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install
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install
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#!/bin/bash
main() {
status() {
echo -en "-----> $*"
}
info() {
echo -en " $*"
}
error() {
echo -en " ! $*"
}
warn() {
echo -en " /!\\ $*"
}
clean_install() {
tmpdir=$1
rm -r $tmpdir
# If installed through one line install, remove script
if [ "x$0" = "xinstall" ] ; then
rm "$0"
fi
}
usage() {
echo "Installs Scalingo client."
echo
echo "Options:"
echo " -h, --help displays help and exits"
echo " -i, --install-dir DIR Scalingo client installation directory, creating it if"
echo " necessary (defaults to /usr/local/bin)"
echo " -y, --yes overwrites previously installed Scalingo client"
echo
}
if [ "x$DEBUG" = "xtrue" ] ; then
set -x
fi
uname -a | grep -qi 'Linux' ; is_linux=$?
uname -a | grep -qi 'Darwin' ; is_darwin=$?
os=$(uname -s | tr '[A-Z]' '[a-z]')
ext=zip
case $os in
linux)
ext='tar.gz'
;;
darwin)
;;
*)
echo "Unsupported OS: $(uname -s)"
exit 1
;;
esac
arch=$(uname -m)
case $arch in
x86_64)
arch=amd64
;;
i686)
arch=386
;;
esac
while [ "$#" -gt "0" ]
do
key="$1"
case $key in
-h|--help)
usage
exit
;;
-i|--install-dir)
target_dir="$2"
shift
shift
if [ -e "$target_dir" ] && [ ! -d "$target_dir" ] ; then
error "target directory '$target_dir' exists but is not a directory\n"
exit 1
fi
;;
-y|--yes)
yes_to_overwrite=1
shift
;;
*)
usage
error "unknown argument $1\n"
exit 1
;;
esac
done
tmpdir=$(mktemp -d /tmp/scalingo_cli_XXX)
trap "clean_install ${tmpdir}" EXIT
version=$(curl -s https://cli-dl.scalingo.com/version | tr -d ' \t\n')
dirname="scalingo_${version}_${os}_${arch}"
archive_name="${dirname}.${ext}"
url=https://github.com/Scalingo/cli/releases/download/${version}/${archive_name}
status "Downloading Scalingo client... "
curl -s -L -o ${tmpdir}/${archive_name} ${url}
echo "DONE"
status "Extracting... "
case $ext in
zip)
unzip -d "${tmpdir}" "${tmpdir}/${archive_name}"
;;
tar.gz)
tar -C "${tmpdir}" -x -f "${tmpdir}/${archive_name}"
;;
esac
echo "DONE"
exe_path=${tmpdir}/${dirname}/scalingo
target_dir="${target_dir:-/usr/local/bin}"
target="$target_dir/scalingo"
if [ -x "$target" -a -z "$yes_to_overwrite" ] ; then
export DISABLE_UPDATE_CHECKER=true
new_version=$($exe_path --version | cut -d' ' -f4)
old_version=$("$target" --version | cut -d' ' -f4)
warn "Scalingo client is already installed (version ${old_version})\n"
info "Do you want to replace it with version ${new_version}? [Y/n] "
read input
[ -z $input ] && input='Y'
while echo $input | grep -qvE '[YyNn]' ; do
info "Invalid input, please enter 'y' or 'n': "
read input
done
if [ "x$input" = "xn" ] ; then
status "Aborting...\n"
exit -1
fi
fi
status "Install Scalingo client to $target_dir\n"
if [ ! -w "$target_dir" ] ; then
sudo=sudo
info "sudo required...\n"
fi
if [ ! -e "$target_dir" ] ; then
info "$target_dir does not exist, creating...\n"
if [ -w "$(basename "$target_dir")" ] ; then
mkdir -p "$target_dir"
else
$sudo mkdir -p "$target_dir"
fi
fi
$sudo mv $exe_path "$target" ; rc=$?
if [ $rc -ne 0 ] ; then
error "Fail to install Scalingo client (return $rc)\n"
else
status "Installation completed, the command 'scalingo' is available.\n"
fi
}
# Avoid error if download failure
main "$@"