variables:
- group: GH
- name: R_LIBS_USER
  value: '$(Agent.BuildDirectory)/R/library'

pool:
  vmImage: 'ubuntu-latest'

container: $[variables['rockerImage']]

steps:
- bash: |
    export CLOUDYR_REPO=$(echo $(Build.Repository.Name) | sed "s/Azure/cloudyr/")
    git push --prune https://$(ghPat)@github.com/$CLOUDYR_REPO +refs/remotes/origin/*:refs/heads/* +refs/tags/*:refs/tags/*
  displayName: 'Copy to Cloudyr'
  condition: eq(variables['Build.SourceBranch'], 'refs/heads/master')

- bash: |
    echo "options(repos = '$(cranRepo)')" > ~/.Rprofile
    echo ".libPaths(c('$R_LIBS_USER', .libPaths()))" >> ~/.Rprofile
    mkdir -p $R_LIBS_USER
  displayName: 'Setup R library directory'

- task: CacheBeta@0
  inputs:
    key: ./DESCRIPTION | "$(rockerImage)" | "$(cranRepo)"
    path: $(R_LIBS_USER)
  displayName: 'Caching packages'

- bash: |
    Rscript -e "pkgs <- c('remotes', 'rcmdcheck', 'drat'); if(length(find.package(pkgs, quiet=TRUE)) != length(pkgs)) install.packages(pkgs)"
    Rscript -e "remotes::install_deps(dependencies=TRUE)"
  displayName: 'Installing package dependencies'

- bash: |
    Rscript -e "f <- pkgbuild::build(dest_path='$(Build.ArtifactStagingDirectory)'); rcmdcheck::rcmdcheck(f, args='--no-manual', error_on='warning', check_dir='check')"
  displayName: 'Checking package'

- bash: |
    export PKGBUILD_GZ=$(ls $(Build.ArtifactStagingDirectory)/*.gz)
    mkdir drat
    cd drat
    git init
    git config user.email "dummy@example.com"
    git config user.name "Azure Pipelines"
    git remote add upstream "https://$(ghPat)@github.com/cloudyr/cloudyr.github.io.git"
    git fetch upstream
    git checkout master
    Rscript -e "drat::insertPackage('$PKGBUILD_GZ', repodir='./drat')"
    git add --all
    git commit -m "add $PKGBUILD_GZ (build $(Build.BuildId))"
    git push
  displayName: 'Update Cloudyr drat'
  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))