woodpecker/cli/exec/line.go

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package exec
import (
"fmt"
"os"
"strings"
"time"
)
// Identifies the type of line in the logs.
const (
LineStdout int = iota
LineStderr
LineExitCode
LineMetadata
LineProgress
)
// Line is a line of console output.
type Line struct {
Proc string `json:"proc,omitempty"`
Time int64 `json:"time,omitempty"`
Type int `json:"type,omitempty"`
Pos int `json:"pos,omitempty"`
Out string `json:"out,omitempty"`
}
// LineWriter sends logs to the client.
type LineWriter struct {
name string
num int
now time.Time
rep *strings.Replacer
lines []*Line
}
// NewLineWriter returns a new line reader.
func NewLineWriter(name string) *LineWriter {
w := new(LineWriter)
w.name = name
w.num = 0
w.now = time.Now().UTC()
return w
}
func (w *LineWriter) Write(p []byte) (n int, err error) {
out := string(p)
if w.rep != nil {
out = w.rep.Replace(out)
}
line := &Line{
Out: out,
Proc: w.name,
Pos: w.num,
Time: int64(time.Since(w.now).Seconds()),
Type: LineStdout,
}
fmt.Fprintf(os.Stderr, "[%s:L%d:%ds] %s", w.name, w.num, int64(time.Since(w.now).Seconds()), out)
w.num++
w.lines = append(w.lines, line)
return len(p), nil
}