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fix(cli): handle OSC52 clipboard passthrough properly under GNU screen #28592

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fix(cli): handle OSC52 clipboard passthrough properly under GNU screen #28592

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54e7b55
fix(tui): handle OSC52 clipboard passthrough properly under GNU screen
lingfish Jun 10, 2026
3c8cde4
Merge branch 'dev' into fix/osc52-gnu-screen-passthrough
lingfish Jun 10, 2026
2c7f2ad
Merge branch 'dev' into fix/osc52-gnu-screen-passthrough
lingfish Jun 10, 2026
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25 changes: 23 additions & 2 deletions packages/tui/src/clipboard.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,29 @@ function command(command: string, args: string[] = [], input?: string) {

function writeOsc52(text: string) {
if (!process.stdout.isTTY) return
const sequence = `\x1b]52;c;${Buffer.from(text).toString("base64")}\x07`
process.stdout.write(process.env.TMUX || process.env.STY ? `\x1bPtmux;\x1b${sequence}\x1b\\` : sequence)
const base64 = Buffer.from(text).toString("base64")

if (process.env["TMUX"]) {
const osc52 = `\x1b]52;c;${base64}\x07`
process.stdout.write(`\x1bPtmux;\x1b${osc52}\x1b\\`)
return
}

if (process.env["STY"]) {
const chunkSize = 700
let sequence = `\x1bP\x1b]52;c;`

for (let i = 0; i < base64.length; i += chunkSize) {
if (i > 0) sequence += `\x1b\\\x1bP`
sequence += base64.slice(i, i + chunkSize)
}

sequence += `\x07\x1b\\`
process.stdout.write(sequence)
return
}

process.stdout.write(`\x1b]52;c;${base64}\x07`)
}

export async function read() {
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