm tar bzip2 gzip zip p7zip 1> /dev/null
+    elif [ -x "$(command -v zypper)" ]
+    then
+        echo -e "Detect Zypper system\n"
+        zypper install -y tar bzip2 gzip zip p7zip-full 1> /dev/null
     else
-        echo "No detect installer"
-        echo ""
+        echo -e "No detect installer\n"
     fi
 
+    echo -e "\nDependencies installation completed\n"
     exit 0
 }
 
@@ -171,10 +195,8 @@ then
     echo "Linux Compression Humanized $VERSION"
     exit 0
 else
-    echo ""
-    echo "lch $VERSION"
-    echo "---------"
-    echo ""
+    echo -e "\nlch $VERSION"
+    echo -e "---------\n"
 fi
 
 if [ -z "$DEST" ]
@@ -194,4 +216,4 @@ else
         echo ""
         decompressor $DEST
     fi
-fi
+fi