github.com/maruel/nin@v0.0.0-20220112143044-f35891e3ce7e/debug_flags.go (about) 1 // Copyright 2012 Google Inc. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package nin 16 17 import ( 18 "fmt" 19 "os" 20 ) 21 22 // Debug contains debug functionality. 23 var Debug struct { 24 // Explaining enables debug print of reason while a command is run. 25 Explaining bool 26 // KeepDepfile enables keeping gcc-style dependency files. 27 KeepDepfile bool 28 // KeepRsp enables keeping response file after commands. 29 KeepRsp bool 30 } 31 32 func explain(f string, i ...interface{}) { 33 if Debug.Explaining { 34 fmt.Fprintf(os.Stderr, "ninja explain: "+f+"\n", i...) 35 } 36 }