yay/config.go

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package main
import (
"bufio"
"fmt"
"os"
"os/exec"
"strings"
"github.com/leonelquinteros/gotext"
"github.com/Jguer/yay/v10/pkg/settings"
"github.com/Jguer/yay/v10/pkg/text"
)
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// Verbosity settings for search
const (
numberMenu = iota
detailed
minimal
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)
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var yayVersion = "10.0.0"
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var localePath = "/usr/share/locale"
// YayConf holds the current config values for yay.
var config *settings.Configuration
// Editor returns the preferred system editor.
func editor() (editor string, args []string) {
switch {
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case config.Editor != "":
editor, err := exec.LookPath(config.Editor)
if err != nil {
fmt.Fprintln(os.Stderr, err)
} else {
return editor, strings.Fields(config.EditorFlags)
}
fallthrough
case os.Getenv("EDITOR") != "":
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if editorArgs := strings.Fields(os.Getenv("EDITOR")); len(editorArgs) != 0 {
editor, err := exec.LookPath(editorArgs[0])
if err != nil {
fmt.Fprintln(os.Stderr, err)
} else {
return editor, editorArgs[1:]
}
}
fallthrough
case os.Getenv("VISUAL") != "":
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if editorArgs := strings.Fields(os.Getenv("VISUAL")); len(editorArgs) != 0 {
editor, err := exec.LookPath(editorArgs[0])
if err != nil {
fmt.Fprintln(os.Stderr, err)
} else {
return editor, editorArgs[1:]
}
}
fallthrough
default:
fmt.Fprintln(os.Stderr)
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text.Errorln(gotext.Get("%s is not set", text.Bold(text.Cyan("$EDITOR"))))
text.Warnln(gotext.Get("Add %s or %s to your environment variables", text.Bold(text.Cyan("$EDITOR")), text.Bold(text.Cyan("$VISUAL"))))
for {
text.Infoln(gotext.Get("Edit PKGBUILD with?"))
editorInput, err := getInput("")
if err != nil {
fmt.Fprintln(os.Stderr, err)
continue
}
editorArgs := strings.Fields(editorInput)
if len(editorArgs) == 0 {
continue
}
editor, err := exec.LookPath(editorArgs[0])
if err != nil {
fmt.Fprintln(os.Stderr, err)
continue
}
return editor, editorArgs[1:]
}
}
}
func getInput(defaultValue string) (string, error) {
text.Info()
if defaultValue != "" || settings.NoConfirm {
fmt.Println(defaultValue)
return defaultValue, nil
}
reader := bufio.NewReader(os.Stdin)
buf, overflow, err := reader.ReadLine()
if err != nil {
return "", err
}
if overflow {
return "", fmt.Errorf(gotext.Get("input too long"))
}
return string(buf), nil
}