sccache sudo

.github/workflows/main.yml

@@ -212,6 +212,7 @@ jobs:
 
       - name: Setup sccache as root
         run: ./dev/ci/setup-sccache
+        timeout-minutes: 1
         env:
           SUDO: true
           SCCACHE_LOG: trace

dev/ci/setup-sccache

@@ -13,6 +13,7 @@ if [[ -z "$SCCACHE_AZURE_CONNECTION_STRING" ]]; then
     exit 1
 fi
 
+SCCACHE_LOG=${SCCACHE_LOG:-info} # set to 'debug' or 'trace' for more verbose logging
 SUDO=${SUDO:-false}
 
 
@@ -63,10 +64,8 @@ fi
 
 ## Start sccache server.
 
-## Uncomment this to have the sccache server write debug logs to sccache.log.
-# export SCCACHE_LOG=debug
-
-echo -n > sccache.log
+rm -f sccache.log
+export SCCACHE_LOG
 export SCCACHE_ERROR_LOG="$(pwd)/sccache.log"
 echo "SCCACHE_ERROR_LOG=$SCCACHE_ERROR_LOG" >> "$GITHUB_ENV"
 
@@ -76,8 +75,10 @@ else
     env SCCACHE_START_SERVER=1 sccache
 fi
 
+set +x
 echo "Waiting until sccache server is started..."
-while [[ -z "$(cat sccache.log)" ]]; do
+while [[ ! -e sccache.log ]]; do
     sleep 0.1
 done
+sleep 0.5
 echo "sccache server is started."