[bryangingechen]

bump/* branches now live in mathlib4 rather than mathlib4-nightly-testing. PRs into them, such as the downstream-lean4 export in #45345, depend on the nightly-testing branches of our dependencies. The "validate lake-manifest.json inputRevs" step in build_template.yml runs on these branches and fails them, though it used to be skipped when the branches were in the nightly-testing repo.

This PR skips the validation step when either of these starts with bump/:

• github.ref_name: pushes to bump/* branches, including the automation's bump/nightly-* branches.
• github.base_ref: PRs into a bump/* branch, from any repo.
  (Note that head_ref is not read, so a PR from a branch starting with bump/ can't get around this.)

Not covered: a non-bump/* branch pushed to mathlib4 with a PR into a bump branch. Push builds can't see the PR's base, so the check still runs there. (No one should be creating such branches and we have branch protection rules against this.)

🤖 Generated with Claude Code

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Note: the base branch has to come from github.base_ref: under pull_request_target, github.ref is now always the default branch. The #45345 run logs REF: refs/heads/master.

[github-actions]

PR summary e3b58ca9e7

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff (regex)

No declarations were harmed in the making of this PR! 🐙

You can run this locally as follows

## from your `mathlib4` directory:
git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci

## summary with just the declaration names:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh in the mathlib-ci repository contains some details about this script.

Declarations diff (Lean -- pending)

Computed after the build finishes.

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No changes to strong technical debt.
No changes to weak technical debt.

Current commit e3b58ca9e7
Reference commit 02b1c3bc13

This script lives in the mathlib-ci repository. To run it locally, from your mathlib4 directory:

git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci
../mathlib-ci/scripts/reporting/technical-debt-metrics.py pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

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⚠️ Workflow documentation reminder

This PR modifies files under .github/workflows/.
Please update docs/workflows.md if the workflow inventory, triggers, or behavior changed.

Modified workflow files:

• .github/workflows/build_template.yml

[j-loreaux]

bors merge

[mathlib-bors]

Pull request successfully merged into master.

Build succeeded:

• ci (staging) / Build
• ci (staging) / Lint style
• ci (staging) / Post-Build Step
• ci (staging) / Test and lint
• ci (staging) / Post-CI job