kou commented on code in PR #14570:
URL: https://github.com/apache/arrow/pull/14570#discussion_r1014484160


##########
ci/scripts/install_sccache.sh:
##########
@@ -41,14 +41,23 @@ SCCACHE_ARCHIVE=sccache.tar.gz
 # Download archive and checksum
 curl -L $SCCACHE_URL --output $SCCACHE_ARCHIVE
 curl -L $SCCACHE_URL.sha256 --output $SCCACHE_ARCHIVE.sha256
+echo "  $SCCACHE_ARCHIVE" >> $SCCACHE_ARCHIVE.sha256
 
-echo "$(cat $SCCACHE_ARCHIVE.sha256) $SCCACHE_ARCHIVE" | sha256sum --check 
--status
+SHA_ARGS="--check --status"
+
+# Busybox sha256sum uses different flags
+if sha256sum --version 2>&1 | grep -q BusyBox; then
+  SHA_ARGS="-sc"
+fi
+
+sha256sum $SHA_ARGS $SCCACHE_ARCHIVE.sha256
 
 if [ ! -d $PREFIX ]; then
     mkdir -p $PREFIX
 fi
 
-tar -xzvf $SCCACHE_ARCHIVE --strip-component=1 --directory $PREFIX --wildcards 
sccache*/sccache* 
+# Extract only the sccache binary into $PREFIX and ignore README and LCIENSE

Review Comment:
   ```suggestion
   # Extract only the sccache binary into $PREFIX and ignore README and LCIENSE.
   # --wildcards doesn't work on busybox.
   ```



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