Bash script for setting up obra/superpowers in gemini-cli

gemini-setup.sh

#!/bin/bash
set -o errexit
set -o pipefail
set -o nounset
# set -o xtrace

setup_colors() {
  if [[ -t 2 ]] && [[ -z "${NO_COLOR-}" ]] && [[ "${TERM-}" != "dumb" ]]; then
    NOFORMAT='\033[0m' RED='\033[0;31m' GREEN='\033[0;32m' ORANGE='\033[0;33m' BLUE='\033[0;34m' PURPLE='\033[0;35m' CYAN='\033[0;36m' YELLOW='\033[1;33m'
  else
    NOFORMAT='' RED='' GREEN='' ORANGE='' BLUE='' PURPLE='' CYAN='' YELLOW=''
  fi
}

msg() {
  echo >&2 -e "${1-}"
}

die() {
  local msg=$1
  local code=${2-1} # default exit status 1
  msg "${RED}${msg}${NOFORMAT}"
  exit "$code"
}

setup_colors

pushd . &>/dev/null

md_to_toml() {
    if [[ ! -f "$1" ]]; then
        echo "file no existy"
        return
    fi
    md_file="$1"
    descr=$(grep -oP '(?<=description: )[^.]+' ${md_file} | tr -d '"')
    prompt=$(tail -n1 ${md_file})
    toml_output="$(basename "$1" .md).toml"
    echo "description = \"${descr}\"" >> ${toml_output}
    echo "prompt = \"${prompt}\"" >> ${toml_output}
}
rm -rf ./skills
rm -rf ./commands
SUPERPOWERS_PATH="${1:-/home/user/github/superpowers}"
msg "Using 'superpowers' path at: ${SUPERPOWERS_PATH}"
if [[ ! -d "${SUPERPOWERS_PATH}" ]]; then
    die "Superpowers Directory not found!\nPlease pass it as argument 1 or clone into 'cd ~/github && git clone https://github.com/obra/superpowers/'"
fi

for superpowers_subdir in "skills" "commands"; do
    if [[ ! -d "${SUPERPOWERS_PATH}/${superpowers_subdir}" ]]; then
        _die "Sub directory '${superpowers_subdir}' not found, exiting..."
    fi
done

mkdir -p commands/superpowers
mkdir skills && cd $_

for skills in ${SUPERPOWERS_PATH}/skills/*; do
    target="$(basename "${skills}")"
    cp -r ${skills} ${target}
    cd ${target}
    replace=$(<SKILL.md head -n2 | tail -n1)
    renamed="superpowers:$(echo "${replace}" |cut -d" " -f2)"
    new="name: ${renamed}"
    
    sed -i "s|${replace}|${new}|gm" SKILL.md
    cd ..
done
rm -rf ./writing-skills/ # not supported in gemini for now!


declare -A SKILL_REPLACEMENTS
SKILL_REPLACEMENTS["CLAUDE.md"]="GEMINI.md"
SKILL_REPLACEMENTS[".claude"]=".gemini"
SKILL_REPLACEMENTS["Claude Code"]="Gemini"
SKILL_REPLACEMENTS["Claude"]="Gemini"
set +o errexit
for replacement in "${!SKILL_REPLACEMENTS[@]}"; do
    grep -zlr "${replacement}" | xargs -I{} sed -i "s|${replacement}|${SKILL_REPLACEMENTS[${replacement}]}|gm" {} 
done
set -o errexit
cd ..

cd commands/superpowers
for command in ${SUPERPOWERS_PATH}/commands/*; do
    md_to_toml "${command}"
done

popd &>/dev/null

cat <<EOF > gemini-extension.json
{
  "name": "gemini-superpowers",
  "version": "1.0.0"
}
EOF

msg "\"Setup\" complete."
read -r -p "Install? [Y/n] " response
response=${response:-Y}
if [[ "$response" =~ ^[Yy] ]]; then
    gemini extensions link .
else
    echo "Installation aborted."
fi