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#!/usr/bin/env bash
set -euo pipefail
#
# variables
#
RESET="\033[0m"
RED="\033[0;31m"
YELLOW="\033[0;33m"
MAGENTA="\033[0;95m"
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
[ -z "${DOTNET_HOME:-}"] && DOTNET_HOME="$HOME/.dotnet"
config_file="$DIR/korebuild.json"
verbose=false
update=false
repo_path="$DIR"
channel=''
tools_source=''
#
# Functions
#
__usage() {
echo "Usage: $(basename "${BASH_SOURCE[0]}") [options] [[--] <MSBUILD_ARG>...]"
echo ""
echo "Arguments:"
echo " <MSBUILD_ARG>... Arguments passed to MSBuild. Variable number of arguments allowed."
echo ""
echo "Options:"
echo " --verbose Show verbose output."
echo " -c|--channel <CHANNEL> The channel of KoreBuild to download. Overrides the value from the config file.."
echo " --config-file <FILE> The path to the configuration file that stores values. Defaults to korebuild.json."
echo " -d|--dotnet-home <DIR> The directory where .NET Core tools will be stored. Defaults to '\$DOTNET_HOME' or '\$HOME/.dotnet."
echo " --path <PATH> The directory to build. Defaults to the directory containing the script."
echo " -s|--tools-source <URL> The base url where build tools can be downloaded. Overrides the value from the config file."
echo " -u|--update Update to the latest KoreBuild even if the lock file is present."
echo ""
echo "Description:"
echo " This function will create a file \$DIR/korebuild-lock.txt. This lock file can be committed to source, but does not have to be."
echo " When the lockfile is not present, KoreBuild will create one using latest available version from \$channel."
if [[ "${1:-}" != '--no-exit' ]]; then
exit 2
fi
}
get_korebuild() {
local version
local lock_file="$repo_path/korebuild-lock.txt"
if [ ! -f "$lock_file" ] || [ "$update" = true ]; then
__get_remote_file "$tools_source/korebuild/channels/$channel/latest.txt" "$lock_file"
fi
version="$(grep 'version:*' -m 1 "$lock_file")"
if [[ "$version" == '' ]]; then
__error "Failed to parse version from $lock_file. Expected a line that begins with 'version:'"
return 1
fi
version="$(echo "${version#version:}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
local korebuild_path="$DOTNET_HOME/buildtools/korebuild/$version"
{
if [ ! -d "$korebuild_path" ]; then
mkdir -p "$korebuild_path"
local remote_path="$tools_source/korebuild/artifacts/$version/korebuild.$version.zip"
tmpfile="$(mktemp)"
echo -e "${MAGENTA}Downloading KoreBuild ${version}${RESET}"
if __get_remote_file "$remote_path" "$tmpfile"; then
unzip -q -d "$korebuild_path" "$tmpfile"
fi
rm "$tmpfile" || true
fi
source "$korebuild_path/KoreBuild.sh"
} || {
if [ -d "$korebuild_path" ]; then
echo "Cleaning up after failed installation"
rm -rf "$korebuild_path" || true
fi
return 1
}
}
__error() {
echo -e "${RED}error: $*${RESET}" 1>&2
}
__warn() {
echo -e "${YELLOW}warning: $*${RESET}"
}
__machine_has() {
hash "$1" > /dev/null 2>&1
return $?
}
__get_remote_file() {
local remote_path=$1
local local_path=$2
if [[ "$remote_path" != 'http'* ]]; then
cp "$remote_path" "$local_path"
return 0
fi
local failed=false
if __machine_has wget; then
wget --tries 10 --quiet -O "$local_path" "$remote_path" || failed=true
else
failed=true
fi
if [ "$failed" = true ] && __machine_has curl; then
failed=false
curl --retry 10 -sSL -f --create-dirs -o "$local_path" "$remote_path" || failed=true
fi
if [ "$failed" = true ]; then
__error "Download failed: $remote_path" 1>&2
return 1
fi
}
#
# main
#
while [[ $# -gt 0 ]]; do
case $1 in
-\?|-h|--help)
__usage --no-exit
exit 0
;;
-c|--channel|-Channel)
shift
channel="${1:-}"
[ -z "$channel" ] && __usage
;;
--config-file|-ConfigFile)
shift
config_file="${1:-}"
[ -z "$config_file" ] && __usage
if [ ! -f "$config_file" ]; then
__error "Invalid value for --config-file. $config_file does not exist."
exit 1
fi
;;
-d|--dotnet-home|-DotNetHome)
shift
DOTNET_HOME="${1:-}"
[ -z "$DOTNET_HOME" ] && __usage
;;
--path|-Path)
shift
repo_path="${1:-}"
[ -z "$repo_path" ] && __usage
;;
-s|--tools-source|-ToolsSource)
shift
tools_source="${1:-}"
[ -z "$tools_source" ] && __usage
;;
-u|--update|-Update)
update=true
;;
--verbose|-Verbose)
verbose=true
;;
--)
shift
break
;;
*)
break
;;
esac
shift
done
if ! __machine_has unzip; then
__error 'Missing required command: unzip'
exit 1
fi
if ! __machine_has curl && ! __machine_has wget; then
__error 'Missing required command. Either wget or curl is required.'
exit 1
fi
[ -z "${config_file:-}" ] && config_file="$repo_path/korebuild.json"
if [ -f "$config_file" ]; then
if __machine_has jq ; then
if jq '.' "$config_file" >/dev/null ; then
config_channel="$(jq -r 'select(.channel!=null) | .channel' "$config_file")"
config_tools_source="$(jq -r 'select(.toolsSource!=null) | .toolsSource' "$config_file")"
else
__warn "$config_file is invalid JSON. Its settings will be ignored."
fi
elif __machine_has python ; then
if python -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'))" >/dev/null ; then
config_channel="$(python -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'));print(obj['channel'] if 'channel' in obj else '')")"
config_tools_source="$(python -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'));print(obj['toolsSource'] if 'toolsSource' in obj else '')")"
else
__warn "$config_file is invalid JSON. Its settings will be ignored."
fi
else
__warn 'Missing required command: jq or pyton. Could not parse the JSON file. Its settings will be ignored.'
fi
[ ! -z "${config_channel:-}" ] && channel="$config_channel"
[ ! -z "${config_tools_source:-}" ] && tools_source="$config_tools_source"
fi
[ -z "$channel" ] && channel='dev'
[ -z "$tools_source" ] && tools_source='https://aspnetcore.blob.core.windows.net/buildtools'
get_korebuild
install_tools "$tools_source" "$DOTNET_HOME"
invoke_repository_build "$repo_path" "$@"
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