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Only count known instructions as build steps

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stepN is only used in the log line, so if we only produce the log line
when there's a message, it should do the right thing.

If it's *not* a valid instruction, it gets a line as well, so there's no
reason to double up.
This commit is contained in:
Kevin Clark 2013-08-09 12:56:37 -07:00
parent 6178dc7f1b
commit 4ff649a4ea
1 changed files with 4 additions and 3 deletions
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7
buildfile.go
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@ -488,15 +488,16 @@ func (b *buildFile) Build(context io.Reader) (string, error) {
}
instruction := strings.ToLower(strings.Trim(tmp[0], " "))
arguments := strings.Trim(tmp[1], " ")
stepN += 1
// FIXME: only count known instructions as build steps
fmt.Fprintf(b.out, "Step %d : %s %s\n", stepN, strings.ToUpper(instruction), arguments)
method, exists := reflect.TypeOf(b).MethodByName("Cmd" + strings.ToUpper(instruction[:1]) + strings.ToLower(instruction[1:]))
if !exists {
fmt.Fprintf(b.out, "# Skipping unknown instruction %s\n", strings.ToUpper(instruction))
continue
}
stepN += 1
fmt.Fprintf(b.out, "Step %d : %s %s\n", stepN, strings.ToUpper(instruction), arguments)
ret := method.Func.Call([]reflect.Value{reflect.ValueOf(b), reflect.ValueOf(arguments)})[0].Interface()
if ret != nil {
return "", ret.(error)