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由 Pino Toscano 提交于
Since colors would be used when writing to stdout, then check that stdout is a TTY, instead of stdin. This avoids the usage of terminal color codes when the output is directed to file.
ef5c8a91
Since colors would be used when writing to stdout, then check that stdout is a TTY, instead of stdin. This avoids the usage of terminal color codes when the output is directed to file.