Your Year In Git

git_wrapped.sh

#!/bin/bash

RED="\033[31m"
GREEN="\033[32m"
RESET="\033[0m"
MAGENTA="\033[35m"
CYAN="\033[36m"
YELLOW="\033[33m"
BLUE="\033[34m"

# Function to check if the current directory is a Git repository
is_git_repo() {
    git rev-parse --is-inside-work-tree &>/dev/null
}

# Check if the script is run inside a Git repository
if ! is_git_repo; then
    echo "Error: This script must be run inside a Git repository."
    exit 1
fi

# Check if an author name is provided as an argument
if [ -z "$1" ]; then
    echo "Usage: $0 <author_name>"
    exit 1
fi

AUTHOR=$1

# Get the current year
CURRENT_YEAR=$(date +%Y)
# Get the hash of the author's first commit of the year
FIRST_COMMIT_HASH=$(git log --author="$AUTHOR" --since="$CURRENT_YEAR-01-01" --pretty=format:"%H" | tail -1)
# Get the hash of the author's most recent commit
LATEST_COMMIT_HASH=$(git log --author="$AUTHOR" --since="$CURRENT_YEAR-01-01" --pretty=format:"%H" | head -1)


echo -e "\nYour ${BLUE}$CURRENT_YEAR ${RED}Y${GREEN}e${MAGENTA}a${CYAN}r${YELLOW} i${RED}n ${GREEN}G${MAGENTA}i${CYAN}t${RESET} 🎉🎉\n"
# Count the number of local branches
branch_count=$(git branch | wc -l)
echo -e "${GREEN}You have ${RED}$branch_count${GREEN}  local branches.${RESET}\n"
echo -e "Enough for a forest!"
echo -e "But can you see the woods for the trees...🎄\n"

# Get the latest commit details
latest_commit=$(git log --author="$AUTHOR" -1 --pretty=format:"%ar")
echo -e "Your latest commit was: ${RED}$latest_commit${RESET}😱"
echo -e "Get back to work!\n"

linesadded=$(git log --numstat --pretty="%H" --author="$AUTHOR" $FIRST_COMMIT_HASH..$LATEST_COMMIT_HASH | awk 'NF==3 {plus+=$1; minus+=$2} END {print plus}')
echo -e "You made ${GREEN} +$linesadded ${RESET} additions! 📈"

linesremoved=$(git log --numstat --pretty="%H" --author="$AUTHOR" $FIRST_COMMIT_HASH..$LATEST_COMMIT_HASH | awk 'NF==3 {plus+=$1; minus+=$2} END {print minus}')
echo -e "...And   ${RED} -$linesremoved ${RESET} removals 📉"

echo -e "Truly proving time is a flat circle.\n"

# Count commits by the specified author
author_commit_count=$(git log --author="$AUTHOR" --since="$CURRENT_YEAR-01-01" --pretty=oneline | wc -l)
echo -e "You made ${YELLOW}$author_commit_count${RESET} commits."
echo -e "Whoever said you had commitment issues.\n"

leaderboard=$(git shortlog --summary --numbered --all --no-merges --since="$CURRENT_YEAR-01-01")
echo -e "And finally no year in review would be complete without arbitrarily ranking"
echo -e "individuals and ${RED}pitting you against each other${RESET}.\n"
echo -e "${MAGENTA}${CURRENT_YEAR}${RESET} the leaderboard:\n\n$leaderboard\n"

echo -e "I hope you think about what you have done.\n"