[Fix] support arm64-musl on Alpine Linux#3845
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Node.js unofficial-builds publishes linux-arm64-musl binaries since v20.20.1 / v22.21.1 / v24+. Map NVM_ARCH=arm64 to arm64-musl on Alpine so `nvm install` resolves to the correct tarball instead of the glibc-linked arm64 build that won't run against musl.
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What happens on that arch when you run |
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Without the mirror env var, https://nodejs.org/dist/v24.9.0/node-v24.9.0-linux-x64-musl.tar.gz That URL returns 404, so the binary download fails. Then nvm falls back to building from source, downloads: https://nodejs.org/dist/v24.9.0/node-v24.9.0.tar.gz and the checksum passes successfully. Full output: nvm install 24.9.0
Downloading and installing node v24.9.0...
Downloading https://nodejs.org/dist/v24.9.0/node-v24.9.0-linux-x64-musl.tar.gz...
curl: (22) The requested URL returned error: 404
download from https://nodejs.org/dist/v24.9.0/node-v24.9.0-linux-x64-musl.tar.gz failed
grep: /root/.nvm/.cache/bin/node-v24.9.0-linux-x64-musl/node-v24.9.0-linux-x64-musl.tar.gz: No such file or directory
Provided file to checksum does not exist.
Binary download failed, trying source.
Detected that you have 9 CPU core(s)
Running with 8 threads to speed up the build
Downloading https://nodejs.org/dist/v24.9.0/node-v24.9.0.tar.gz...
################################################################################################################################### 100.0%
Computing checksum with sha256sum
Checksums matched! |
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Summary
On Alpine Linux,
nvm_get_archonly mapsx64→x64-musl, leavingarm64unchanged. As a result,nvm installon Alpine aarch64 (e.g. Alpine on Raspberry Pi, AWS Graviton, Apple Silicon containers, iSH) tries to download the glibc-linkedlinux-arm64tarball, which fails to run against musl libc.Node.js unofficial-builds publishes
linux-arm64-muslbinaries starting fromv20.20.1/v22.21.1/v24.0.0+. This change mapsNVM_ARCH=arm64toarm64-muslon Alpine so the correct tarball is resolved.Example URL that now resolves correctly:
Test plan
nvm_get_archreturnsarm64-muslNVM_NODEJS_ORG_MIRROR=https://unofficial-builds.nodejs.org/download/release nvm install 24.9.0downloadsnode-v24.9.0-linux-arm64-musl.tar.gzsuccessfullynvm_get_archstill returnsx64-musl(unchanged behavior)nvm_get_archstill returnsarm64(unchanged behavior)