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fix(v2): set LANG for pbpaste/pbcopy to prevent clipboard mojibake on macOS #5012

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fix(v2): set LANG for pbpaste/pbcopy to prevent clipboard mojibake on macOS #5012

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c0b7a2d
fix(v2): set LANG=en_US.UTF-8 for pbpaste/pbcopy on macOS
veeceey Feb 23, 2026
b34587e
fix: use os.LookupEnv for LANG check in ensureUTF8Env
veeceey Feb 23, 2026
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15 changes: 15 additions & 0 deletions v2/internal/frontend/desktop/darwin/clipboard.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,25 @@
package darwin

import (
"os"
"os/exec"
)

// ensureUTF8Env returns the current environment with LANG set to en_US.UTF-8
// if it is not already set. This is needed because packaged macOS apps do not
// inherit the terminal's LANG variable, causing pbpaste/pbcopy to default to
// an ASCII-compatible encoding that mangles non-ASCII text.
func ensureUTF8Env() []string {
env := os.Environ()
if _, ok := os.LookupEnv("LANG"); !ok {
env = append(env, "LANG=en_US.UTF-8")
}
return env
}

func (f *Frontend) ClipboardGetText() (string, error) {
pasteCmd := exec.Command("pbpaste")
pasteCmd.Env = ensureUTF8Env()
out, err := pasteCmd.Output()
if err != nil {
return "", err
Expand All @@ -17,6 +31,7 @@ func (f *Frontend) ClipboardGetText() (string, error) {

func (f *Frontend) ClipboardSetText(text string) error {
copyCmd := exec.Command("pbcopy")
copyCmd.Env = ensureUTF8Env()
in, err := copyCmd.StdinPipe()
if err != nil {
return err
Expand Down