git_path_analysis.sh

git_path_analysis.sh

#!/bin/bash

# Usage: ./script_name.sh <depth> <output_limit> <pattern1> <pattern2> ...
# Example: ./script_name.sh 2 50 vendor .git tmp

# Validate and set depth
DEPTH=${1:-2}
if ! [[ "$DEPTH" =~ ^[0-9]+$ ]]; then
    echo "Depth must be a positive integer."
    exit 1
fi
shift

# Validate and set output limit
OUTPUT_LIMIT=${1:-50}
if ! [[ "$OUTPUT_LIMIT" =~ ^[0-9]+$ ]]; then
    echo "Output limit must be a positive integer."
    exit 1
fi
shift

# Build exclusion pattern
EXCLUDE_PATTERN=$(IFS='|'; echo "$*")

# Main command
git log --since="1 year ago" --pretty=format: --name-only | \
grep -Ev "$EXCLUDE_PATTERN" | \
awk -F'/' -v depth="$DEPTH" '{path=$1; for(i=2; i<=depth && i<=NF; i++) path=path"/"$i; print path}' | \
sort | uniq -c | sort -rg | head -n "$OUTPUT_LIMIT"