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https://github.com/woodpecker-ci/woodpecker.git
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58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package build
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import (
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//"bytes"
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"fmt"
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"io"
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"strings"
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)
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var (
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// the prefix used to determine if this is
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// data that should be stripped from the output
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prefix = []byte("#DRONE:")
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)
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// custom writer to intercept the build
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// output
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type writer struct {
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io.Writer
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}
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// Write appends the contents of p to the buffer. It will
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// scan for DRONE special formatting codes embedded in the
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// output, and will alter the output accordingly.
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func (w *writer) Write(p []byte) (n int, err error) {
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lines := strings.Split(string(p), "\n")
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for i, line := range lines {
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if strings.HasPrefix(line, "#DRONE:") {
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var cmd string
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// extract the command (base16 encoded)
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// from the output
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fmt.Sscanf(line[7:], "%x", &cmd)
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// echo the decoded command
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cmd = fmt.Sprintf("$ %s", cmd)
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w.Writer.Write([]byte(cmd))
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} else {
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w.Writer.Write([]byte(line))
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}
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if i < len(lines)-1 {
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w.Writer.Write([]byte("\n"))
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}
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}
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return len(p), nil
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}
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// WriteString appends the contents of s to the buffer.
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func (w *writer) WriteString(s string) (n int, err error) {
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return w.Write([]byte(s))
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}
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