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#!/bin/sh
# Copyright 2012-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
usage() {
cat 1>&2 <<EOF
Installs the AWS CLI v2
USAGE:
install [FLAGS] [OPTIONS]
FLAGS:
-u, --update Updates the AWS CLI v2 if a different version
is previously installed. By default, this script
will not update the AWS CLI if a previous
installation is detected.
-h, --help Prints help information
OPTIONS:
-i, --install-dir <path> The directory to install the AWS CLI v2. By
default, this directory is: /usr/local/aws-cli
-b, --bin-dir <path> The directory to store symlinks to executables
for the AWS CLI v2. By default, the directory
used is: /usr/local/bin
EOF
}
parse_commandline() {
while test $# -gt 0
do
key="$1"
case "$key" in
-i|--install-dir)
PARSED_INSTALL_DIR="$2"
shift
;;
-b|--bin-dir)
PARSED_BIN_DIR="$2"
shift
;;
-u|--update)
PARSED_UPGRADE="yes"
;;
-h|--help)
usage
exit 0
;;
*)
die "Got an unexpected argument: $1"
;;
esac
shift
done
}
set_global_vars() {
ROOT_INSTALL_DIR=${PARSED_INSTALL_DIR:-/usr/local/aws-cli}
BIN_DIR=${PARSED_BIN_DIR:-/usr/local/bin}
UPGRADE=${PARSED_UPGRADE:-no}
EXE_NAME="aws"
COMPLETER_EXE_NAME="aws_completer"
INSTALLER_DIR="$( cd "$( dirname "$0" )" >/dev/null 2>&1 && pwd )"
INSTALLER_DIST_DIR="$INSTALLER_DIR/dist"
INSTALLER_EXE="$INSTALLER_DIST_DIR/$EXE_NAME"
AWS_EXE_VERSION=$($INSTALLER_EXE --version | cut -d ' ' -f 1 | cut -d '/' -f 2)
INSTALL_DIR="$ROOT_INSTALL_DIR/v2/$AWS_EXE_VERSION"
INSTALL_DIR="$INSTALL_DIR"
INSTALL_DIST_DIR="$INSTALL_DIR/dist"
INSTALL_BIN_DIR="$INSTALL_DIR/bin"
INSTALL_AWS_EXE="$INSTALL_BIN_DIR/$EXE_NAME"
INSTALL_AWS_COMPLETER_EXE="$INSTALL_BIN_DIR/$COMPLETER_EXE_NAME"
CURRENT_INSTALL_DIR="$ROOT_INSTALL_DIR/v2/current"
CURRENT_AWS_EXE="$CURRENT_INSTALL_DIR/bin/$EXE_NAME"
CURRENT_AWS_COMPLETER_EXE="$CURRENT_INSTALL_DIR/bin/$COMPLETER_EXE_NAME"
BIN_AWS_EXE="$BIN_DIR/$EXE_NAME"
BIN_AWS_COMPLETER_EXE="$BIN_DIR/$COMPLETER_EXE_NAME"
}
create_install_dir() {
mkdir -p "$INSTALL_DIR" || exit 1
{
setup_install_dist &&
setup_install_bin &&
create_current_symlink
} || {
rm -rf "$INSTALL_DIR"
exit 1
}
}
check_preexisting_install() {
if [ -L "$CURRENT_INSTALL_DIR" ] && [ "$UPGRADE" = "no" ]
then
die "Found preexisting AWS CLI installation: $CURRENT_INSTALL_DIR. Please rerun install script with --update flag."
fi
if [ -d "$INSTALL_DIR" ]
then
echo "Found same AWS CLI version: $INSTALL_DIR. Skipping install."
exit 0
fi
}
setup_install_dist() {
cp -r "$INSTALLER_DIST_DIR" "$INSTALL_DIST_DIR"
}
setup_install_bin() {
mkdir -p "$INSTALL_BIN_DIR"
ln -s "../dist/$EXE_NAME" "$INSTALL_AWS_EXE"
ln -s "../dist/$COMPLETER_EXE_NAME" "$INSTALL_AWS_COMPLETER_EXE"
}
create_current_symlink() {
ln -snf "$INSTALL_DIR" "$CURRENT_INSTALL_DIR"
}
create_bin_symlinks() {
mkdir -p "$BIN_DIR"
ln -sf "$CURRENT_AWS_EXE" "$BIN_AWS_EXE"
ln -sf "$CURRENT_AWS_COMPLETER_EXE" "$BIN_AWS_COMPLETER_EXE"
}
die() {
err_msg="$1"
echo "$err_msg" >&2
exit 1
}
main() {
parse_commandline "$@"
set_global_vars
check_preexisting_install
create_install_dir
create_bin_symlinks
echo "You can now run: $BIN_AWS_EXE --version"
exit 0
}
main "$@" || exit 1
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