README: document updating specific inputs

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Cole Helbling 2021-11-29 11:25:09 -08:00 committed by Cole Helbling
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@ -30,6 +30,36 @@ jobs:
uses: DeterminateSystems/update-flake-lock@v3 uses: DeterminateSystems/update-flake-lock@v3
``` ```
## Example updating specific input(s)
> **NOTE**: If any inputs have a stale reference (e.g. the lockfile thinks a git input wants its "ref" to be "nixos-unstable", but the flake.nix specifies "nixos-unstable-small"), they will also be updated. At this time, there is no known workaround.
It is also possible to update specific inputs by specifying them in a space-separated list:
```yaml
name: update-flake-lock
on:
workflow_dispatch: # allows manual triggering
schedule:
- cron: '0 0 * * 0' # runs weekly on Sunday at 00:00
jobs:
lockfile:
runs-on: ubuntu-latest
steps:
- name: Checkout repository
uses: actions/checkout@v2
- name: Install Nix
uses: cachix/install-nix-action@v16
with:
extra_nix_config: |
access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
- name: Update flake.lock
uses: DeterminateSystems/update-flake-lock@vX
with:
inputs: input1 input2 input3
```
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