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| 1 | +#!/usr/bin/env bash |
| 2 | +set -euo pipefail |
| 3 | + |
| 4 | +# DRY-RUN: Phase 2 Inactivity Unassign Bot |
| 5 | +# - Does NOT change anything |
| 6 | +# - Logs which PRs/issues WOULD be affected |
| 7 | + |
| 8 | +REPO="${REPO:-}" |
| 9 | +DAYS="${DAYS:-21}" |
| 10 | + |
| 11 | +if [ -z "$REPO" ]; then |
| 12 | + echo "ERROR: REPO environment variable not set." |
| 13 | + echo "Example: export REPO=owner/repo" |
| 14 | + exit 1 |
| 15 | +fi |
| 16 | + |
| 17 | +echo "------------------------------------------------------------" |
| 18 | +echo " DRY RUN: Phase 2 Inactivity Unassign (PR inactivity)" |
| 19 | +echo " Repo: $REPO" |
| 20 | +echo " Threshold: $DAYS days (no commit activity on PR)" |
| 21 | +echo "------------------------------------------------------------" |
| 22 | + |
| 23 | +NOW_TS=$(date +%s) |
| 24 | + |
| 25 | +parse_ts() { |
| 26 | + local ts="$1" |
| 27 | + if date --version >/dev/null 2>&1; then |
| 28 | + date -d "$ts" +%s |
| 29 | + else |
| 30 | + date -j -f "%Y-%m-%dT%H:%M:%SZ" "$ts" +"%s" |
| 31 | + fi |
| 32 | +} |
| 33 | + |
| 34 | +declare -a SUMMARY=() |
| 35 | + |
| 36 | +ISSUES=$(gh api "repos/$REPO/issues" \ |
| 37 | + --paginate \ |
| 38 | + --jq '.[] | select(.state=="open" and (.assignees | length > 0) and (.pull_request | not)) | .number') |
| 39 | + |
| 40 | +if [ -z "$ISSUES" ]; then |
| 41 | + echo "No open issues with assignees found." |
| 42 | + exit 0 |
| 43 | +fi |
| 44 | + |
| 45 | +echo "[INFO] Found issues: $ISSUES" |
| 46 | +echo |
| 47 | + |
| 48 | +for ISSUE in $ISSUES; do |
| 49 | + echo "============================================================" |
| 50 | + echo " ISSUE #$ISSUE" |
| 51 | + echo "============================================================" |
| 52 | + |
| 53 | + ISSUE_JSON=$(gh api "repos/$REPO/issues/$ISSUE") |
| 54 | + ASSIGNEES=$(echo "$ISSUE_JSON" | jq -r '.assignees[].login') |
| 55 | + |
| 56 | + if [ -z "$ASSIGNEES" ]; then |
| 57 | + echo "[INFO] No assignees? Skipping." |
| 58 | + echo |
| 59 | + continue |
| 60 | + fi |
| 61 | + |
| 62 | + echo "[INFO] Assignees: $ASSIGNEES" |
| 63 | + echo |
| 64 | + |
| 65 | + for USER in $ASSIGNEES; do |
| 66 | + echo " → Checking assignee: $USER" |
| 67 | + |
| 68 | + PR_NUMBERS=$(gh api \ |
| 69 | + -H "Accept: application/vnd.github.mockingbird-preview+json" \ |
| 70 | + "repos/$REPO/issues/$ISSUE/timeline" \ |
| 71 | + --jq ".[] |
| 72 | + | select(.event == \"cross-referenced\") |
| 73 | + | select(.source.issue.pull_request != null) |
| 74 | + | select(.source.issue.user.login == \"$USER\") |
| 75 | + | .source.issue.number") |
| 76 | + |
| 77 | + if [ -z "$PR_NUMBERS" ]; then |
| 78 | + echo " [INFO] No linked PRs by $USER for this issue." |
| 79 | + echo |
| 80 | + continue |
| 81 | + fi |
| 82 | + |
| 83 | + echo " [INFO] Linked PRs by $USER: $PR_NUMBERS" |
| 84 | + |
| 85 | + STALE_PR="" |
| 86 | + STALE_AGE_DAYS=0 |
| 87 | + |
| 88 | + for PR_NUM in $PR_NUMBERS; do |
| 89 | + PR_STATE=$(gh pr view "$PR_NUM" --repo "$REPO" --json state --jq '.state') |
| 90 | + |
| 91 | + if [ "$PR_STATE" != "OPEN" ]; then |
| 92 | + echo " [SKIP] PR #$PR_NUM is not open ($PR_STATE)." |
| 93 | + continue |
| 94 | + fi |
| 95 | + |
| 96 | + # Use the same "last commit" logic as the real bot (with pagination) |
| 97 | + COMMITS_JSON=$(gh api "repos/$REPO/pulls/$PR_NUM/commits" --paginate 2>/dev/null || echo "") |
| 98 | + |
| 99 | + LAST_COMMIT_DATE=$(echo "$COMMITS_JSON" \ |
| 100 | + | jq -r 'last | (.commit.committer.date // .commit.author.date)' 2>/dev/null || echo "") |
| 101 | + |
| 102 | + if [ -z "$LAST_COMMIT_DATE" ] || [ "$LAST_COMMIT_DATE" = "null" ]; then |
| 103 | + echo " [WARN] Could not determine last commit date for PR #$PR_NUM, skipping." |
| 104 | + continue |
| 105 | + fi |
| 106 | + |
| 107 | + LAST_COMMIT_TS=$(parse_ts "$LAST_COMMIT_DATE") |
| 108 | + AGE_DAYS=$(( (NOW_TS - LAST_COMMIT_TS) / 86400 )) |
| 109 | + |
| 110 | + echo " [INFO] PR #$PR_NUM last commit: $LAST_COMMIT_DATE (~${AGE_DAYS} days ago)" |
| 111 | + |
| 112 | + if [ "$AGE_DAYS" -ge "$DAYS" ]; then |
| 113 | + STALE_PR="$PR_NUM" |
| 114 | + STALE_AGE_DAYS="$AGE_DAYS" |
| 115 | + break |
| 116 | + fi |
| 117 | + done |
| 118 | + |
| 119 | + if [ -z "$STALE_PR" ]; then |
| 120 | + echo " [KEEP] No OPEN PR for $USER is stale (>= $DAYS days)." |
| 121 | + echo |
| 122 | + continue |
| 123 | + fi |
| 124 | + |
| 125 | + echo " [DRY RUN] Would CLOSE PR #$STALE_PR (no commits for $STALE_AGE_DAYS days)" |
| 126 | + echo " [DRY RUN] Would UNASSIGN @$USER from issue #$ISSUE" |
| 127 | + echo |
| 128 | + |
| 129 | + SUMMARY+=("Issue #$ISSUE → user @$USER → stale PR #$STALE_PR (no commits for $STALE_AGE_DAYS days)") |
| 130 | + done |
| 131 | + |
| 132 | + echo |
| 133 | +done |
| 134 | + |
| 135 | +if [ ${#SUMMARY[@]} -gt 0 ]; then |
| 136 | + echo "============================================================" |
| 137 | + echo " SUMMARY: Actions that WOULD be taken (no changes made)" |
| 138 | + echo "============================================================" |
| 139 | + for ITEM in "${SUMMARY[@]}"; do |
| 140 | + echo " - $ITEM" |
| 141 | + done |
| 142 | +else |
| 143 | + echo "No stale PRs / unassignments detected in this dry-run." |
| 144 | +fi |
| 145 | + |
| 146 | +echo "------------------------------------------------------------" |
| 147 | +echo " DRY RUN COMPLETE — No changes were made." |
| 148 | +echo "------------------------------------------------------------" |
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