chg: unindent code for cosmetic reasons !minor

bin/compose

@@ -1804,39 +1804,39 @@ _get_master_charm_for_service_cached () {
         die "Charm $DARKYELLOW$charm$NORMAL is a subordinate but does not have any 'requires' " \
             "section."
     fi
-    master_charm=
+    found=
     while read-0 relation_name relation; do
-        if [ "$(echo "$relation" | shyaml get-value "scope" 2>/dev/null)" == "container" ]; then
-            # debug "$DARKYELLOW$service$NORMAL's relation" \
-            #       "$DARKBLUE${relation_name}$NORMAL is a container."
-            interface="$(echo "$relation" | shyaml get-value "interface" 2>/dev/null)"
-            if [ -z "$interface" ]; then
-                err "No ${WHITE}$interface${NORMAL} set for relation $relation_name."
-                return 1
-            fi
-
-            ## Action provided by relation ?
-
-            target_service=
-            while read-0 relation_name candidate_target_service _relation_config _tech_dep; do
-                [ "$interface" == "$relation_name" ] && {
-                    target_service="$candidate_target_service"
-                    break
-                }
-            done < <(get_compose_relations "$service")
-            if [ -z "$target_service" ]; then
-                err "Couldn't find ${WHITE}relations.$interface${NORMAL} in" \
-                    "${DARKYELLOW}$service$NORMAL compose definition."
-                return 1
-            fi
-            master_charm=$(get_service_charm "$target_service") || return 1
+        [ "$(echo "$relation" | shyaml get-value "scope" 2>/dev/null)" == "container" ] && {
+            found=1
             break
-        fi
+        }
     done < <(echo "$requires" | shyaml key-values-0 2>/dev/null)
-    if [ -z "$master_charm" ]; then
-        die "Charm $DARKYELLOW$charm$NORMAL is a subordinate but does not have any relation with" \
+    if [ -z "$found" ]; then
+        die "Charm $DARKYELLOW$charm$NORMAL is a subordinate but does not have any required relation declaration with" \
             " ${WHITE}scope${NORMAL} set to 'container'."
     fi
+
+    interface="$(echo "$relation" | shyaml get-value "interface" 2>/dev/null)"
+    if [ -z "$interface" ]; then
+        err "No ${WHITE}interface${NORMAL} set for relation $DARKBLUE$relation_name$NORMAL."
+        return 1
+    fi
+
+    ## Action provided by relation ?
+
+    found=
+    while read-0 relation_name target_service _relation_config _tech_dep; do
+        [ "$interface" == "$relation_name" ] && {
+            found=1
+            break
+        }
+    done < <(get_compose_relations "$service")
+    if [ -z "$found" ]; then
+        err "Couldn't find ${WHITE}relations.$interface${NORMAL} in" \
+            "${DARKYELLOW}$service$NORMAL compose definition."
+        return 1
+    fi
+    master_charm=$(get_service_charm "$target_service") || return 1
     echo "$master_charm" | tee "$cache_file"
 }
 export -f _get_master_charm_for_service_cached