Basic script to review commits you just fetched one by one

review.sh

#!/bin/bash
set -e

CURRENT_VERSION="${1:-HEAD}"
NEXT_VERSION="${2:-FETCH_HEAD}"

echo "Showing commits from $NEXT_VERSION since $CURRENT_VERSION"
COMMIT_COUNT=$(git --no-pager log --format=format:%H $CURRENT_VERSION..$NEXT_VERSION | wc -l)

echo "Commits to review: $COMMIT_COUNT"
echo

echo "$CURRENT_VERSION:"
git --no-pager log -1 $CURRENT_VERSION

echo
echo "$NEXT_VERSION:"
git --no-pager log -1 $NEXT_VERSION

echo
echo "To exit the pager hit Ctrl-C and then press q"
read -p "Continue? [y/n] " -n 1 -r

if [[ ! $REPLY =~ ^[y]$ ]]
then
  echo
  exit 1
fi

git --no-pager log --reverse --format=format:%H $CURRENT_VERSION..$NEXT_VERSION | \
while read commit;
do
  git show -p $commit
done