rootstrap/rails_api_base

#!/bin/bash
#
# Automatically find and run specs corresponding to new and changed files or
# terms passed in.
# courtesy of @timcour: https://gist.github.com/timcour/5e8d25e4fc0dd62365da2aa8fbd48b9c
#

CMD="bundle exec rspec"

function usage {
    echo "Usage: $0 [match terms]"
}

function changed_files {
    git diff --find-renames --find-copies --diff-filter=d --name-only HEAD
}

function changed_rb_files {
    changed_files |  grep '\.rb$'
}

function new_files {
  git ls-files --others --exclude-standard
}

function new_rb_files {
    new_files |  grep '\.rb$'
}

function find_spec {
    if [ $(echo $1 | grep -E "_spec.rb$") ]; then
        f=$(basename $1)
    else
        f=$(basename $1 | sed -e 's/.rb/_spec.rb/')
    fi
    find . -name $f
}

spec_files=''
for f in $(changed_rb_files); do
    spec_files="$spec_files $(find_spec $f)"
done

for f in $(new_rb_files); do
    spec_files="$spec_files $(find_spec $f)"
done

for f in $@; do
    found_files=$(find . -name "*$f*_spec.rb")
    spec_files="$spec_files $found_files"
done

spec_files=$(echo -e "${spec_files// /\\n}" | sort -u)

if [[ -z $spec_files ]]; then
    echo "No matching specs found.  Change more files or pass in words and run again."
    usage
    exit 1
fi

echo "Running specs:"
for f in $spec_files; do
    echo "  $f"
done

$CMD $spec_files