[GitHub] [arrow] assignUser commented on a diff in pull request #13556: ARROW-17021:[C++][R][CI] Enable use of sccache in crossbow WIP

[GitBox <gi...@apache.org>]

assignUser commented on code in PR #13556:
URL: https://github.com/apache/arrow/pull/13556#discussion_r923274369


##########
dev/tasks/r/github.packages.yml:
##########
@@ -280,10 +319,33 @@ jobs:
         with:
           install-r: false
       {{ macros.github_setup_local_r_repo(false, false)|indent }}
+      - name: Get sccache
+        shell: bash
+        run: |
+          SCCACHE_BUILD=unknown-linux-musl
+          SCCACHE_URL="https://github.com/mozilla/sccache/releases/download/v0.3.0/sccache-v0.3.0-x86_64-$SCCACHE_BUILD.tar.gz"
+
+          # Download archive and checksum
+          curl -L $SCCACHE_URL --output sccache.tar.gz
+          curl -L $SCCACHE_URL.sha256 --output sccache.tar.gz.sha256
+
+          SCCACHE_ARCHIVE=sccache.tar.gz
+          echo "$(cat $SCCACHE_ARCHIVE.sha256) $SCCACHE_ARCHIVE" | sha256sum --check --status
+
+          mkdir -p sccache
+          tar -xzvf $SCCACHE_ARCHIVE --strip-component=1 --directory sccache

Review Comment:
   Tested it, yes otherwise we get permission errors. See [here](https://github.com/ursacomputing/crossbow/runs/7388502640?check_suite_focus=true#step:6:1140)



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