fix: improve curl error handling in fetch_current_fom [code:qws] [system:RC_GH200]

Author: yoshifuminakamura

programs/qws/list.csv

@@ -3,7 +3,7 @@ system,mode,queue_group,nodes,numproc_node,nthreads,elapse
 #FugakuLN,native,small,1,1,1,0:10:00
 #FugakuCN,native,small,1,4,12,0:10:00
 #FugakuCN,native,small,2,4,12,0:10:00
-RC_GH200,native,dummy,1,1,12,0:10:00
+RC_GH200,native,dummy,1,1,72,0:10:00
 #RC_DGXS,native,dummy,1,1,20,0:10:00
 #RC_GENOA,native,dummy,1,1,96,0:10:00
 #MiyabiG,cross,debug-g,1,1,72,0:10:00

scripts/estimate_common.sh

@@ -107,9 +107,14 @@ fetch_current_fom() {
   fi
 
   local response
+  local curl_exit
+  set +e
   response=$(curl -sf -H "X-API-Key: ${RESULT_SERVER_KEY}" "$url")
-  if [[ $? -ne 0 || -z "$response" ]]; then
-    echo "ERROR: Failed to fetch Fugaku result for code=${code}, exp=${exp}" >&2
+  curl_exit=$?
+  set -e
+  if [[ $curl_exit -ne 0 || -z "$response" ]]; then
+    echo "ERROR: Failed to fetch Fugaku result for code=${code}, exp=${exp} (curl exit=$curl_exit)" >&2
+    echo "ERROR: URL was: ${url}" >&2
     exit 1
   fi