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// This file is part of the adequate Debian-native package, and is available
// under the Expat license. For the full terms please see debian/copyright.
package main
import (
"bufio"
"fmt"
"io"
"log"
"os"
"strings"
)
func tellDebconf(tags []string) {
dc := initDebconf()
const t = "adequate/error"
dc.tell(fmt.Sprintf("capb escape"))
dc.tell(fmt.Sprintf("FSET %s seen false", t))
ss := strings.Join(tags, "\\n")
if len(ss) > 1024*64 {
ss = fmt.Sprintf("Found too many policy violations to report " +
"via debconf. Please run instead manually: adequate --all")
}
dc.tell(fmt.Sprintf("SUBST %s tags %s", t, ss))
dc.tell("TITLE adequate found packaging bugs")
dc.tell(fmt.Sprintf("INPUT critical %s", t))
dc.tell("GO")
if err := dc.stop(); err != nil {
log.Fatalf("debconf communication failed: %v\n", err)
}
}
type debconfCommunicator struct {
writer io.WriteCloser
reader *bufio.Reader
err error
}
func initDebconf() *debconfCommunicator {
return &debconfCommunicator{
reader: bufio.NewReader(os.Stdin),
writer: os.Stdout,
}
}
func (d *debconfCommunicator) tell(cmd string) {
if d == nil || d.err != nil {
return
}
if _, err := fmt.Fprintf(d.writer, cmd+"\n"); err != nil {
d.err = fmt.Errorf("failed to write debconf command %q: %w", cmd, err)
return
}
if _, err := d.reader.ReadString('\n'); err != nil {
d.err = fmt.Errorf("failed to read debconf response: %w", err)
return
}
}
func (d *debconfCommunicator) stop() error {
return d.err
}
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