Setup binary package repository for different platforms

action.yaml

@@ -49,6 +49,11 @@ inputs:
     description: Maximum number of iterations to resolve dependencies.
     required: false
     default: 10
+  repository-list:
+    description: |
+      Comma-separated list of pkgcache-compatible repository names from which the dependencies will be downloaded.
+    required: false
+    default: "PPM@latest"
 
 branding:
   icon: 'download'
@@ -83,8 +88,19 @@ runs:
         any::pkgdepends
         any::cli
         any::desc
+        any::pkgcache
       install-pandoc: false
 
+  - name: Set repositories
+    run: |
+      cat > ${HOME}/.Rprofile <<EOF
+      repository_list <- unlist(strsplit(
+        "${{ inputs.repository-list }}", split=","
+      ))
+      options(repos = unique(c(vapply(repository_list, pkgcache::repo_resolve, character(1)), getOption("repos"))))
+      EOF
+    shell: bash
+
   - name: Prepare utils
     id: utils
     shell: Rscript {0}
@@ -346,21 +362,6 @@ runs:
     shell: bash
     run: rm utils.R
 
-  - name: Set repositories
-    run: |
-      OS_CODENAME=$(lsb_release --codename --short | tail -1)
-      cat > ${HOME}/.Rprofile <<EOF
-      options(
-        repos = c(
-          RSPM = "https://packagemanager.posit.co/cran/__linux__/${OS_CODENAME}/latest",
-          CRAN = "https://packagemanager.posit.co/cran/__linux__/${OS_CODENAME}/latest"
-        )
-      )
-      EOF
-      echo "Repositories written to ${HOME}/.Rprofile:"
-      cat ${HOME}/.Rprofile
-    shell: bash
-
   - uses: r-lib/actions/setup-r-dependencies@v2
     if: ${{ inputs.skip-install == 'false' }}
     with: