Update Claude Code Homebrew cask #Julia #Homebrew #Shell

gen_sha256_claude_code.jl

using Downloads
using Printf

const VERSION = "2.1.37"
const BASE = "https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases"

const TARGETS = [
    ("darwin", "arm64"),
    ("darwin", "x64"),
    ("linux",  "x64"),
    ("linux",  "arm64"),
]

function sha256_openssl(path::AbstractString)::String
    buf = IOBuffer()
    run(pipeline(`openssl sha256 $(path)`, stdout=buf, stderr=stderr))
    out = String(take!(buf))

    # Match hash after '=' (ignore spaces)
    m = match(r"=\s*([0-9a-fA-F]+)", out)
    m === nothing && error("Failed to parse SHA256:\n$out")

    return lowercase(m.captures[1])
end

function download_and_hash(os::String, arch::String; outdir="downloads")
    mkpath(outdir)

    url = "$(BASE)/$(VERSION)/$(os)-$(arch)/claude"
    outfile = joinpath(outdir, @sprintf("claude-%s-%s-v%s", os, arch, VERSION))

    println("Downloading  $os / $arch")
    Downloads.download(url, outfile)

    sha = sha256_openssl(outfile)
    println("  sha256: \"$sha\"")

    try
        chmod(outfile, 0o755)
    catch
    end
end

function main()
    println("Generating SHA256 for Claude Code v$VERSION\n")
    for (os, arch) in TARGETS
        download_and_hash(os, arch)
    end
end

main()