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Clear tmux scrollback on handoff

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Adds ClearHistory method to tmux package and calls it before
respawn-pane during handoff. This resets copy-mode display
from [0/N] to [0/0] for a clean session start.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Steve Yegge
2025-12-25 02:07:23 -08:00
parent 62402bd4bd
commit 818a8a41f9
2 changed files with 22 additions and 0 deletions
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14
internal/cmd/handoff.go
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@@ -137,10 +137,17 @@ func runHandoff(cmd *cobra.Command, args []string) error {
// Dry run mode - show what would happen
if handoffDryRun {
fmt.Printf("Would execute: tmux clear-history -t %s\n", pane)
fmt.Printf("Would execute: tmux respawn-pane -k -t %s %s\n", pane, restartCmd)
return nil
}
// Clear scrollback history before respawn (resets copy-mode from [0/N] to [0/0])
if err := t.ClearHistory(pane); err != nil {
// Non-fatal - continue with respawn even if clear fails
fmt.Printf("%s Warning: could not clear history: %v\n", style.Dim.Render("⚠"), err)
}
// Use exec to respawn the pane - this kills us and restarts
return t.RespawnPane(pane, restartCmd)
}
@@ -395,6 +402,7 @@ func handoffRemoteSession(t *tmux.Tmux, targetSession, restartCmd string) error
// Dry run mode
if handoffDryRun {
fmt.Printf("Would execute: tmux clear-history -t %s\n", targetPane)
fmt.Printf("Would execute: tmux respawn-pane -k -t %s %s\n", targetPane, restartCmd)
if handoffWatch {
fmt.Printf("Would execute: tmux switch-client -t %s\n", targetSession)
@@ -402,6 +410,12 @@ func handoffRemoteSession(t *tmux.Tmux, targetSession, restartCmd string) error
return nil
}
// Clear scrollback history before respawn (resets copy-mode from [0/N] to [0/0])
if err := t.ClearHistory(targetPane); err != nil {
// Non-fatal - continue with respawn even if clear fails
fmt.Printf("%s Warning: could not clear history: %v\n", style.Dim.Render("⚠"), err)
}
// Respawn the remote session's pane
if err := t.RespawnPane(targetPane, restartCmd); err != nil {
return fmt.Errorf("respawning pane: %w", err)