#!/bin/bash

# Ensure lint is passing
LINT=`sasjs lint`
if [[ "$LINT" != *"All matched files use @sasjs/lint code style!" ]]; then
  echo "$LINT"
  echo "To commit in spite of these warnings, use the -n parameter."
  exit 1
fi

# Avoid commits to the master branch
BRANCH=`git rev-parse --abbrev-ref HEAD`

if [[ "$BRANCH" =~ ^(master|main|develop)$ ]]; then
  echo "You are on branch $BRANCH. Are you sure you want to commit to this branch?"
  echo "If so, commit with -n to bypass the pre-commit hook."
  exit 1
fi

## Avoid large commits
# https://www.backblaze.com/blog/how-many-bytes-are-in-a-megabyte-really/
size_limit=$((2 * 2**20)) # 2mbs
# https://git-scm.com/docs/git-rev-list#Documentation/git-rev-list.txt---disk-usage
commit_size=$(git rev-list --disk-usage HEAD^..HEAD)
test "$commit_size" -lt "$size_limit" || (
  echo "Commit size is too large: $commit_size > $size_limit"
  echo "Force commit using --no-verify"
  exit 1
)