[BUG] Install script broken on Ubunutu 24.04 - x86

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

The install at https://claude.ai/install.sh errors.

What Should Happen?

Claude should install.

Error Messages/Logs

vagrant@sandbox:~$ curl -fsSL https://claude.ai/install.sh | sudo bash -x
+ set -e
+ TARGET=
+ [[ -n '' ]]
+ DOWNLOAD_BASE_URL=https://downloads.claude.ai/claude-code-releases
+ DOWNLOAD_DIR=/root/.claude/downloads
+ DOWNLOADER=
+ command -v curl
+ DOWNLOADER=curl
+ HAS_JQ=false
+ command -v jq
+ HAS_JQ=true
+ case "$(uname -s)" in
++ uname -s
+ os=linux
+ case "$(uname -m)" in
++ uname -m
+ arch=x64
+ '[' linux = darwin ']'
+ '[' linux = linux ']'
+ '[' -f /lib/libc.musl-x86_64.so.1 ']'
+ '[' -f /lib/libc.musl-aarch64.so.1 ']'
+ grep -q musl
+ ldd /bin/ls
+ platform=linux-x64
+ mkdir -p /root/.claude/downloads
++ download_file https://downloads.claude.ai/claude-code-releases/latest
++ local url=https://downloads.claude.ai/claude-code-releases/latest
++ local output=
++ '[' curl = curl ']'
++ '[' -n '' ']'
++ curl -fsSL https://downloads.claude.ai/claude-code-releases/latest
+ version=2.1.114
++ download_file https://downloads.claude.ai/claude-code-releases/2.1.114/manifest.json
++ local url=https://downloads.claude.ai/claude-code-releases/2.1.114/manifest.json
++ local output=
++ '[' curl = curl ']'
++ '[' -n '' ']'
++ curl -fsSL https://downloads.claude.ai/claude-code-releases/2.1.114/manifest.json
+ manifest_json='{
  "version": "2.1.114",
  "buildDate": "2026-04-17T22:43:08Z",
  "platforms": {
    "darwin-arm64": {
      "binary": "claude",
      "checksum": "bf1b4da368da7970f0d1d4a1675acea99b6f2ad94f24e9f8ccfcc7940ac67894",
      "size": 204534752
    },
    "darwin-x64": {
      "binary": "claude",
      "checksum": "1a30360b6240056a58ba9187c8f9d2e88e949e0f970d5cf81f8d69bc65568f6a",
      "size": 206004048
    },
    "linux-arm64": {
      "binary": "claude",
      "checksum": "9556b74e2c912e7dcaef90c91fd0dd5095364f8a9d71398de3c5c669612b828a",
      "size": 236653120
    },
    "linux-x64": {
      "binary": "claude",
      "checksum": "12bd4b0916deb06be17ffc7b2f0485e140bf00b2db3dcb78469d66723d73c27f",
      "size": 236411520
    },
    "linux-arm64-musl": {
      "binary": "claude",
      "checksum": "20c68c312e76fb81f52cd2006b1461a0eedd470798f44b9b4a833ad583ccc05b",
      "size": 229378496
    },
    "linux-x64-musl": {
      "binary": "claude",
      "checksum": "fbbcfa225e948d9263c39f8be29a956ea4bd3a445f79aa9396cdc3263ea05690",
      "size": 230676928
    },
    "win32-x64": {
      "binary": "claude.exe",
      "checksum": "6f4a961ea8a1d656c41dd71cbef202cb71d13c443f86818c721167c33f8a51fd",
      "size": 245966496
    },
    "win32-arm64": {
      "binary": "claude.exe",
      "checksum": "acdc5b7004491662f10622124c509b018a6a6c5566adf3e217f2dd4dad64ef34",
      "size": 242697888
    }
  }
}'
+ '[' true = true ']'
++ echo '{
  "version": "2.1.114",
  "buildDate": "2026-04-17T22:43:08Z",
  "platforms": {
    "darwin-arm64": {
      "binary": "claude",
      "checksum": "bf1b4da368da7970f0d1d4a1675acea99b6f2ad94f24e9f8ccfcc7940ac67894",
      "size": 204534752
    },
    "darwin-x64": {
      "binary": "claude",
      "checksum": "1a30360b6240056a58ba9187c8f9d2e88e949e0f970d5cf81f8d69bc65568f6a",
      "size": 206004048
    },
    "linux-arm64": {
      "binary": "claude",
++ jq -r '.platforms["linux-x64"].checksum // empty'
      "checksum": "9556b74e2c912e7dcaef90c91fd0dd5095364f8a9d71398de3c5c669612b828a",
      "size": 236653120
    },
    "linux-x64": {
      "binary": "claude",
      "checksum": "12bd4b0916deb06be17ffc7b2f0485e140bf00b2db3dcb78469d66723d73c27f",
      "size": 236411520
    },
    "linux-arm64-musl": {
      "binary": "claude",
      "checksum": "20c68c312e76fb81f52cd2006b1461a0eedd470798f44b9b4a833ad583ccc05b",
      "size": 229378496
    },
    "linux-x64-musl": {
      "binary": "claude",
      "checksum": "fbbcfa225e948d9263c39f8be29a956ea4bd3a445f79aa9396cdc3263ea05690",
      "size": 230676928
    },
    "win32-x64": {
      "binary": "claude.exe",
      "checksum": "6f4a961ea8a1d656c41dd71cbef202cb71d13c443f86818c721167c33f8a51fd",
      "size": 245966496
    },
    "win32-arm64": {
      "binary": "claude.exe",
      "checksum": "acdc5b7004491662f10622124c509b018a6a6c5566adf3e217f2dd4dad64ef34",
      "size": 242697888
    }
  }
}'
+ checksum=
vagrant@sandbox:~$ echo $?
126

Steps to Reproduce

curl -fsSL https://claude.ai/install.sh | sudo bash -x

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

idk

Claude Code Version

n/a

Platform

Other

Operating System

Ubuntu/Debian Linux

Terminal/Shell

Other

Additional Information

_No response_