Displays git stats for a repro

git-stats

#!/bin/bash

# Get the user's email from Git configuration
default_email=$(git config --get user.email)

# Get the current year
default_year=$(date +%Y)

# Prompt the user for their email, using the default from Git config
read -p "Enter your email (default: $default_email): " user_email
if [ -z "$user_email" ]; then
  user_email=$default_email
fi

# Prompt the user for the branch to analyze, using "main" as the default
read -p "Enter the branch to analyze (default: main): " branch
if [ -z "$branch" ]; then
  branch="main"
fi

# Prompt the user for the year to analyze, using the current year as the default
read -p "Enter the year to analyze (default: $default_year, leave blank for all time): " year
if [ -z "$year" ]; then
  year=""
fi

# Get the number of commits in the specified year by the user, including squashed/merged commits
if [ -z "$year" ]; then
  commits_by_user=$(git log --author="$user_email" --oneline | wc -l)
else
  commits_by_user=$(git log --since="$year-01-01" --until="$year-12-31" --author="$user_email" --oneline | wc -l)
  if [ $commits_by_user -eq 0 ]; then
    echo "No commits found for the year $year in this repository."
  fi
fi

# Get the number of merges into the specified branch by the user
merges_branch=$(git log --merges --author="$user_email" --oneline --first-parent $branch | wc -l)

# Get the number of pull requests performed by the user
prs_opened=$(git log --author="$user_email" --oneline --merges | grep -c "Merge pull request")

# Get the number of pull requests reviewed by the user
prs_reviewed=$(git log --committer="$user_email" --oneline --merges | grep -c "Merge pull request")

# Get the number of unique authors in the specified year
if [ -z "$year" ]; then
  authors_last_year=$(git log --format="%ae" | sort -u | wc -l)
else
  authors_last_year=$(git log --since="$year-01-01" --until="$year-12-31" --format="%ae" | sort -u | wc -l)
  if [ $authors_last_year -eq 0 ]; then
    echo "No authors found for the year $year in this repository."
  fi
fi

# Get the number of tags in the repository
tags=$(git tag | wc -l)

echo ""
echo "Git statistics for user $user_email:"
echo "Metrics for the $branch branch:"
echo "- Commits by you: $commits_by_user"
echo "- Merges into the $branch branch by you: $merges_branch"
echo "- Pull requests opened by you: $prs_opened"
echo "- Pull requests reviewed by you: $prs_reviewed"
echo "- Unique authors in the specified year: $authors_last_year"
echo "- Total tags: $tags"