#!/bin/bash -e
#
# script/bottle
# mas
#
# Builds bottles of mas Homebrew formula for custom tap:
# https://github.com/mas-cli/homebrew-tap
#

################################################################################
#
# Variables
#

BUILD_DIR="$PWD/build"
BOTTLE_DIR="$BUILD_DIR/bottles"
VERSION=$(script/version)
ROOT_URL="https://dl.bintray.com/phatblat/mas-bottles"

# Supports macOS versions 11.0 (arm64 & x86_64), 10.15, 10.14, 10.13, 10.12, 10.11
# NOTE: The built bottle will have the *current* macOS name, which is why the
#       latest is first in the list (aka ${OS_VERSIONS[0]})
# TODO: Add support for arm64_big_sur
OS_VERSIONS=(big_sur catalina mojave high_sierra sierra el_capitan)

# Output filename from build-bottle command
OLD_FILENAME="mas--${VERSION}.${OS_VERSIONS[0]}.bottle.tar.gz"

################################################################################
#
# Preflight checks
#

# Ensure core formula isn't shadowed by custom tap
brew tap --list-pinned | grep mas-cli/tap && brew tap-unpin mas-cli/tap

# Uninstall if necessary
if brew ls --versions mas > /dev/null; then
    brew uninstall mas
fi

# Uninstall if still found on path
if command -v mas > /dev/null; then
    script/uninstall || true # ignore failure
fi

# Purge the Carthage cache to avoid this error from Homebrew sandboxing:
# A shell task (/usr/bin/env git checkout --quiet --force 0.15.0 (launched in /Users/ben/Library/Caches/org.carthage.CarthageKit/dependencies/Commandant)) failed with exit code 128:
# fatal: Unable to create '/Users/ben/Library/Caches/org.carthage.CarthageKit/dependencies/Commandant/./index.lock': Operation not permitted
rm -rf ~/Library/Caches/org.carthage.CarthageKit

################################################################################
#
# Build the formula for the current macOS version and architecture.
#

echo "==> 🍼 Bottling mas ${VERSION} for: ${OS_VERSIONS[*]}"
brew install --build-bottle mas

# Generate bottle do block, dropping last 2 lines
brew bottle --verbose --no-rebuild --root-url=$ROOT_URL mas
SHA256=$(shasum --algorithm 256 "${OLD_FILENAME}" | cut -f 1 -d ' ' -)

mkdir -p "$BOTTLE_DIR"

# Start of bottle block
BOTTLE_BLOCK=$(cat <<-EOF
bottle do
  root_url "$ROOT_URL"
EOF
)

################################################################################
#
# Copy the bottle for all macOS version + architecture combinations.
#

# Fix filename
for os in ${OS_VERSIONS[*]}; do
    new_filename="mas-${VERSION}.${os}.bottle.tar.gz"
    cp -v "${OLD_FILENAME}" "${BOTTLE_DIR}/${new_filename}"

    # Append each os
    # BOTTLE_BLOCK="$(printf "${BOTTLE_BLOCK}\n  sha256 cellar: :any, %-15s %s" "${os}:" "${SHA256}")"
    BOTTLE_BLOCK="$BOTTLE_BLOCK"$(cat <<-EOF

    sha256 cellar: :any, $os: "$SHA256"
EOF
)
done

# End of bottle block
BOTTLE_BLOCK=$(cat <<-EOF

end
EOF
)

rm "${OLD_FILENAME}"
ls -l "${BOTTLE_DIR}"
echo "${BOTTLE_BLOCK}"