#!/usr/bin/bash # dist.sh # Author: Tom "spot" Callaway <tcallawa@redhat.com> # License: GPL # This is a script to output the value for the %{dist} # tag. The dist tag takes the following format: .$type$num # Where $type is one of: el, fc, rh # (for RHEL, Fedora Core, and RHL, respectively) # And $num is the version number of the distribution. # NOTE: We can't detect Rawhide or Fedora Test builds properly. # If we successfully detect the version number, we output the # dist tag. Otherwise, we exit with no output. RELEASEFILE=/etc/redhat-release function check_num { MAINVER=`cut -d "(" -f 1 < $RELEASEFILE | \ sed -e "s/[^0-9.]//g" -e "s/$//g" | cut -d "." -f 1` echo $MAINVER | grep -q '[0-9]' && echo $MAINVER } function check_rhl { grep -q "Red Hat Linux" $RELEASEFILE && ! grep -q "Advanced" $RELEASEFILE && echo $DISTNUM } function check_rhel { egrep -q "(Enterprise|Advanced|CentOS|CloudLinux)" $RELEASEFILE && echo $DISTNUM } function check_fedora { grep -q Fedora $RELEASEFILE && echo $DISTNUM } DISTNUM=`check_num` DISTFC=`check_fedora` DISTRHL=`check_rhl` DISTRHEL=`check_rhel` if [ -n "$DISTNUM" ]; then if [ -n "$DISTFC" ]; then DISTTYPE=fc elif [ -n "$DISTRHEL" ]; then DISTTYPE=el elif [ -n "$DISTRHL" ]; then DISTTYPE=rhl fi fi [ -n "$DISTTYPE" -a -n "$DISTNUM" ] && DISTTAG=".${DISTTYPE}${DISTNUM}" case "$1" in --el) echo -n "$DISTRHEL" ;; --fc) echo -n "$DISTFC" ;; --rhl) echo -n "$DISTRHL" ;; --distnum) echo -n "$DISTNUM" ;; --disttype) echo -n "$DISTTYPE" ;; --help) printf "Usage: $0 [OPTIONS]\n" printf " Default mode is --dist. Possible options:\n" printf " --el\t\tfor RHEL version (if RHEL)\n" printf " --fc\t\tfor Fedora version (if Fedora)\n" printf " --rhl\t\tfor RHL version (if RHL)\n" printf " --dist\t\tfor distribution tag\n" printf " --distnum\tfor distribution number (major)\n" printf " --disttype\tfor distribution type\n" ;; *) echo -n "$DISTTAG" ;; esac