# This file is part of shellfire core. It is subject to the licence terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/shellfire-dev/core/master/COPYRIGHT. No part of shellfire core, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
# Copyright © 2014-2015 The developers of shellfire core. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/shellfire-dev/core/master/COPYRIGHT.


core_dependency_check_Alpine_checkFunction()
{
	core_dependency_check_releaseFile alpine-release Alpine
}
core_functions_register _core_dependency_check_functions core_dependency_check_Alpine_checkFunction

core_dependency_check_Alpine_extractUnqualifiedPackageName()
{
	local fullyQualifiedPackageName="$1"

	local repositoryName
	local packageName
	_core_dependency_check_Alpine_parsePackageName
	
	printf '%s' "$packageName"
}

_core_dependency_check_Alpine_parsePackageName()
{
	repositoryName=''
	packageName=''
	IFS='/' read -r repositoryName packageName <<-EOF
		${fullyQualifiedPackageName}
	EOF
	
	if [ -z "$packageName" ]; then
		repositoryName=''
		packageName="$repositoryName"
	fi
}

core_dependency_requires Alpine sudo apk id cat
core_dependency_check_Alpine_packageManager()
{
	local apkVerbosity="--no-progress"
	
	case $(core_init_verbosity) in
		
		0)
			apkVerbosity="$apkVerbosity --quiet"
		;;
		
		1)
			:
		;;
		
		*)
			apkVerbosity="$apkVerbosity --verbose"
		;;
		
	esac

	local ourCurrentId="$(id -u)"
	if [ "$ourCurrentId" = 0 ]; then
		core_message NOTICE "Updating apk package manager (may take some time)"
		apk${apkVerbosity} update
	elif core_compatibility_whichNoOutput sudo; then
		core_message NOTICE "Updating apk package manager (may take some time)"
		sudo -p "Please enter the password for %p for sudo to apk update: " apk ${apkVerbosity} update
	else
		core_message INFO "Not running as root and sudo not found, so not installing packages '$@'"
		return 0
	fi
	
	if core_variable_isSet core_dependency_check_forcePackageManagerUpgradeDuringInstall; then
		if [ $core_dependency_check_forcePackageManagerUpgradeDuringInstall -eq 1 ]; then
			core_message INFO "Upgrading apk package manager (may take some time)"
			if [ "$ourCurrentId" = 0 ]; then
				apk${apkVerbosity} upgrade
			else
				sudo -p "Please enter the password for %p for sudo to run apk upgrade: " apk ${apkVerbosity} upgrade
			fi
		fi
	fi
	
	local fullyQualifiedPackageName
	local repositoryName
	local packageName
	for fullyQualifiedPackageName in "$@"
	do
		local apkOptions="$apkVerbosity"
		_core_dependency_check_Alpine_parsePackageName
		if [ -n "$repositoryName" ]; then
			apkOptions="$apkOptions --repository '$repositoryName'"
		fi
		
		if [ "$ourCurrentId" = 0 ]; then
			apk $apkOptions add "$@"
		else
			sudo -p "Please enter the password for %p for sudo to install packages using apk: " apk $apkOptions add "$@"
		fi
	done
}