Docs / Getting started

Install

Install genpm once and run it from any terminal as genpm …. It is a single native binary for macOS, Linux and Windows: Node.js is not needed.

macOS and Linux

curl -fsSL https://genpm.net/install.sh | sh

Windows (PowerShell)

irm https://genpm.net/install.ps1 | iex

The installer picks the right build for your system (Apple silicon or Intel, x64 or arm64, glibc or musl), downloads it from the project's GitHub Releases, verifies its SHA-256 against the release checksums and puts it in ~/.genpm/bin (%USERPROFILE%\.genpm\bin on Windows). Then it adds that folder to your PATH. It never asks for sudo or admin rights.

Open a new terminal and check it:

genpm --version
genpm doctor

Platform	Builds
macOS	Apple silicon (arm64), Intel (x64)
Linux	x64 and arm64, glibc and musl (Alpine needs `apk add libstdc++ libgcc`)
Windows	x64 and arm64

git 2.25+ is still recommended: GenPM uses it to fetch packages by commit (without it, it falls back to GitHub tarballs).

Update

genpm upgrade            # latest release
genpm upgrade --check    # only tell me if there is a newer one
genpm upgrade 0.2.0      # a specific version (also to go back)

genpm upgrade downloads the new binary, verifies its SHA-256 and replaces itself atomically. If the checksum does not match, nothing changes.

Options

The installers read these environment variables:

Variable	Default	What it does
`GENPM_VERSION`	latest	Version to install. Also `sh -s -- 0.2.0` or `-Version 0.2.0`.
`GENPM_INSTALL_DIR`	`~/.genpm/bin`	Where to put the binary.
`GENPM_NO_MODIFY_PATH=1`	—	Do not touch your shell profile or user `PATH`.
`GENPM_DOWNLOAD_URL`	GitHub Releases	Base URL (or folder) with the release files, for internal mirrors.

A specific version on each platform:

curl -fsSL https://genpm.net/install.sh | sh -s -- 0.2.0

& ([scriptblock]::Create((irm https://genpm.net/install.ps1))) -Version 0.2.0

Verify a download by hand

Every release publishes SHA256SUMS and a build provenance attestation signed by GitHub Actions. With the GitHub CLI:

gh attestation verify genpm-linux-x64 --repo genpm-net/genpm

With npm instead

If you already use Node.js 20.11+ you can also run the npm package. The commands are the same.

npm i -g genpm          # global install, update with npm i -g genpm@latest
npx genpm add @core/auth   # one-off, nothing installed (handy in CI)

Uninstall

Delete the binary and the # genpm line the installer added to your shell profile (~/.zshrc, ~/.bashrc, ~/.bash_profile, ~/.profile or ~/.config/fish/conf.d/genpm.fish):

rm -rf ~/.genpm   # also removes the download cache and your login

On Windows, delete %USERPROFILE%\.genpm and remove %USERPROFILE%\.genpm\bin from your user PATH (Settings → System → About → Advanced system settings → Environment Variables).

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