mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-28 03:10:29 +00:00
72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package build
|
|
|
|
import (
|
|
//"bytes"
|
|
"fmt"
|
|
"io"
|
|
|
|
"strings"
|
|
)
|
|
|
|
var (
|
|
// the prefix used to determine if this is
|
|
// data that should be stripped from the output
|
|
prefix = []byte("#DRONE:")
|
|
|
|
// default limit to use when streaming build output.
|
|
DefaultLimit = 2000000
|
|
)
|
|
|
|
// custom writer to intercept the build
|
|
// output
|
|
type writer struct {
|
|
io.Writer
|
|
|
|
length int
|
|
}
|
|
|
|
// Write appends the contents of p to the buffer. It will
|
|
// scan for DRONE special formatting codes embedded in the
|
|
// output, and will alter the output accordingly.
|
|
func (w *writer) Write(p []byte) (n int, err error) {
|
|
|
|
// ensure we haven't exceeded the limit
|
|
if w.length > DefaultLimit {
|
|
w.Writer.Write([]byte("Truncating build output ..."))
|
|
return len(p), nil
|
|
}
|
|
|
|
// track the number of bytes written to the
|
|
// buffer so that we can limit it.
|
|
w.length += len(p)
|
|
|
|
lines := strings.Split(string(p), "\n")
|
|
for i, line := range lines {
|
|
|
|
if strings.HasPrefix(line, "#DRONE:") {
|
|
var cmd string
|
|
|
|
// extract the command (base16 encoded)
|
|
// from the output
|
|
fmt.Sscanf(line[7:], "%x", &cmd)
|
|
|
|
// echo the decoded command
|
|
cmd = fmt.Sprintf("$ %s", cmd)
|
|
w.Writer.Write([]byte(cmd))
|
|
|
|
} else {
|
|
w.Writer.Write([]byte(line))
|
|
}
|
|
|
|
if i < len(lines)-1 {
|
|
w.Writer.Write([]byte("\n"))
|
|
}
|
|
}
|
|
|
|
return len(p), nil
|
|
}
|
|
|
|
// WriteString appends the contents of s to the buffer.
|
|
func (w *writer) WriteString(s string) (n int, err error) {
|
|
return w.Write([]byte(s))
|
|
}
|