git-signed-commits-stats.sh

git-signed-commits-stats.sh

#!/bin/bash

since="${1:-1 month ago}"
good_signatures=0
unsigned_commits=0
bad_signatures=0
unknown_signatures=0

# Loop through each commit from the last 2 years
while read -r commit_hash signature_status; do
  case $signature_status in
    B) ((bad_signatures++)) ;;
    N) ((unsigned_commits++)) ;;
    E) ((unknown_signatures++)) ;;
    G|Y|X|R) ((good_signatures++)) ;;
  esac
done < <(git log --since="$since" --pretty="%H %G?")

total_commits=$((good_signatures + unsigned_commits + bad_signatures + unknown_signatures))

if [ "$total_commits" -gt 0 ]; then
  good_percentage=$(echo "scale=2; $good_signatures / $total_commits * 100" | bc)
  unsigned_percentage=$(echo "scale=2; $unsigned_commits / $total_commits * 100" | bc)
  bad_percentage=$(echo "scale=2; $bad_signatures / $total_commits * 100" | bc)
  unknown_percentage=$(echo "scale=2; $unknown_signatures / $total_commits * 100" | bc)
else
  echo "No commits found in the specified time range."
  exit 1
fi

echo "Total commits: $total_commits (since $since)"
echo "Good signatures: $good_signatures ($good_percentage%)"
echo "Unsigned commits: $unsigned_commits ($unsigned_percentage%)"
echo "Bad signatures: $bad_signatures ($bad_percentage%)"
echo "Unknown signature status: $unknown_signatures ($unknown_percentage%)"