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fix: homebrew packages now installed in two phases (#395)
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,179 @@ | ||
| #!/bin/bash -i | ||
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| clean_download() { | ||
| # The purpose of this function is to download a file with minimal impact on contaier 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 | ||
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| url=$1 | ||
| output_location=$2 | ||
| tempdir=$(mktemp -d) | ||
| downloader_installed="" | ||
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| function _apt_get_install() { | ||
| tempdir=$1 | ||
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| # 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 | ||
| } | ||
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| function _apt_get_cleanup() { | ||
| tempdir=$1 | ||
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| echo "removing wget" | ||
| apt-get -y purge wget --auto-remove | ||
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| echo "revert back apt lists" | ||
| rm -rf /var/lib/apt/lists/* | ||
| rm -r /var/lib/apt/lists && mv $tempdir/lists /var/lib/apt/lists | ||
| } | ||
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| function _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 | ||
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| apk add --no-cache wget | ||
| } | ||
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| function _apk_cleanup() { | ||
| tempdir=$1 | ||
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| 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 | ||
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| # 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 | ||
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| if [ $downloader = "wget" ] ; then | ||
| wget -q $url -O $output_location | ||
| else | ||
| curl -sfL $url -o $output_location | ||
| fi | ||
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| # 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 | ||
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| } | ||
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| ensure_nanolayer() { | ||
| # Ensure existance of the nanolayer cli program | ||
| local variable_name=$1 | ||
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| local required_version=$2 | ||
| # normalize version | ||
| if ! [[ $required_version == v* ]]; then | ||
| required_version=v$required_version | ||
| fi | ||
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| local nanolayer_location="" | ||
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| # 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 varialbe: $nanolayer_location" | ||
| fi | ||
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| # make sure its of the required version | ||
| if ! [[ -z "${nanolayer_location}" ]]; then | ||
| local current_version | ||
| current_version=$($nanolayer_location --version) | ||
| if ! [[ $current_version == v* ]]; then | ||
| current_version=v$current_version | ||
| fi | ||
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| if ! [ $current_version == $required_version ]; then | ||
| echo "skipping usage of pre-existing nanolayer. (required version $required_version does not match existing version $current_version)" | ||
| nanolayer_location="" | ||
| fi | ||
| fi | ||
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| fi | ||
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| # If not previuse installation found, download it temporarly and delete at the end of the script | ||
| if [[ -z "${nanolayer_location}" ]]; then | ||
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| if [ "$(uname -sm)" == "Linux x86_64" ] || [ "$(uname -sm)" == "Linux aarch64" ]; then | ||
| tmp_dir=$(mktemp -d -t nanolayer-XXXXXXXXXX) | ||
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| clean_up () { | ||
| ARG=$? | ||
| rm -rf $tmp_dir | ||
| exit $ARG | ||
| } | ||
| trap clean_up EXIT | ||
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| if [ -x "/sbin/apk" ] ; then | ||
| clib_type=musl | ||
| else | ||
| clib_type=gnu | ||
| fi | ||
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| tar_filename=nanolayer-"$(uname -m)"-unknown-linux-$clib_type.tgz | ||
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| # clean download will minimize leftover in case a downloaderlike wget or curl need to be installed | ||
| clean_download https://github.com/devcontainers-contrib/cli/releases/download/$required_version/$tar_filename $tmp_dir/$tar_filename | ||
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| tar xfzv $tmp_dir/$tar_filename -C "$tmp_dir" | ||
| chmod a+x $tmp_dir/nanolayer | ||
| nanolayer_location=$tmp_dir/nanolayer | ||
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| else | ||
| echo "No binaries compiled for non-x86-linux architectures yet: $(uname -m)" | ||
| exit 1 | ||
| fi | ||
| fi | ||
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| # Expose outside the resolved location | ||
| declare -g ${variable_name}=$nanolayer_location | ||
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| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| #!/bin/bash | ||
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| set -e | ||
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| source dev-container-features-test-lib | ||
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| check "mysql --version" mysql --version | ||
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| reportResults |