diff --git a/src/dingo/NOTES.md b/src/dingo/NOTES.md new file mode 100644 index 0000000..af69b52 --- /dev/null +++ b/src/dingo/NOTES.md @@ -0,0 +1,11 @@ +## Dingo + +A meta-language for Go that adds Result types, error propagation (?), and pattern +matching while maintaining 100% Go ecosystem compatibility + +## OS Support + +This Feature should work on recent versions of Debian/Ubuntu-based distributions +with the `apt` package manager installed. Golang is also required in the container. + +`bash` is required to execute the `install.sh` script. diff --git a/src/dingo/README.md b/src/dingo/README.md new file mode 100644 index 0000000..a54f586 --- /dev/null +++ b/src/dingo/README.md @@ -0,0 +1,34 @@ +# Dingo (dingo) + +A meta-language for Go that adds Result types, error propagation (?), and pattern matching while maintaining 100% Go ecosystem compatibility + +## Example Usage + +```json +"features": { + "ghcr.io/mrsimonemms/devcontainers/dingo:1": {} +} +``` + +## Options + +| Options Id | Description | Type | Default Value | +|-----|-----|-----|-----| +| version | Select the version you would like to install | string | latest | + +## Dingo + +A meta-language for Go that adds Result types, error propagation (?), and pattern +matching while maintaining 100% Go ecosystem compatibility + +## OS Support + +This Feature should work on recent versions of Debian/Ubuntu-based distributions +with the `apt` package manager installed. Golang is also required in the container. + +`bash` is required to execute the `install.sh` script. + + +--- + +_Note: This file was auto-generated from the [devcontainer-feature.json](https://github.com/mrsimonemms/devcontainers/blob/main/src/dingo/devcontainer-feature.json). Add additional notes to a `NOTES.md`._ diff --git a/src/dingo/devcontainer-feature.json b/src/dingo/devcontainer-feature.json new file mode 100644 index 0000000..93d65ba --- /dev/null +++ b/src/dingo/devcontainer-feature.json @@ -0,0 +1,27 @@ +{ + "name": "Dingo", + "version": "1.0.0", + "id": "dingo", + "description": "A meta-language for Go that adds Result types, error propagation (?), and pattern matching while maintaining 100% Go ecosystem compatibility", + "options": { + "version": { + "type": "string", + "proposals": [ + "latest" + ], + "default": "latest", + "description": "Select the version you would like to install" + } + }, + "customizations": { + "vscode": { + "extensions": [ + "MadAppGang.dingo" + ] + } + }, + "installsAfter": [ + "ghcr.io/devcontainers/features/common-utils", + "ghcr.io/devcontainers/features/go" + ] +} diff --git a/src/dingo/install.sh b/src/dingo/install.sh new file mode 100644 index 0000000..19bde80 --- /dev/null +++ b/src/dingo/install.sh @@ -0,0 +1,34 @@ +#!/usr/bin/env bash +# Copyright 2023 Simon Emms +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License 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. + + +set -e + +. ./library_scripts.sh + +# nanolayer is a cli utility which keeps container layers as small as possible +# source code: https://github.com/devcontainers-extra/nanolayer +# `ensure_nanolayer` is a bash function that will find any existing nanolayer installations, +# and if missing - will download a temporary copy that automatically get deleted at the end +# of the script +ensure_nanolayer nanolayer_location "v0.5.6" + +$nanolayer_location \ + install \ + devcontainer-feature \ + "ghcr.io/devcontainers-extra/features/gh-release:1.0.25" \ + --option repo='MadAppGang/dingo' --option binaryNames='dingo' --option version="$VERSION" + +echo 'Done!' diff --git a/src/dingo/library_scripts.sh b/src/dingo/library_scripts.sh new file mode 100644 index 0000000..74ef9a6 --- /dev/null +++ b/src/dingo/library_scripts.sh @@ -0,0 +1,182 @@ +# Copyright 2023 Simon Emms +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License 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. + +clean_download() { + # The purpose of this function is to download a file with minimal impact on container layer size + # this means if no valid downloader is found (curl or wget) then we install a downloader (currently wget) in a + # temporary manner, and making sure to + # 1. uninstall the downloader at the return of the function + # 2. revert back any changes to the package installer database/cache (for example apt-get lists) + # The above steps will minimize the leftovers being created while installing the downloader + # Supported distros: + # debian/ubuntu/alpine + + url=$1 + output_location=$2 + tempdir=$(mktemp -d) + downloader_installed="" + + _apt_get_install() { + tempdir=$1 + + # copy current state of apt list - in order to revert back later (minimize contianer layer size) + cp -p -R /var/lib/apt/lists $tempdir + apt-get update -y + apt-get -y install --no-install-recommends wget ca-certificates + } + + _apt_get_cleanup() { + tempdir=$1 + + echo "removing wget" + apt-get -y purge wget --auto-remove + + echo "revert back apt lists" + rm -rf /var/lib/apt/lists/* + rm -r /var/lib/apt/lists && mv $tempdir/lists /var/lib/apt/lists + } + + _apk_install() { + tempdir=$1 + # copy current state of apk cache - in order to revert back later (minimize contianer layer size) + cp -p -R /var/cache/apk $tempdir + + apk add --no-cache wget + } + + _apk_cleanup() { + tempdir=$1 + + echo "removing wget" + apk del wget + } + # try to use either wget or curl if one of them already installer + if type curl >/dev/null 2>&1; then + downloader=curl + elif type wget >/dev/null 2>&1; then + downloader=wget + else + downloader="" + fi + + # in case none of them is installed, install wget temporarly + if [ -z $downloader ] ; then + if [ -x "/usr/bin/apt-get" ] ; then + _apt_get_install $tempdir + elif [ -x "/sbin/apk" ] ; then + _apk_install $tempdir + else + echo "distro not supported" + exit 1 + fi + downloader="wget" + downloader_installed="true" + fi + + if [ $downloader = "wget" ] ; then + wget -q $url -O $output_location + else + curl -sfL $url -o $output_location + fi + + # NOTE: the cleanup procedure was not implemented using `trap X RETURN` only because + # alpine lack bash, and RETURN is not a valid signal under sh shell + if ! [ -z $downloader_installed ] ; then + if [ -x "/usr/bin/apt-get" ] ; then + _apt_get_cleanup $tempdir + elif [ -x "/sbin/apk" ] ; then + _apk_cleanup $tempdir + else + echo "distro not supported" + exit 1 + fi + fi + +} + + +ensure_nanolayer() { + # Ensure existance of the nanolayer cli program + local variable_name=$1 + + local required_version=$2 + + local __nanolayer_location="" + + # If possible - try to use an already installed nanolayer + if [ -z "${NANOLAYER_FORCE_CLI_INSTALLATION}" ]; then + if [ -z "${NANOLAYER_CLI_LOCATION}" ]; then + if type nanolayer >/dev/null 2>&1; then + echo "Found a pre-existing nanolayer in PATH" + __nanolayer_location=nanolayer + fi + elif [ -f "${NANOLAYER_CLI_LOCATION}" ] && [ -x "${NANOLAYER_CLI_LOCATION}" ] ; then + __nanolayer_location=${NANOLAYER_CLI_LOCATION} + echo "Found a pre-existing nanolayer which were given in env variable: $__nanolayer_location" + fi + + # make sure its of the required version + if ! [ -z "${__nanolayer_location}" ]; then + local current_version + current_version=$($__nanolayer_location --version) + + + if ! [ $current_version == $required_version ]; then + echo "skipping usage of pre-existing nanolayer. (required version $required_version does not match existing version $current_version)" + __nanolayer_location="" + fi + fi + + fi + + # If not previuse installation found, download it temporarly and delete at the end of the script + if [ -z "${__nanolayer_location}" ]; then + + if [ "$(uname -sm)" = 'Linux x86_64' ] || [ "$(uname -sm)" = "Linux aarch64" ]; then + tmp_dir=$(mktemp -d -t nanolayer-XXXXXXXXXX) + + clean_up () { + ARG=$? + rm -rf $tmp_dir + exit $ARG + } + trap clean_up EXIT + + + if [ -x "/sbin/apk" ] ; then + clib_type=musl + else + clib_type=gnu + fi + + tar_filename=nanolayer-"$(uname -m)"-unknown-linux-$clib_type.tgz + + # clean download will minimize leftover in case a downloaderlike wget or curl need to be installed + clean_download https://github.com/devcontainers-extra/nanolayer/releases/download/$required_version/$tar_filename $tmp_dir/$tar_filename + + tar xfzv $tmp_dir/$tar_filename -C "$tmp_dir" + chmod a+x $tmp_dir/nanolayer + __nanolayer_location=$tmp_dir/nanolayer + + + else + echo "No binaries compiled for non-x86-linux architectures yet: $(uname -m)" + exit 1 + fi + fi + + # Expose outside the resolved location + export ${variable_name}=$__nanolayer_location + +}