Find all contributors for a given range of commits

contributors.sh

#!/bin/sh
set -e
set -o pipefail
REVRANGE="$1"
if test "$REVRANGE" = ""; then
  echo "USAGE: $0 <revrange>" >&2
  exit 1
fi
for commit in $(git log ${REVRANGE} --oneline | awk '{print $1}'); do 
  gh pr list --state merged --search "$commit" --json author --template '{{range .}}{{printf "@%s\n" .author.login}}{{end}}'
done | sort | uniq