Add pre-commit config and associated workflow

.Rbuildignore

@@ -1,9 +1,10 @@
-^rmcmc\.Rproj$
-^\.Rproj\.user$
+^.lintr$
 ^LICENSE\.md$
 ^README\.Rmd$
+^\.Rproj\.user$
 ^\.github$
+^\.pre-commit-config\.yaml$
 ^_pkgdown\.yml$
 ^docs$
 ^pkgdown$
-^.lintr$
+^rmcmc\.Rproj$

.github/workflows/pre-commit.yaml

@@ -0,0 +1,55 @@
+name: pre-commit
+on:
+  push:
+    branches-ignore:
+      - 'master'
+      - 'main'
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-18.04
+    if: >-
+      !contains(github.event.head_commit.message, 'ci skip') &&
+      (
+        startsWith(github.ref, 'refs/heads') ||
+        github.event.pull_request.draft == false
+      )
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Install system dependencies
+        if: runner.os == 'Linux'
+        run: |
+          # your system installation code here
+          # sudo apt-get install -y libcurl4-openssl-dev
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.8"
+          architecture: "x64"
+      - name: Run pre-commit
+        uses: pre-commit/[email protected]
+      - name: Commit files
+        if: failure() && startsWith(github.ref, 'refs/heads')
+        run: |
+          if [[ `git status --porcelain --untracked-files=no` ]]; then
+            git config --local user.email "github-actions[bot]@users.noreply.github.com"
+            git config --local user.name "github-actions[bot]"
+            git checkout -- .github/workflows
+            git commit -m "pre-commit" -a
+          fi
+      - name: Push changes
+        if: failure() && startsWith(github.ref, 'refs/heads')
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          branch: ${{ github.ref }}
+    env:
+      RENV_CONFIG_CACHE_ENABLED: FALSE

.pre-commit-config.yaml

@@ -0,0 +1,51 @@
+# All available hooks: https://pre-commit.com/hooks.html
+# R specific hooks: https://github.com/lorenzwalthert/precommit
+repos:
+-   repo: https://github.com/lorenzwalthert/precommit
+    rev: v0.4.3
+    hooks:
+    -   id: style-files
+        args: [--style_pkg=styler, --style_fun=tidyverse_style]
+    -   id: roxygenize
+        # roxygen requires loading pkg -> add dependencies from DESCRIPTION
+        additional_dependencies:
+        -    Matrix
+        -    rlang
+        -    withr
+    -   id: use-tidy-description
+    # disable lintr hook pending resolution of 
+    # https://github.com/lorenzwalthert/precommit/issues/440
+    # -   id: lintr
+    -   id: readme-rmd-rendered
+    -   id: parsable-R
+    -   id: no-browser-statement
+    -   id: no-print-statement
+    -   id: no-debug-statement
+    -   id: deps-in-desc
+    -   id: pkgdown
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.6.0
+    hooks:
+    -   id: check-added-large-files
+        args: ['--maxkb=200']
+    -   id: file-contents-sorter
+        files: '^\.Rbuildignore$'
+    -   id: end-of-file-fixer
+        exclude: '\.Rd'
+-   repo: https://github.com/pre-commit-ci/pre-commit-ci-config
+    rev: v1.6.1
+    hooks:
+    # Only required when https://pre-commit.ci is used for config validation
+    -   id: check-pre-commit-ci-config
+-   repo: local
+    hooks:
+    -   id: forbid-to-commit
+        name: Don't commit common R artifacts
+        entry: Cannot commit .Rhistory, .RData, .Rds or .rds.
+        language: fail
+        files: '\.(Rhistory|RData|Rds|rds)$'
+        # `exclude: <regex>` to allow committing specific files
+
+ci:
+    autoupdate_schedule: monthly
+    skip: [pkgdown]