update-citation.yml

name: Update Citation Files

on:
  push:
    paths:
      - "DESCRIPTION"
  workflow_dispatch:

jobs:
  update-citation:
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up R
        uses: r-lib/actions/setup-r@v2

      - name: Install dependencies
        run: |
          Rscript -e 'install.packages(c("usethis", "cffr", "desc"))'

      - name: Update inst/CITATION
        run: |
          Rscript -e '
          library(desc);
          # Read package metadata
          package_title <- desc::desc_get("Title")
          authors <- desc::desc_get("Authors@R")
          version <- desc::desc_get("Version")
          url <- desc::desc_get("URL")
          year <- format(Sys.Date(), "%Y")  # Get current year

          # Generate citation content dynamically
          citation_text <- sprintf("citHeader(\"To cite this package, use:\")\n\n
          bibentry(\n
            bibtype = \"Manual\",\n
            title = \"%s\",\n
            author = %s,\n
            year = \"%s\",\n
            note = \"R package version %s\",\n
            url = \"%s\"
          )", package_title, authors, year, version, url)

          # Write the updated citation file
          writeLines(citation_text, "inst/CITATION")'


      - name: Update CITATION.cff
        run: |
          Rscript -e 'cffr::cff_write()'

      - name: Commit and Push if Changed
        run: |
          git config --global user.name "github-actions"
          git config --global user.email "github-actions@github.com"
          git add inst/CITATION CITATION.cff
          git commit -m "Auto-update citation files" || echo "No changes to commit"
          git push