set -euo pipefail

if [ ! -t 0 ] || [ ! -t 1 ]; then

echo "commit helper requires an interactive terminal"

exit 1

if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then

echo "not inside a git repository"

exit 1

branch="$(git branch --show-current)"

if [ -z "$branch" ]; then

echo "could not determine current branch"

exit 1

if git diff --quiet && git diff --cached --quiet; then

echo "no changes to commit"

exit 0

echo "current branch: $branch"

git status --short

read -r -p "stage all changes with 'git add .'? [y/N] " stage_all

case "$stage_all" in

y|Y) git add . ;;

*) echo "aborted"; exit 1 ;;

if git diff --cached --quiet; then

echo "no staged changes to commit"

exit 1

echo "select commit type:"

types=(feat fix chore docs refactor test ci perf build revert)

for i in "${!types[@]}"; do

printf " %d) %s\n" "$((i + 1))" "${types[$i]}"

read -r -p "type [1-${#types[@]}] (default: chore): " type_choice

if [ -z "$type_choice" ]; then

commit_type="chore"

elif [[ "$type_choice" =~ ^[0-9]+$ ]] && [ "$type_choice" -ge 1 ] && [ "$type_choice" -le "${#types[@]}" ]; then

commit_type="${types[$((type_choice - 1))]}"

echo "invalid commit type selection"

exit 1

read -r -p "optional scope (leave blank for none): " commit_scope

while :; do

read -r -p "commit summary: " commit_summary

if [ -n "${commit_summary// }" ]; then

break

fi

echo "summary is required"

commit_message="$commit_type"

if [ -n "${commit_scope// }" ]; then

commit_message="$commit_message($commit_scope)"

commit_message="$commit_message: $commit_summary"

echo "commit message: $commit_message"

read -r -p "create commit? [Y/n] " confirm_commit

case "$confirm_commit" in

n|N) echo "aborted"; exit 1 ;;

git commit -m "$commit_message"

read -r -p "push branch '$branch' to origin? [Y/n] " confirm_push

case "$confirm_push" in

n|N)

echo "commit created locally; push skipped"

exit 0

;;

if git rev-parse --verify "origin/$branch" >/dev/null 2>&1; then

git push origin "$branch"

git push -u origin "$branch"