39 lines
999 B
Bash
39 lines
999 B
Bash
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#!/bin/bash
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# Run a command in a tmux pane and capture its output.
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# User sees it streaming in the pane; caller gets stdout back.
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#
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# Usage: pane-exec.sh <pane-id> <command...>
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# Example: pane-exec.sh %6565 ansible-playbook -i inventory/switches.yml playbooks/foo.yml
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set -euo pipefail
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PANE="$1"
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shift
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CMD="$*"
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TMPFILE=$(mktemp /tmp/pane-output.XXXXXX)
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MARKER="__PANE_EXEC_DONE_${RANDOM}_$$__"
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cleanup() {
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tmux pipe-pane -t "$PANE" 2>/dev/null || true
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rm -f "$TMPFILE"
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}
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trap cleanup EXIT
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# Start capturing pane output
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tmux pipe-pane -o -t "$PANE" "cat >> $TMPFILE"
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# Send the command, then echo a marker so we know when it's done
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tmux send-keys -t "$PANE" "$CMD; echo $MARKER" Enter
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# Wait for the marker
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while ! grep -q "$MARKER" "$TMPFILE" 2>/dev/null; do
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sleep 0.5
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done
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# Stop capturing
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tmux pipe-pane -t "$PANE"
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# Strip ANSI escape codes, remove the marker line, output the rest
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sed 's/\x1b\[[0-9;]*[a-zA-Z]//g; s/\x1b\[[?][0-9]*[a-zA-Z]//g' "$TMPFILE" | grep -v "$MARKER"
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