distro

   1 #!/bin/bash
   2 #
   3 # This script determines the Linux distribution we are running
   4 # on. It output two words: (1) The distro name and (2) the version
   5 # Example output "UBUNTU 10.04"
   6
   7 # Ubuntu is detected with /etc/lsb-release
   8 SEP=${1:- }
   9 if [ -e /etc/lsb-release ]
  10 then
  11     . /etc/lsb-release
  12     if [ -n "$DISTRIB_ID" -a -n "$DISTRIB_RELEASE" ] ; then
  13         echo "${DISTRIB_ID^^*}$SEP$DISTRIB_RELEASE"
  14         exit 0
  15     fi
  16 fi
  17
  18 # Debian: We drop the last two versions: 5.0.4 -> 5
  19 if [ -e /etc/debian_version ]
  20 then
  21     VERSION=$(cat /etc/debian_version)
  22     if [ "${VERSION:1:1}" = . ] ; then
  23         VERSION=${VERSION:0:1}
  24     fi
  25     if [ "${VERSION:0:6}" = "wheezy" ] ; then
  26         VERSION="7"
  27     fi
  28     if [ "${VERSION:0:6}" = "jessie" ] ; then
  29         VERSION="8"
  30     fi
  31     echo "DEBIAN$SEP$VERSION"
  32     exit 0
  33 fi
  34
  35 # RedHat / CentOS
  36 if [ -e /etc/redhat-release ]
  37 then
  38     # CentOS release 5.4 (Final)
  39     VERSION=$(cat /etc/redhat-release)
  40     if [ "${VERSION:0:6}" = CentOS ]
  41     then
  42         if [ "${VERSION:0:24}" = "CentOS Linux release 6.0" ]; then
  43             echo "CENTOS${SEP}6"
  44             exit 0
  45         elif [ "${VERSION:0:22}" = "CentOS Linux release 7" ]; then
  46             echo "CENTOS${SEP}7"
  47             exit 0
  48         fi
  49         echo "CENTOS$SEP${VERSION:15:1}"
  50         exit 0
  51     elif [ "${VERSION:0:24}" = "Red Hat Enterprise Linux" ]
  52     then
  53         echo "REDHAT$SEP${VERSION:40:1}"
  54         exit 0
  55     elif [ "${VERSION:0:6}" = "Fedora" ]
  56     then
  57         [[ $VERSION =~ (Fedora release ([0-9]+)) ]] && REL=${BASH_REMATCH[2]} || exit 0
  58         echo "FEDORA$SEP$REL"
  59         exit 0
  60     fi
  61 fi
  62
  63 # SLES
  64 if [ -e /etc/SuSE-release ]
  65 then
  66     # SLES 11
  67     VERSION=$(sed -rn 's/^VERSION = (.*)/\1/p' < /etc/SuSE-release)
  68     SP=$(sed -rn 's/^PATCHLEVEL = (.*)/\1/p' < /etc/SuSE-release)
  69     if [ "$VERSION" = 11 -a "$SP" = 1 ]
  70     then
  71         echo "SLES$SEP${VERSION}SP1"
  72         exit 0
  73     elif [ "$VERSION" = 11 -a "$SP" = 2 ]
  74     then
  75         echo "SLES$SEP${VERSION}SP2"
  76         exit 0
  77     elif [ "$VERSION" = 11 -a "$SP" = 3 ]
  78     then
  79         echo "SLES$SEP${VERSION}SP3"
  80         exit 0
  81     elif [ "$VERSION" = 11 -a "$SP" = 4 ]
  82     then
  83         echo "SLES$SEP${VERSION}SP4"
  84         exit 0
  85     elif [ "$VERSION" = 10 -a "$SP" = 1 ]
  86     then
  87         echo "SLES$SEP${VERSION}SP1"
  88         exit 0
  89     elif [ "$VERSION" = 10 -a "$SP" = 2 ]
  90     then
  91         echo "SLES$SEP${VERSION}SP2"
  92         exit 0
  93     elif [ "$VERSION" = 11 ]
  94     then
  95         echo "SLES$SEP${VERSION}"
  96         exit 0
  97     elif [ "$VERSION" = 12 ]
  98     then
  99         echo -n "SLES$SEP${VERSION}"
 100         if [ $SP != 0 ]; then
 101             echo "SP$SP"
 102         else
 103             echo
 104         fi
 105         exit 0
 106     elif [ "$VERSION" = 12.1 ]
 107     then
 108         echo "OPENSUSE$SEP${VERSION}"
 109         exit 0
 110     fi
 111 fi
 112
 113 exit 1