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#!/bin/bash

set +o histexpand

# check-file-sizes.sh - Monitor Go file sizes and function counts

# This script identifies Go files that exceed recommended thresholds:

# - 50+ functions: Consider splitting (warning)

# - 40-49 functions: Approaching threshold (info)

# Exit codes:

# 0 - No issues or only informational warnings

# Non-zero is never returned (non-blocking check)

set -euo pipefail

# Colors for output

RED='\033[0;31m'

YELLOW='\033[1;33m'

BLUE='\033[0;34m'

GREEN='\033[0;32m'

NC='\033[0m' # No Color

# Thresholds

WARN_THRESHOLD=50

INFO_THRESHOLD=40

# Counter for warnings

warn_count=0

info_count=0

echo "Checking Go file sizes in pkg/ directory..."

echo ""

# Find all .go files (excluding test files) and count functions

while IFS= read -r file; do

# Count function declarations (lines starting with "func ")

func_count=$(grep -c "^func " "$file" || true)

line_count=$(wc -l < "$file")

# Only report files with 40+ functions

if [ "$func_count" -ge "$WARN_THRESHOLD" ]; then

echo -e "${RED}⚠️ WARNING${NC}: $file"

echo -e " Functions: ${RED}$func_count${NC} | Lines: $line_count"

echo -e " Consider splitting this file (threshold: ${WARN_THRESHOLD} functions)"

echo ""

warn_count=$((warn_count + 1))

elif [ "$func_count" -ge "$INFO_THRESHOLD" ]; then

echo -e "${YELLOW}ℹ️ INFO${NC}: $file"

echo -e " Functions: ${YELLOW}$func_count${NC} | Lines: $line_count"

echo -e " Approaching threshold (${INFO_THRESHOLD}-${WARN_THRESHOLD} functions)"

echo ""

info_count=$((info_count + 1))

done < <(find pkg -name "*.go" ! -name "*_test.go" -type f | sort)

# Summary

echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

echo "Summary:"

echo ""

if [ "$warn_count" -eq 0 ] && [ "$info_count" -eq 0 ]; then

echo -e "${GREEN}✓ All files are within recommended size guidelines${NC}"

echo ""

echo "No files exceed the 40-function threshold."

elif [ "$warn_count" -eq 0 ]; then

echo -e "${BLUE}ℹ️ $info_count file(s) approaching threshold (${INFO_THRESHOLD}-${WARN_THRESHOLD} functions)${NC}"

echo ""

echo "These files are getting large but still within acceptable range."

echo "Consider reviewing them if adding significant functionality."

else

echo -e "${YELLOW}⚠️ $warn_count file(s) exceed recommended size (${WARN_THRESHOLD}+ functions)${NC}"

if [ "$info_count" -gt 0 ]; then

echo -e "${BLUE}ℹ️ $info_count file(s) approaching threshold (${INFO_THRESHOLD}-${WARN_THRESHOLD} functions)${NC}"

echo ""

echo "Files exceeding ${WARN_THRESHOLD} functions should be evaluated for splitting."

echo "However, domain complexity may justify larger files."

echo ""

echo "See scratchpad/code-organization.md for file size guidelines and justified large files."

echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

echo ""

echo "Note: This is an informational check only. Large files may be justified"

echo "by domain complexity. See scratchpad/code-organization.md for guidelines."

# Always exit 0 (non-blocking)

exit 0

gh-aw/scripts/check-file-sizes.sh at main · github/gh-aw · GitHub

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