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ci: auto-update the macros submodule via Dependabot #117

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d-morrison merged 2 commits into from
Jun 20, 2026
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ci: auto-update the macros submodule via Dependabot #117

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ci: auto-update git submodule via Dependabot (gitsubmodule)
claude Jun 20, 2026
e41a2bb
ci: clarify Dependabot tracks the submodule's default branch
claude Jun 20, 2026
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16 changes: 16 additions & 0 deletions .github/dependabot.yml
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# Keep git submodules up to date automatically.
#
# This template embeds the shared `macros` repo as a git submodule. Dependabot's
# `gitsubmodule` updater opens a PR whenever a submodule's default branch
# (currently `main`) advances, so neither this template nor the books generated
# from it have to bump the pointer by hand. See the ADR at d-morrison/macros
# (docs/adr/0001-macros-submodule-versioning.md) for why we track `main` rather
# than a pinned release tag.
version: 2
updates:
- package-ecosystem: "gitsubmodule"
directory: "/"
schedule:
interval: "weekly"
commit-message:
prefix: "chore(submodule)"

@claude claude Bot Jun 20, 2026

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The repo's workflows use a number of third-party Actions at pinned major versions (actions/checkout@v4, r-lib/actions/setup-r@v2, quarto-dev/quarto-actions/setup@v2, etc.). Now that dependabot.yml exists, adding a github-actions ecosystem entry here is zero extra effort and keeps action pins current automatically:

Suggested change
prefix: "chore(submodule)"
commit-message:
prefix: "chore(submodule)"
- package-ecosystem: "github-actions"
directory: "/"
schedule:
interval: "weekly"
commit-message:
prefix: "chore(actions)"

Not a blocker — just a natural complement to the submodule entry.

@d-morrison d-morrison Jun 20, 2026

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Good idea, but I'm keeping this PR scoped to the submodule automation that was requested. A github-actions ecosystem entry is a separate (also reasonable) kind of update that would start opening action-bump PRs across this template and every repo generated from it, so it's worth deciding on deliberately rather than bundling it in here. Easy to add as a follow-up if you'd like it — the snippet above is exactly right.

Generated by Claude Code

@claude claude Bot Jun 20, 2026

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The gitsubmodule entry is correct. Since dependabot.yml now exists, adding a github-actions entry would also keep the workflow action pins current with zero extra maintenance cost:

Suggested change
prefix: "chore(submodule)"
commit-message:
prefix: "chore(submodule)"
- package-ecosystem: "github-actions"
directory: "/"
schedule:
interval: "weekly"
commit-message:
prefix: "chore(actions)"

Note: the two @HEAD pins in existing workflows (quarto-dev/quarto-actions/setup@HEAD, r-lib/actions/setup-r-dependencies@HEAD) are unversioned and Dependabot won't touch them — but it would bump all the @v2/@v4 pins, including resolving the mixed actions/checkout@v4 vs @v5 across workflows. Non-blocking.

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