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package progressui
import (
"os"
"runtime"
"strconv"
"github.com/morikuni/aec"
)
var colorRun aec.ANSI
var colorCancel aec.ANSI
var colorWarning aec.ANSI
var colorError aec.ANSI
const termHeightMin = 6
var termHeightInitial = termHeightMin
var termHeight = termHeightMin
func init() {
// As recommended on https://no-color.org/
if v := os.Getenv("NO_COLOR"); v != "" {
// nil values will result in no ANSI color codes being emitted.
return
} else if runtime.GOOS == "windows" {
colorRun = termColorMap["cyan"]
colorCancel = termColorMap["yellow"]
colorWarning = termColorMap["yellow"]
colorError = termColorMap["red"]
} else {
colorRun = termColorMap["blue"]
colorCancel = termColorMap["yellow"]
colorWarning = termColorMap["yellow"]
colorError = termColorMap["red"]
}
// Loosely based on the standard set by Linux LS_COLORS.
if _, ok := os.LookupEnv("BUILDKIT_COLORS"); ok {
envColorString := os.Getenv("BUILDKIT_COLORS")
setUserDefinedTermColors(envColorString)
}
// Make the terminal height configurable at runtime.
termHeightStr := os.Getenv("BUILDKIT_TTY_LOG_LINES")
if termHeightStr != "" {
termHeightVal, err := strconv.Atoi(termHeightStr)
if err == nil && termHeightVal > 0 {
termHeightInitial = termHeightVal
termHeight = termHeightVal
}
}
}
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