GitHub Actions: cache required R packages (#534)

datacarpentry · Jan 8, 2021 · 2cd3c9c · 2cd3c9c
1 parent 951140e
commit 2cd3c9c
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Showing 2 changed files with 10 additions and 9 deletions.
diff --git a/.github/workflows/template.yml b/.github/workflows/template.yml
@@ -96,7 +96,7 @@ jobs:
       - name: Install needed packages
         if: steps.check-rmd.outputs.count != 0
         run: |
-          install.packages(c('remotes', 'rprojroot', 'renv', 'desc', 'rmarkdown', 'knitr'))
+          install.packages(setdiff(c('remotes', 'rprojroot', 'renv', 'desc', 'rmarkdown', 'knitr'), rownames(installed.packages())))
         shell: Rscript {0}
 
       - name: Query dependencies

diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
@@ -51,10 +51,18 @@ jobs:
         with:
           r-version: 'release'
 
+      - name: Cache R packages
+        if: steps.check-rmd.outputs.count != 0
+        uses: actions/cache@v1
+        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-
+
       - name: Install needed packages
         if: steps.check-rmd.outputs.count != 0
         run: |
-          install.packages(c('remotes', 'rprojroot', 'renv', 'desc', 'rmarkdown', 'knitr'))
+          install.packages(setdiff(c('remotes', 'rprojroot', 'renv', 'desc', 'rmarkdown', 'knitr'), rownames(installed.packages()))
         shell: Rscript {0}
 
       - name: Query dependencies
@@ -67,13 +75,6 @@ jobs:
           writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
         shell: Rscript {0}
 
-      - name: Cache R packages
-        if: steps.check-rmd.outputs.count != 0
-        uses: actions/cache@v1
-        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-
 
       - name: Install system dependencies for R packages
         if: steps.check-rmd.outputs.count != 0