jq, rg & JSON Logs

# Latest finished production Android APK URL
eas build:list --platform android --status finished --limit 1 --json \
  | jq -r '.[0].artifacts.buildUrl // empty'
 
# iOS simulator .app download + bundle id from same JSON blob
eas build:list --platform ios --status finished --limit 1 --json \
  | jq -r '.[0] | "\(.applicationArchiveUrl // .artifacts.buildUrl)\t\(.buildDetails?.buildConfiguration ?? "n/a")"'
 
# Grep EAS/GitHub JSON log export for failure signature
rg -n '"level":"error"|Gradle failure|pod install' ./artifacts/build-logs.jsonl
 
# GitHub Actions: set output for downstream install step
echo "apk_url=$(jq -r '.[0].artifacts.buildUrl' build.json)" >> "$GITHUB_OUTPUT"

#!/usr/bin/env bash
# scripts/ci/fetch-latest-apk.sh - run after eas build --wait
set -euo pipefail
 
PLATFORM="${1:-android}"
PROFILE="${2:-preview}"
OUT_JSON="${3:-./eas-last-build.json}"
 
eas build:list \
  --platform "$PLATFORM" \
  --buildProfile "$PROFILE" \
  --status finished \
  --limit 1 \
  --json > "$OUT_JSON"
 
# Fail loudly if no artifact
APK_URL=$(jq -er '.[0].artifacts.buildUrl' "$OUT_JSON")
BUILD_ID=$(jq -er '.[0].id' "$OUT_JSON")
GIT_SHA=$(jq -r '.[0].gitCommitHash // "unknown"' "$OUT_JSON")
 
echo "build_id=$BUILD_ID" >> "${GITHUB_OUTPUT:-/dev/null}"
echo "apk_url=$APK_URL" >> "${GITHUB_OUTPUT:-/dev/null}"
echo "git_sha=$GIT_SHA" >> "${GITHUB_OUTPUT:-/dev/null}"
 
curl -fsSL "$APK_URL" -o ./artifacts/app.apk
adb install -r ./artifacts/app.apk

# EAS prints log URL in build JSON when available
LOG_URL=$(jq -r '.[0].logFiles[]? // empty' eas-last-build.json | head -1)
curl -fsSL "$LOG_URL" -o ./artifacts/build.log
 
rg -n --max-count 5 'FAILURE|error:|❌|Gradle failure|pod install' ./artifacts/build.log
jq -r 'select(.level=="error") | .message' ./artifacts/build.jsonl 2>/dev/null || true

# Pretty-print full latest build
eas build:list --limit 1 --json | jq '.[0]'
 
# Table of last 10 builds
eas build:list --limit 10 --json \
  | jq -r '.[] | [.id[0:8], .platform, .buildProfile, .status, .createdAt] | @tsv'
 
# Find last errored Android production build
eas build:list --platform android --status errored --limit 1 --json \
  | jq '.[0] | {id, error: .error.message}'

# Safe default with // operator
jq -r '.[0].artifacts.buildUrl // "none"'
 
# Require field or exit 1
jq -er '.[0].artifacts.buildUrl' build.json > apk.url
 
# Map all artifact URLs (matrix builds)
jq -r '.[] | select(.status=="finished") | .artifacts.buildUrl'
 
# Extract nested Expo config from custom metadata (if your pipeline adds it)
jq -r '.[0].metadata | fromjson? | .updateGroup // empty'
 
# Slurp JSON array from file without stdin pipe
jq -r '.[0].id' < eas-last-build.json

# First Gradle OOM in EAS Android log
rg -m 1 'OutOfMemoryError|Java heap space' artifacts/android-build.log
 
# CocoaPods resolution failure (iOS)
rg -n 'CocoaPods could not find compatible versions|pod install' artifacts/ios-build.log
 
# JSONL: lines containing error level (literal ripgrep)
rg '"level":"error"' artifacts/telemetry.jsonl
 
# Search CI folder but only markdown/json
rg -g '*.{json,jsonl,log}' 'buildProfile' .github/
 
# Context lines around match (like grep -C)
rg -C 3 'Metro bundler' artifacts/expo-start.log

# After eas build in GitHub Actions
eas build:list --buildProfile preview --status finished --limit 3 --json > previews.json
 
jq -r '
  .[] | "- [\(.platform) \(.buildProfile)](\(.artifacts.buildUrl)) - `\(.gitCommitHash[0:7])`"
' previews.json >> "$GITHUB_STEP_SUMMARY"

# Install on macOS / Linux CI images
# brew install jq ripgrep   # macOS
# apt-get install -y jq     # Debian; rg from GitHub release or cargo
 
# Validate JSON before jq - catches eas CLI auth errors returned as text
jq empty < eas-last-build.json
 
# Avoid piping curl progress into jq
curl -fsSL "$URL" -o artifact.apk
 
# Large JSONL - stream with jq inputs
jq -c 'select(.level=="error")' < huge.jsonl | head -20