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#!/usr/bin/env bash
set -e
IFS=. read cm_maj cm_min cm_rel <<<"$1"
: ${cm_rel:-0}
CMAKE_ROOT=${2:-"${HOME}/cmake"}
function cmake_version ()
{
if [[ -d ${CMAKE_ROOT} ]] ; then
local perms=$(test $(uname) = "Linux" && echo "/111" || echo "+111")
local installed=$(find ${CMAKE_ROOT} -perm ${perms} -type f -name cmake)
if [[ "${installed}" != "" ]] ; then
echo "$(${installed} --version | head -1)"
fi
fi
}
installed=$(cmake_version)
if [[ "${installed}" != "" && ${installed} =~ ${cm_maj}.${cm_min}.${cm_rel} ]] ; then
echo "cmake already installed: ${installed}"
exit
fi
pkgname="cmake-${cm_maj}.${cm_min}.${cm_rel}-$(uname)-x86_64.tar.gz"
tmppkg="/tmp/cmake.tar.gz"
wget --quiet https://cmake.org/files/v${cm_maj}.${cm_min}/${pkgname} -O ${tmppkg}
mkdir -p ${CMAKE_ROOT}
cd ${CMAKE_ROOT}
tar --strip-components 1 -xf ${tmppkg}
rm -f ${tmppkg}
echo "installed: $(cmake_version)"
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