fix: dev-poll spawns duplicate agents — no tmux session guard (#371)

Add tmux has-session check before spawning dev-agent.sh at all four
spawn points (orphan REQUEST_CHANGES, orphan CI fix, stuck-PR
REQUEST_CHANGES, stuck-PR CI fix). If a tmux session already exists
for the issue, log and skip instead of spawning a duplicate agent.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
openhands 2026-03-20 10:55:34 +00:00
parent 86070ceef7
commit 4feb1fba97

View file

@ -347,9 +347,14 @@ if [ "$ORPHAN_COUNT" -gt 0 ]; then
# Do NOT gate REQUEST_CHANGES on ci_passed: act immediately even if CI is
# pending/unknown. Definitive CI failure is handled by the elif below.
elif [ "${HAS_CHANGES:-0}" -gt 0 ] && { ci_passed "$CI_STATE" || [ "$CI_STATE" = "pending" ] || [ "$CI_STATE" = "unknown" ] || [ -z "$CI_STATE" ]; }; then
log "issue #${ISSUE_NUM} PR #${HAS_PR} has REQUEST_CHANGES — spawning agent"
nohup "${SCRIPT_DIR}/dev-agent.sh" "$ISSUE_NUM" >> "$LOGFILE" 2>&1 &
log "started dev-agent PID $! for issue #${ISSUE_NUM} (review fix)"
SESSION_NAME="dev-${PROJECT_NAME}-${ISSUE_NUM}"
if tmux has-session -t "$SESSION_NAME" 2>/dev/null; then
log "issue #${ISSUE_NUM} already has active session ${SESSION_NAME} — skipping"
else
log "issue #${ISSUE_NUM} PR #${HAS_PR} has REQUEST_CHANGES — spawning agent"
nohup "${SCRIPT_DIR}/dev-agent.sh" "$ISSUE_NUM" >> "$LOGFILE" 2>&1 &
log "started dev-agent PID $! for issue #${ISSUE_NUM} (review fix)"
fi
exit 0
elif ! ci_passed "$CI_STATE" && [ "$CI_STATE" != "" ] && [ "$CI_STATE" != "pending" ] && [ "$CI_STATE" != "unknown" ]; then
@ -357,9 +362,14 @@ if [ "$ORPHAN_COUNT" -gt 0 ]; then
# Fall through to backlog scan instead of exit
:
else
log "issue #${ISSUE_NUM} PR #${HAS_PR} CI failed — spawning agent to fix (attempt ${CI_FIX_ATTEMPTS}/3)"
nohup "${SCRIPT_DIR}/dev-agent.sh" "$ISSUE_NUM" >> "$LOGFILE" 2>&1 &
log "started dev-agent PID $! for issue #${ISSUE_NUM} (CI fix)"
SESSION_NAME="dev-${PROJECT_NAME}-${ISSUE_NUM}"
if tmux has-session -t "$SESSION_NAME" 2>/dev/null; then
log "issue #${ISSUE_NUM} already has active session ${SESSION_NAME} — skipping"
else
log "issue #${ISSUE_NUM} PR #${HAS_PR} CI failed — spawning agent to fix (attempt ${CI_FIX_ATTEMPTS}/3)"
nohup "${SCRIPT_DIR}/dev-agent.sh" "$ISSUE_NUM" >> "$LOGFILE" 2>&1 &
log "started dev-agent PID $! for issue #${ISSUE_NUM} (CI fix)"
fi
exit 0
fi
@ -436,17 +446,27 @@ for i in $(seq 0 $(($(echo "$OPEN_PRS" | jq 'length') - 1))); do
# CI to settle. Definitive CI failure (non-pending, non-unknown) is handled by
# the elif below, so we only spawn here when CI has not definitively failed.
if [ "${HAS_CHANGES:-0}" -gt 0 ] && { ci_passed "$CI_STATE" || [ "$CI_STATE" = "pending" ] || [ "$CI_STATE" = "unknown" ] || [ -z "$CI_STATE" ]; }; then
log "PR #${PR_NUM} (issue #${STUCK_ISSUE}) has REQUEST_CHANGES — fixing first"
nohup "${SCRIPT_DIR}/dev-agent.sh" "$STUCK_ISSUE" >> "$LOGFILE" 2>&1 &
log "started dev-agent PID $! for stuck PR #${PR_NUM}"
SESSION_NAME="dev-${PROJECT_NAME}-${STUCK_ISSUE}"
if tmux has-session -t "$SESSION_NAME" 2>/dev/null; then
log "issue #${STUCK_ISSUE} already has active session ${SESSION_NAME} — skipping"
else
log "PR #${PR_NUM} (issue #${STUCK_ISSUE}) has REQUEST_CHANGES — fixing first"
nohup "${SCRIPT_DIR}/dev-agent.sh" "$STUCK_ISSUE" >> "$LOGFILE" 2>&1 &
log "started dev-agent PID $! for stuck PR #${PR_NUM}"
fi
exit 0
elif ! ci_passed "$CI_STATE" && [ "$CI_STATE" != "" ] && [ "$CI_STATE" != "pending" ] && [ "$CI_STATE" != "unknown" ]; then
if handle_ci_exhaustion "$PR_NUM" "$STUCK_ISSUE"; then
continue # skip this PR, check next stuck PR or fall through to backlog
else
log "PR #${PR_NUM} (issue #${STUCK_ISSUE}) CI failed — fixing (attempt ${CI_FIX_ATTEMPTS}/3)"
nohup "${SCRIPT_DIR}/dev-agent.sh" "$STUCK_ISSUE" >> "$LOGFILE" 2>&1 &
log "started dev-agent PID $! for stuck PR #${PR_NUM}"
SESSION_NAME="dev-${PROJECT_NAME}-${STUCK_ISSUE}"
if tmux has-session -t "$SESSION_NAME" 2>/dev/null; then
log "issue #${STUCK_ISSUE} already has active session ${SESSION_NAME} — skipping"
else
log "PR #${PR_NUM} (issue #${STUCK_ISSUE}) CI failed — fixing (attempt ${CI_FIX_ATTEMPTS}/3)"
nohup "${SCRIPT_DIR}/dev-agent.sh" "$STUCK_ISSUE" >> "$LOGFILE" 2>&1 &
log "started dev-agent PID $! for stuck PR #${PR_NUM}"
fi
exit 0
fi
fi