hardfork > create_runtime_config.sh: improve jq expression readability

Author: glyh

scripts/hardfork/create_runtime_config.sh

@@ -35,33 +35,38 @@ SLOT=$((DIFFERENCE_IN_SLOTS+OFFSET))
 # jq expression below could be written with less code,
 # but we aimed for maximum verbosity
 
-jq "{\
-    genesis: {\
-        genesis_state_timestamp: \"$GENESIS_TIMESTAMP\"\
-    },\
-    proof: {\
-        fork: {\
-            state_hash: .proof.fork.state_hash,\
-            blockchain_length: .proof.fork.blockchain_length,\
-            global_slot_since_genesis: $SLOT,\
-        },\
-    },\
-    ledger: {\
-        add_genesis_winner: false,\
-        hash: \$hashes[0].ledger.hash,\
-        s3_data_hash: \$hashes[0].ledger.s3_data_hash\
-    },\
-    epoch_data: {\
-        staking: {\
-            seed: .epoch_data.staking.seed,\
-            hash: \$hashes[0].epoch_data.staking.hash,\
-            s3_data_hash: \$hashes[0].epoch_data.staking.s3_data_hash\
-        },\
-        next: {\
-            seed: .epoch_data.next.seed,\
-            hash: \$hashes[0].epoch_data.next.hash,\
-            s3_data_hash: \$hashes[0].epoch_data.next.s3_data_hash\
-        }\
-    }\
-  }" -M \
-  --slurpfile hashes "$LEDGER_HASHES_JSON" "$FORK_CONFIG_JSON"
+jq -M \
+  --arg genesis_timestamp "$GENESIS_TIMESTAMP" \
+  --argjson slot "$SLOT" \
+  --slurpfile hashes "$LEDGER_HASHES_JSON" \
+  '
+  {
+    genesis: {
+      genesis_state_timestamp: $genesis_timestamp
+    },
+    proof: {
+      fork: {
+        state_hash: .proof.fork.state_hash,
+        blockchain_length: .proof.fork.blockchain_length,
+        global_slot_since_genesis: $slot
+      }
+    },
+    ledger: {
+      add_genesis_winner: false,
+      hash: $hashes[0].ledger.hash,
+      s3_data_hash: $hashes[0].ledger.s3_data_hash
+    },
+    epoch_data: {
+      staking: {
+        seed: .epoch_data.staking.seed,
+        hash: $hashes[0].epoch_data.staking.hash,
+        s3_data_hash: $hashes[0].epoch_data.staking.s3_data_hash
+      },
+      next: {
+        seed: .epoch_data.next.seed,
+        hash: $hashes[0].epoch_data.next.hash,
+        s3_data_hash: $hashes[0].epoch_data.next.s3_data_hash
+      }
+    }
+  }
+  ' "$FORK_CONFIG_JSON"