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fix: replace update-flake-lock to drop Node.js 20 sub-actions #3

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Merged
otavio merged 1 commit into from
Jun 15, 2026
Merged

fix: replace update-flake-lock to drop Node.js 20 sub-actions #3

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48 changes: 42 additions & 6 deletions update-flake/action.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,14 @@ inputs:
default: |
dependencies
automated
pr-title:
description: "Title of the PR, and the flake.lock commit summary."
required: false
default: "Update flake.lock"
pr-branch:
description: "Head branch the action pushes the update PR to."
required: false
default: "update_flake_lock_action"
auto-merge:
description: '"true" to enable PR auto-merge after creation.'
required: false
Expand Down Expand Up @@ -97,16 +105,44 @@ runs:

- name: Update flake.lock
id: update
uses: DeterminateSystems/update-flake-lock@v28
shell: bash
env:
PR_TITLE: ${{ inputs.pr-title }}
run: |
git config user.name "github-actions[bot]"
git config user.email "github-actions[bot]@users.noreply.github.com"
tip="$(git rev-parse HEAD)"
nix flake update --commit-lock-file \
--commit-lock-file-summary "$PR_TITLE"
if [ "$tip" != "$(git rev-parse HEAD)" ]; then
# Grab Nix's per-input changelog from its commit, then unwind it so
# create-pull-request makes the real commit/branch/author.
{
echo "updated=true"
echo "body<<__NIX_BODY_EOF__"
git log -1 --format=%b
echo "__NIX_BODY_EOF__"
} >> "$GITHUB_OUTPUT"
git reset --soft "$tip"
fi

- name: Create PR
id: create-pr
if: steps.update.outputs.updated == 'true'
uses: peter-evans/create-pull-request@v8
with:
token: ${{ steps.app-token.outputs.token || github.token }}
pr-title: "Update flake.lock"
pr-labels: ${{ inputs.pr-labels }}
pr-reviewers: ${{ inputs.reviewers }}
base: ${{ inputs.base-branch }}
branch: ${{ inputs.pr-branch }}
delete-branch: true
title: ${{ inputs.pr-title }}
body: ${{ steps.update.outputs.body }}
labels: ${{ inputs.pr-labels }}
reviewers: ${{ inputs.reviewers }}

- name: Auto merge
if: inputs.auto-merge == 'true' && steps.update.outputs.pull-request-number != ''
if: inputs.auto-merge == 'true' && steps.create-pr.outputs.pull-request-number != ''
shell: bash
run: gh pr merge --auto --${{ inputs.merge-method }} ${{ steps.update.outputs.pull-request-number }}
run: gh pr merge --auto --${{ inputs.merge-method }} ${{ steps.create-pr.outputs.pull-request-number }}
env:
GH_TOKEN: ${{ steps.app-token.outputs.token || github.token }}