Ryddet i lintr-action (#45)

Bruk ubuntu + en del forenklinger

Den vil ikke feile ved lintr-feil. Fikser det senere.

.github/workflows/lint.yaml

@@ -1,44 +1,32 @@
 on:
   push:
     branches:
-      - clean-up
+      - main
   pull_request:
     branches:
       - main
 
-name: lint
+name: lintr
 
 jobs:
   lint:
-    runs-on: macOS-latest
+    runs-on: ubuntu-latest
     env:
-      GITHUB_PAT: ${{ secrets.GT }}
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-r@v2
-
-      - name: Query dependencies
-        run: |
-          install.packages('remotes')
-          saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
-          writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
-        shell: Rscript {0}
-
-      - name: Cache R packages
-        uses: actions/cache@v4
         with:
-          path: ${{ env.R_LIBS_USER }}
-          key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
-          restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-
+          use-public-rspm: true
 
-      - name: Install dependencies
-        run: |
-          install.packages(c("remotes"))
-          remotes::install_deps(dependencies = TRUE)
-          remotes::install_cran("lintr")
-        shell: Rscript {0}
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::lintr, local::.
+          needs: lint
 
       - name: Lint
         run: lintr::lint_package()
         shell: Rscript {0}
+        env:
+          LINTR_ERROR_ON_LINT: false