niv-updater: Automated dependency updates with niv

This action will open a pull request to master branch (or otherwise specified branch) whenever niv detects updates to nix/sources.json in your repository, for each dependency separately. Each PR will contain a beautiful Changelog of all the changes in the update, like this:

The best way to use niv-updater-action is to set up a scheduled workflow. This way, whenever there are new updates, you will get a PR that you can just approve and avoid a lot of manual work.

Example

Here is an minimal example of what to put in your .github/workflows/niv-updates.yml file to trigger the action.

name: Automated niv-managed dependency updates
on:
  schedule:
    # * is a special character in YAML so you have to quote this string
    # run this every day at 4:00am
    - cron:  '0 4 * * *'
jobs:
  niv-updater:
    name: 'Create PRs for niv-managed dependencies'
    runs-on: ubuntu-latest
    steps:
      # notice there is no checkout step
      - name: niv-updater-action
        uses: knl/niv-updater-action@v9
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Configuration

Inputs

niv-updater-action is configured using the following inputs:

pull_request_base: (Optional) The name of the branch to issue the pull request against. In addition, the name of the branch from which nix/sources.json is taken from as the base. Defaults to an empty string which means taking as the base the default branch for the repository.
sources_file: (Optional) The path in the repo to the sources.json file. This value will be passed to niv via --sources-file option. Defaults to nix/sources.json.
niv_version: (Optional) The niv version to be used. Defaults to master, meaning niv-updater-action will take the latest niv for each run. You may want to fix a particular version and avoid future breaks to your workflow.
branch_prefix: (Optional) The prefix used for update branches, created by this action. The action does not sanitize the branch name. For a description of what a valid branch name is, please consult: https://mirrors.edge.kernel.org/pub/software/scm/git/docs/git-check-ref-format.html. Defaults to "update/".
keep_updating: (Optional) If PR already exists, keep it updated with new changes. The branch will be force updated, as this process keeps a single commit on a branch. Defaults to false to maintain the old behaviour.
skip_versioned_revisions: (Optional, a boolean) If true, will cause the action to skip updating any dependency that has a version in their revision. This is due to the way niv currently works, where it will always update to the latest HEAD of a branch. Thus, if one have a dependency where, for example, rev=v1.0.0, niv would normally update it to the latest head of the branch, making rev holding the appropriate SHA. This is something one would not normally expect. Thus, this option exists until niv fixes the behaviour. Defaults to true.
skip_ssh_repos: (Optional, a boolean) If true, will cause the action to skip updating any dependency that is hosted by a repo accessible via ssh. Defaults to false.
whitelist: (Optional) A list of dependencies, comma separated, that will be checked for updates. This list will be checked before the blacklist. Defaults to an empty string, which is a special case for looking into all dependencies tracked by niv.
blacklist: (Optional) A list of dependencies, comma separated, to skip from updating. This list will be checked after the whitelist. Defaults to an empty string, which means all dependencies will be checked for updates.
labels: (Optional) A list of labels, newline separated, to apply to all created PRs. Defaults to an empty string, meaning no labels will be applied. The list has to be newline separated (use YAML’s | block), as GitHub allows various characters in the label’s name, except the newline.
show_merges: (Optional, a boolean) If true, the changelog will contain merge commits listed. Otherwise, they will be skipped (however, the commits from the PRs/branches will shown). Defaults to false.
message_prefix: (Optional) The text that will be put in front of the generated changelog. Defaults to empty.
message_suffix: (Optional) The text that will be put in after the generated changelog. Defaults to empty.
title_prefix: (Optional) The text that will be put in front of the generated commit title. Defaults to empty.
github_changelog_no_backreferences: (Optional, a boolean) If true, the changelog will transform all issue links to links via a redirector (DuckDuckGo), to prevent GitHub from backreferencing the created PR in these issues. For more details, see Issue #26. Defaults to true.
debug_output: (Optional, a boolean) If true, set -x will be turned on for the updater script, outputing every step the action takes. This will show up in the action log, and could be useful for trying to reproduce issues locally. Defaults to false.

As the above list suggests, niv-updater-action is highly configurable. The following example exposes some of the nobs, many with their default values:

name: Automated niv-managed dependency updates
on:
  schedule:
    # * is a special character in YAML so you have to quote this string
    # run this every day at 4:00am
    - cron:  '0 4 * * *'
jobs:
  niv-updater:
    name: 'Create PRs for niv-managed dependencies'
    runs-on: ubuntu-latest
    steps:
      # notice there is no checkout step
      - name: niv-updater-action
        uses: knl/niv-updater-action@v9
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          # NOTE: All inputs are optional. This list them with their default values.
          # Use the default branch for the repository
          pull_request_base: ''
          # The path in the repo to the sources.json file
          sources_file: 'nix/sources.json'
          # The niv version to use. `master` will track the latest niv.
          niv_version: 'master'
          # Keep the PR updated with new changes
          keep_updating: true
          # The prefix to add to every created branch
          branch_prefix: 'update/'
          # Update all dependencies tracked by niv. Another example: 'common,jq,hub'
          whitelist: ''
          # Do not blacklist any of the dependencies. Another example: 'nixpkgs,niv'
          blacklist: ''
          # Note that | is really important for the labels
          labels: |
            documentation
            good first issue
          # Have some prefix and a suffix. Use '|' to keep newlines
          message_prefix: |
            ## Motivation

            Dependencies should be up to date.
          message_suffix:
            Notify @myorg/myteam.
          # Have a prefix to the commit title itself, for example, to support conventional commits.
          title_prefix: refactor:

Secrets

Secrets are similar to inputs except that they are encrypted and only used by GitHub Actions. It’s a convenient way to keep sensitive data out of the GitHub Actions workflow YAML file.

GITHUB_TOKEN - (Required) The GitHub API token used to create pull requests and get content from all repositories tracked by niv.

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niv-updater-action's Introduction

niv-updater: Automated dependency updates with niv

Example

Configuration

Inputs

Secrets

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