jnc update

Checks if there are newer versions of dependencies and updates the jnc.lock file and environments accordingly. Only updates packages to versions still compatible with the version constraints defined in the manifest. If no packages are specified, all packages are updated. You can scope updates to specific environments and platforms.

Usage

jnc update [OPTIONS] [PACKAGES]...

Arguments

Argument	Description
`[PACKAGES]...`	The packages to update, space-separated. If none are provided, all packages are updated.

Options

Option	Short	Description
`--environment <ENV>`	`-e`	The environments to update. Can be specified multiple times. If none are given, all environments are updated.
`--platform <PLATFORM>`	`-p`	The platforms to update. Can be specified multiple times. If none are given, all platforms are updated.
`--dry-run`	`-n`	Show what would be updated without writing changes to the lock file or environment.
`--json`		Output the changes in JSON format.
`--no-install`		Update the lock file without installing the environment.

Global Options

Option	Short	Description
`--manifest-path <PATH>`	`-m`	Path to `jnc.toml` or the workspace directory.

Examples

Update all packages:

jnc update

Update specific packages:

jnc update python numpy

Update only in a specific environment:

jnc update --environment test

Preview changes without applying them:

jnc update --dry-run

Update for a specific platform:

jnc update --platform linux-aarch64

Output changes as JSON:

jnc update --json

Overview

Commands

jnc update

jnc update

Usage

Arguments

Options

Global Options

Examples

​jnc update

​Usage

​Arguments

​Options

​Global Options

​Examples

jnc update

Usage

Arguments

Options

Global Options

Examples