chore: add gemini-loop.sh and whitelist in gitignore

Track Gemini's dispatch loop alongside the other agent loops. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-22 18:53:01 -04:00
parent d71645a081
commit 7e5ffe5b45
2 changed files with 322 additions and 0 deletions
--- a/bin/gemini-loop.sh
+++ b/bin/gemini-loop.sh
@@ -0,0 +1,321 @@
+#!/usr/bin/env bash
+# gemini-loop.sh — Dropout-proof Gemini code agent dispatch loop
+# Picks an open issue from Gitea, creates a worktree, runs Gemini Code CLI,
+# handles failures gracefully, and loops forever.
+#
+# Dropout-proof means:
+#   - If Gemini Code crashes/hangs, we kill it and move on
+#   - If worktree creation fails, skip and retry
+#   - If push fails, log and continue
+#   - Exponential backoff on repeated failures
+#   - Clean up worktrees after PR is created
+
+set -euo pipefail
+
+# === CONFIG ===
+REPO_DIR="$HOME/worktrees/gemini-repo"
+WORKTREE_BASE="$HOME/worktrees"
+GITEA_URL="http://143.198.27.163:3000"
+GITEA_TOKEN=$(cat "$HOME/.hermes/gemini_token")
+REPO_OWNER="rockachopa"
+REPO_NAME="Timmy-time-dashboard"
+GEMINI_TIMEOUT=600   # 10 min per issue
+COOLDOWN=30          # seconds between issues
+MAX_FAILURES=5       # consecutive failures before long sleep
+LONG_SLEEP=300       # 5 min backoff on repeated failures
+LOG_DIR="$HOME/.hermes/logs"
+SKIP_FILE="$LOG_DIR/gemini-skip-list.json"  # issues to skip temporarily
+
+mkdir -p "$LOG_DIR" "$WORKTREE_BASE"
+
+# Initialize skip file if missing
+[ -f "$SKIP_FILE" ] || echo '{}' > "$SKIP_FILE"
+
+# === STATE ===
+failure_count=0
+issues_completed=0
+
+# === SKIP LIST FUNCTIONS ===
+is_skipped() {
+  local issue_num="$1"
+  python3 -c "
+import json, time, sys
+try:
+    with open('$SKIP_FILE') as f: skips = json.load(f)
+except: skips = {}
+entry = skips.get(str($issue_num), {})
+if entry and entry.get('until', 0) > time.time():
+    print('skip')
+    sys.exit(0)
+# Expired or not found — clean up and allow
+if str($issue_num) in skips:
+    del skips[str($issue_num)]
+    with open('$SKIP_FILE', 'w') as f: json.dump(skips, f)
+print('ok')
+" 2>/dev/null
+}
+
+mark_skip() {
+  local issue_num="$1"
+  local reason="$2"
+  local skip_hours="${3:-1}"  # default 1 hour
+  python3 -c "
+import json, time
+try:
+    with open('$SKIP_FILE') as f: skips = json.load(f)
+except: skips = {}
+skips[str($issue_num)] = {
+    'until': time.time() + ($skip_hours * 3600),
+    'reason': '$reason',
+    'failures': skips.get(str($issue_num), {}).get('failures', 0) + 1
+}
+# If 3+ failures, skip for 6 hours instead
+if skips[str($issue_num)]['failures'] >= 3:
+    skips[str($issue_num)]['until'] = time.time() + (6 * 3600)
+with open('$SKIP_FILE', 'w') as f: json.dump(skips, f, indent=2)
+" 2>/dev/null
+  log "SKIP: #${issue_num} added to skip list — ${reason}"
+}
+
+log() {
+  local msg="[$(date '+%Y-%m-%d %H:%M:%S')] $*"
+  echo "$msg" >> "$LOG_DIR/gemini-loop.log"
+}
+
+cleanup_worktree() {
+  local wt="$1"
+  local branch="$2"
+  if [ -d "$wt" ]; then
+    cd "$REPO_DIR"
+    git worktree remove --force "$wt" 2>/dev/null || rm -rf "$wt"
+    git worktree prune 2>/dev/null
+    git branch -D "$branch" 2>/dev/null || true
+    log "Cleaned up worktree: $wt"
+  fi
+}
+
+get_next_issue() {
+  # Get open issues ASSIGNED TO GEMINI only — Gemini works its own queue
+  # NOTE: Gitea's assignee filter is unreliable — we validate in Python
+  local skip_file="$SKIP_FILE"
+  curl -sf "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/issues?state=open&type=issues&limit=50&sort=created" \
+    -H "Authorization: token ${GITEA_TOKEN}" | python3 -c "
+import sys, json, time
+
+issues = json.load(sys.stdin)
+# Reverse to oldest-first (Gitea returns newest-first) — respects dependency order
+issues.reverse()
+
+# Load skip list
+try:
+    with open('${skip_file}') as f: skips = json.load(f)
+except: skips = {}
+
+for i in issues:
+    # MUST be assigned to gemini (Gitea filter is broken, validate here)
+    assignees = [a['login'] for a in (i.get('assignees') or [])]
+    if 'gemini' not in assignees:
+        continue
+
+    title = i['title'].lower()
+    # Skip philosophy, epics, showcases, features (not 10-min code work)
+    if '[philosophy]' in title: continue
+    if '[epic]' in title or 'epic:' in title: continue
+    if '[showcase]' in title: continue
+    if '[feature]' in title: continue
+
+    # Check skip list
+    num_str = str(i['number'])
+    entry = skips.get(num_str, {})
+    if entry and entry.get('until', 0) > time.time():
+        continue
+
+    print(json.dumps({'number': i['number'], 'title': i['title']}))
+    sys.exit(0)
+print('null')
+" 2>/dev/null
+}
+
+build_prompt() {
+  local issue_num="$1"
+  local issue_title="$2"
+  local worktree="$3"
+
+  cat <<PROMPT
+You are Gemini, an autonomous code agent on the Timmy-time-dashboard project.
+
+YOUR ISSUE: #${issue_num} — "${issue_title}"
+
+GITEA API: ${GITEA_URL}/api/v1
+GITEA TOKEN: ${GITEA_TOKEN}
+REPO: ${REPO_OWNER}/${REPO_NAME}
+WORKING DIRECTORY: ${worktree}
+
+== YOUR POWERS ==
+You can do ANYTHING a developer can do. You are not limited to the narrow task.
+
+1. READ the issue. Read any comments — they may have instructions.
+   curl -s -H "Authorization: token ${GITEA_TOKEN}" "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/issues/${issue_num}" 
+   curl -s -H "Authorization: token ${GITEA_TOKEN}" "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/issues/${issue_num}/comments"
+
+2. DO THE WORK. Code, test, fix, refactor — whatever the issue needs.
+   - tox -e format (auto-format first)
+   - tox -e unit (all tests must pass)
+   - tox -e lint (must be clean)
+
+3. COMMIT with conventional commits: fix: / feat: / refactor: / test: / chore:
+   Include "Fixes #${issue_num}" or "Refs #${issue_num}" in the message.
+
+4. PUSH to your branch (gemini/issue-${issue_num}) and CREATE A PR:
+   curl -s -X POST "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/pulls" \
+     -H "Authorization: token ${GITEA_TOKEN}" \
+     -H "Content-Type: application/json" \
+     -d '{"title": "[gemini] <description> (#${issue_num})", "body": "Fixes #${issue_num}\n\n<describe what you did>", "head": "gemini/issue-${issue_num}", "base": "main"}'
+
+5. COMMENT on the issue when done:
+   curl -s -X POST "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/issues/${issue_num}/comments" \
+     -H "Authorization: token ${GITEA_TOKEN}" \
+     -H "Content-Type: application/json" \
+     -d '{"body": "PR created. <summary of changes>"}'
+
+6. FILE NEW ISSUES if you find bugs, missing tests, or improvements while working:
+   curl -s -X POST "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/issues" \
+     -H "Authorization: token ${GITEA_TOKEN}" \
+     -H "Content-Type: application/json" \
+     -d '{"title": "[gemini-generated] <title>", "body": "<description>"}'
+
+== RULES ==
+- Read CLAUDE.md or project README first for conventions
+- tox is the ONLY way to run tests/lint/format. Never run pytest/ruff directly.
+- Never use --no-verify on git commands.
+- If tests fail after 2 attempts, STOP and comment on the issue explaining why.
+- Be thorough. If you see something broken nearby, file an issue for it.
+PROMPT
+}
+
+# === MAIN LOOP ===
+log "=== Gemini Loop Started ==="
+log "Repo: ${REPO_DIR}"
+log "Worktrees: ${WORKTREE_BASE}"
+
+while true; do
+  # Check for too many consecutive failures
+  if [ "$failure_count" -ge "$MAX_FAILURES" ]; then
+    log "BACKOFF: ${failure_count} consecutive failures. Sleeping ${LONG_SLEEP}s..."
+    sleep "$LONG_SLEEP"
+    failure_count=0
+  fi
+
+  # Fetch latest main (resilient — never die on git errors)
+  cd "$REPO_DIR"
+  timeout 60 git fetch origin main 2>/dev/null || { log "WARN: git fetch failed, continuing anyway"; }
+  git checkout main 2>/dev/null || true
+  git reset --hard origin/main 2>/dev/null || true
+
+  # Get next issue
+  issue_json=$(get_next_issue)
+
+  if [ "$issue_json" = "null" ] || [ -z "$issue_json" ]; then
+    # Only log idle ONCE, then go quiet until work appears
+    if [ "${LAST_STATE:-}" != "idle" ]; then
+      log "Queue empty. Waiting for assignments..."
+      LAST_STATE="idle"
+    fi
+    sleep "$LONG_SLEEP"
+    continue
+  fi
+  LAST_STATE="working"
+
+  issue_num=$(echo "$issue_json" | python3 -c "import sys,json; print(json.load(sys.stdin)['number'])")
+  issue_title=$(echo "$issue_json" | python3 -c "import sys,json; print(json.load(sys.stdin)['title'])")
+  branch="gemini/issue-${issue_num}"
+  worktree="${WORKTREE_BASE}/gemini-${issue_num}"
+
+  log "=== ISSUE #${issue_num}: ${issue_title} ==="
+
+  # Create worktree
+  if [ -d "$worktree" ]; then
+    log "Worktree already exists, cleaning..."
+    cleanup_worktree "$worktree" "$branch"
+  fi
+
+  cd "$REPO_DIR"
+  if ! git worktree add "$worktree" -b "$branch" origin/main 2>&1; then
+    log "ERROR: Failed to create worktree for #${issue_num}"
+    failure_count=$((failure_count + 1))
+    sleep "$COOLDOWN"
+    continue
+  fi
+
+  # Configure git remote with gemini's token so it can push
+  cd "$worktree"
+  git remote set-url origin "http://gemini:${GITEA_TOKEN}@143.198.27.163:3000/${REPO_OWNER}/${REPO_NAME}.git"
+  cd "$REPO_DIR"
+
+  # Build prompt
+  prompt=$(build_prompt "$issue_num" "$issue_title" "$worktree")
+
+  # Run Gemini Code CLI with timeout
+  log "Launching Gemini Code for #${issue_num} (timeout: ${GEMINI_TIMEOUT}s)..."
+
+  set +e
+  cd "$worktree"
+  gtimeout "$GEMINI_TIMEOUT" gemini \
+    --print \
+    --quiet \
+    -w "$worktree" \
+    -p "$prompt" \
+    </dev/null 2>&1 | tee "$LOG_DIR/gemini-${issue_num}.log"
+  exit_code=${PIPESTATUS[0]}
+  cd "$REPO_DIR"
+  set -e
+
+  if [ "$exit_code" -eq 0 ]; then
+    log "SUCCESS: #${issue_num} completed — attempting auto-merge..."
+
+    # Find and merge the PR gemini created
+    pr_num=$(curl -sf "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/pulls?state=open&head=${REPO_OWNER}:${branch}&limit=1" \
+      -H "Authorization: token ${GITEA_TOKEN}" | python3 -c "
+import sys,json
+prs = json.load(sys.stdin)
+if prs: print(prs[0]['number'])
+else: print('')
+" 2>/dev/null)
+
+    if [ -n "$pr_num" ]; then
+      merge_result=$(curl -sf -X POST "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/pulls/${pr_num}/merge" \
+        -H "Authorization: token ${GITEA_TOKEN}" \
+        -H "Content-Type: application/json" \
+        -d '{"Do": "squash"}' 2>&1) || true
+      log "  PR #${pr_num} merge attempted"
+
+      # Close the issue (Gitea auto-close via "Fixes #N" is unreliable)
+      curl -sf -X PATCH "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/issues/${issue_num}" \
+        -H "Authorization: token ${GITEA_TOKEN}" \
+        -H "Content-Type: application/json" \
+        -d '{"state": "closed"}' >/dev/null 2>&1 || true
+      log "  Issue #${issue_num} closed"
+    else
+      log "  WARN: No open PR found for branch ${branch}"
+    fi
+
+    failure_count=0
+    issues_completed=$((issues_completed + 1))
+    log "Stats: ${issues_completed} issues completed this session"
+  elif [ "$exit_code" -eq 124 ]; then
+    log "TIMEOUT: #${issue_num} exceeded ${GEMINI_TIMEOUT}s"
+    mark_skip "$issue_num" "timeout" 1
+    failure_count=$((failure_count + 1))
+  else
+    log "FAILED: #${issue_num} exited with code ${exit_code}"
+    mark_skip "$issue_num" "exit_code_${exit_code}" 1
+    failure_count=$((failure_count + 1))
+  fi
+
+  # Clean up worktree
+  cleanup_worktree "$worktree" "$branch"
+
+  # Cooldown
+  log "Cooling down ${COOLDOWN}s before next issue..."
+  sleep "$COOLDOWN"
+done