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安装 VSCode Server

curl -fsSL https://gist.githubusercontent.com/b01/0a16b6645ab7921b0910603dfb85e4fb/raw/5186ea07a06eac28937fd914a9c8f9ce077a978e/download-vs-code-server.sh | sh

背景

VSCode Remote 功能需要在目标 Linux 上运行 VSCode Server。一般来说,VSCode 会自行安装 VSCode Server,但是如果是用 Docker 的话,就希望镜像内能预先装好 VSCode Server。因为如果没有预先装好,且没有持久化安装 VSCode Server 的路径,就会经常需要重新安装。

只要在 Dockerfile 里写上 RUN curl -fsSL https://gist.githubusercontent.com/b01/0a16b6645ab7921b0910603dfb85e4fb/raw/5186ea07a06eac28937fd914a9c8f9ce077a978e/download-vs-code-server.sh | sh 就行了。但要注意的是,VSCode Server 版本更新后需要重新构建镜像。

脚本解析

#!/bin/sh
set -e

# You can get the latest commit SHA by looking at the latest tagged commit here: https://github.com/microsoft/vscode/releases
commit_sha="08a217c4d27a02a5bcde898fd7981bda5b49391b"
archive="vscode-server-linux-x64.tar.gz"
owner='microsoft'
repo='vscode'

# Auto-Get the latest commit sha via command line.
get_latest_release() {
    tag=$(curl --silent "https://api.github.com/repos/${1}/releases/latest" | # Get latest release from GitHub API
          grep '"tag_name":'                                              | # Get tag line
          sed -E 's/.*"([^"]+)".*/\1/'                                    ) # Pluck JSON value

    tag_data=$(curl --silent "https://api.github.com/repos/${1}/git/ref/tags/${tag}")

    sha=$(echo "${tag_data}"           | # Get latest release from GitHub API
          grep '"sha":'                | # Get tag line
          sed -E 's/.*"([^"]+)".*/\1/' ) # Pluck JSON value

    sha_type=$(echo "${tag_data}"           | # Get latest release from GitHub API
          grep '"type":'                    | # Get tag line
          sed -E 's/.*"([^"]+)".*/\1/'      ) # Pluck JSON value

    if [[ "${sha_type}" != "commit" ]]; then
        combo_sha=$(curl -s "https://api.github.com/repos/${1}/git/tags/${sha}" | # Get latest release from GitHub API
              grep '"sha":'                                                     | # Get tag line
              sed -E 's/.*"([^"]+)".*/\1/'                                      ) # Pluck JSON value

        # Remove the tag sha, leaving only the commit sha;
        # this won't work if there are ever more than 2 sha,
        # and use xargs to remove whitespace/newline.
        sha=$(echo "${combo_sha}" | sed -E "s/${sha}//" | xargs)
    fi

    printf "${sha}"
}

commit_sha=$(get_latest_release "${owner}/${repo}")

echo "will attempt to download VS Code Server version = '${commit_sha}'"

# Download VS Code Server tarball to tmp directory.
curl -L "https://update.code.visualstudio.com/commit:${commit_sha}/server-linux-x64/stable" -o "/tmp/${archive}"

# Make the parent directory where the server should live.
# NOTE: Ensure VS Code will have read/write access; namely the user running VScode or container user.
mkdir -vp ~/.vscode-server/bin/"${commit_sha}"

# Extract the tarball to the right location.
tar --no-same-owner -xzv --strip-components=1 -C ~/.vscode-server/bin/"${commit_sha}" -f "/tmp/${archive}"

脚本还是很清晰的,获取 Github 上 VSCode Server 最新的 Release,并下载、解压。