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Add more self-explanatory usage message #201

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Add more self-explanatory usage message #201

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9f0ac99
Add more self-explanatory usage message
roncapat Jan 4, 2017
49f2dcc
Fix typo
roncapat Jan 4, 2017
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8 changes: 8 additions & 0 deletions src/arduino.cc/arduino-builder/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,15 @@ var loggerFlag *string
var versionFlag *bool
var vidPidFlag *string

var Usage = func(){
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
fmt.Fprintf(os.Stderr, "\n\tarduino_builder -hardware <hardware_dir> -tools <tools_dir> -fqbn <family:arch:model> [options] sketch_to_Compile\n\n")
fmt.Fprintf(os.Stderr, "Available flags:\n")
flag.PrintDefaults()
}

func init() {
flag.Usage = Usage
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@roncapat roncapat Jan 4, 2017 •
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This is needed to substitute the default flag.Usage() behaviour with a custom one (defined above), which declaration was taken directly from here, and edited as needed.

compileFlag = flag.Bool(FLAG_ACTION_COMPILE, false, "compiles the given sketch")
preprocessFlag = flag.Bool(FLAG_ACTION_PREPROCESS, false, "preprocess the given sketch")
dumpPrefsFlag = flag.Bool(FLAG_ACTION_DUMP_PREFS, false, "dumps build properties used when compiling")
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