[config]
default_to_workspace = false

# CI

[tasks.ci-fmt]
command = "cargo"
args = ["fmt", "--all", "--", "--check"]

[tasks.ci-clippy]
command = "cargo"
args = ["clippy", "--all-targets", "--all-features"]

# Prepare compilation environment

[tasks.prepare-mac]
dependencies = [
    "install-targets",
    "setup-cross-compilation-environment-mac-host",
]

# Cross compilation setup

[tasks.setup-cross-compilation-environment-mac-host]
dependencies = [
  "setup-mac-to-linux-cross-compilation-environment",
  "setup-mac-to-windows-cross-compilation-environment",
]

[tasks.setup-mac-to-windows-cross-compilation-environment]
command = "brew"
args = ["install", "mingw-w64"]

[tasks.setup-mac-to-linux-cross-compilation-environment.env]
# From time to time the download link gets taken down and needs to be replaced with a new one.
# Here's where the current download link was found:
# https://packages.debian.org/buster/amd64/libssl-dev/download
OPENSSL_AMD64_PACKAGE_NAME = "libssl-dev_1.1.1d-0+deb10u7_amd64.deb"
OPENSSL_ARM64_PACKAGE_NAME = "libssl-dev_1.1.1d-0+deb10u7_arm64.deb"
OPENSSL_AMD64_DOWNLOAD_URL = "http://ftp.us.debian.org/debian/pool/main/o/openssl/${OPENSSL_AMD64_PACKAGE_NAME}"
OPENSSL_ARM64_DOWNLOAD_URL = "http://ftp.us.debian.org/debian/pool/main/o/openssl/${OPENSSL_ARM64_PACKAGE_NAME}"

[tasks.setup-mac-to-linux-cross-compilation-environment]
script = '''
    set -e

    # https://github.com/messense/homebrew-macos-cross-toolchains
    
    # Install a pre-built cross compiler
    brew tap messense/macos-cross-toolchains
    
    brew install x86_64-unknown-linux-gnu
    brew install aarch64-unknown-linux-gnu

    mkdir -p target
    cd target

    # Get openssl amd64
   
    curl -O ${OPENSSL_AMD64_DOWNLOAD_URL}
    ar p ${OPENSSL_AMD64_PACKAGE_NAME} data.tar.xz | tar xvf -
    rm -rf ${OPENSSL_AMD64_PACKAGE_NAME}

    # Get openssl arm64
    
    curl -O ${OPENSSL_ARM64_DOWNLOAD_URL}
    ar p ${OPENSSL_ARM64_PACKAGE_NAME} data.tar.xz | tar xvf -
    rm -rf ${OPENSSL_ARM64_PACKAGE_NAME}
    
    cd ..
'''


# Compilation targets

[tasks.install-targets]
dependencies = [
  "install-targets-mac",
  "install-targets-windows",
  "install-targets-linux",
]

[tasks.install-targets-mac]
command = "rustup"
args = [
  "target", "add",
  "aarch64-apple-darwin",
  "x86_64-apple-darwin",
]

[tasks.install-targets-windows]
command = "rustup"
args = [
  "target", "add",
  "x86_64-pc-windows-gnu",
]

[tasks.install-targets-linux]
command = "rustup"
args = [
  "target", "add",
  "x86_64-unknown-linux-gnu",
  "aarch64-unknown-linux-gnu",
]

# Compilation

[tasks.build]
dependencies = [
    "build-mac",
    "build-windows",
    "build-linux",
]

[tasks.build-mac]
dependencies = [
  "build-aarch64-apple-darwin",
  "build-x86_64-apple-darwin",
  "create-dir-for-universal-binary",
  "make-universal-binary",
  "compress-mac",
]

[tasks.build-aarch64-apple-darwin]
command = "cargo"
args = ["build", "--target", "aarch64-apple-darwin", "--release"]

[tasks.build-x86_64-apple-darwin]
command = "cargo"
args = ["build", "--target", "x86_64-apple-darwin", "--release"]

[tasks.create-dir-for-universal-binary]
script = '''
mkdir -p target/universal-binary
'''

[tasks.make-universal-binary]
command = "lipo"
args = ["-create", "target/aarch64-apple-darwin/release/pollenwall", "target/x86_64-apple-darwin/release/pollenwall", "-output", "target/universal-binary/pollenwall"]

[tasks.compress-mac]
command = "tar"
args = ["-zcvf", "target/pollenwall-universal-mac.tar.gz", "-C", "target/universal-binary", "pollenwall"]

[tasks.build-windows]
dependencies = [
  "build-x86_64-pc-windows-gnu",
  "compress-windows",
]

[tasks.build-x86_64-pc-windows-gnu]
script = '''
export CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER=x86_64-w64-mingw32-gcc

# Build 
cargo build --target=x86_64-pc-windows-gnu --release
'''

[tasks.compress-windows]
command = "tar"
args = ["-zcvf", "target/pollenwall-x86_64-windows.tar.gz", "-C", "target/x86_64-pc-windows-gnu/release", "pollenwall.exe"]

[tasks.build-linux]
dependencies = [
  "build-x86_64-unknown-linux-gnu",
  "build-aarch64-unknown-linux-gnu",
  "compress-linux",
]

[tasks.build-x86_64-unknown-linux-gnu]
script = '''

# Copy opensslconf.h to its expected place.
# Maybe there is a better fix for this but this is what I can think of at the moment.
# There are multiples of this header file for each platform.
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=733644
cp $(pwd)/target/usr/include/x86_64-linux-gnu/openssl/opensslconf.h $(pwd)/target/usr/include/openssl/opensslconf.h

# Point to openssl

export x86_64_UNKNOWN_LINUX_GNU_OPENSSL_DIR="$(pwd)/target/usr/"
export x86_64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR="$(pwd)/target/usr/lib/x86_64-linux-gnu/"
export x86_64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR="$(pwd)/target/usr/include"
export OPENSSL_DIR="$(pwd)/target/usr/"
export OPENSSL_LIB_DIR="$(pwd)/target/usr/lib/x86_64-linux-gnu/"
export OPENSSL_INCLUDE_DIR="$(pwd)/target/usr/include"

# Point to installed toolchains from 
# https://github.com/messense/homebrew-macos-cross-toolchains

export CC_x86_64_unknown_linux_gnu=x86_64-unknown-linux-gnu-gcc
export CXX_x86_64_unknown_linux_gnu=x86_64-unknown-linux-gnu-g++
export AR_x86_64_unknown_linux_gnu=x86_64-unknown-linux-gnu-ar
export CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER=x86_64-unknown-linux-gnu-gcc

# Build 
cargo build --target=x86_64-unknown-linux-gnu --release
'''

[tasks.build-aarch64-unknown-linux-gnu]
script = '''

# Copy opensslconf.h to its expected place.
# Maybe there is a better fix for this but this is what I can think of at the moment.
# There are multiples of this header file for each platform.
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=733644
cp $(pwd)/target/usr/include/aarch64-linux-gnu/openssl/opensslconf.h $(pwd)/target/usr/include/openssl/opensslconf.h

# Point to openssl

export AARCH64_UNKNOWN_LINUX_GNU_OPENSSL_DIR="$(pwd)/target/usr/"
export AARCH64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR="$(pwd)/target/usr/lib/aarch64-linux-gnu/"
export AARCH64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR="$(pwd)/target/usr/include"
export OPENSSL_DIR="$(pwd)/target/usr/"
export OPENSSL_LIB_DIR="$(pwd)/target/usr/lib/x86_64-linux-gnu/"
export OPENSSL_INCLUDE_DIR="$(pwd)/target/usr/include"

# Point to installed toolchains from 
# https://github.com/messense/homebrew-macos-cross-toolchains

export CC_aarch64_unknown_linux_gnu=aarch64-unknown-linux-gnu-gcc
export CXX_aarch64_unknown_linux_gnu=aarch64-unknown-linux-gnu-g++
export AR_aarch64_unknown_linux_gnu=aarch64-unknown-linux-gnu-ar
export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-unknown-linux-gnu-gcc

# Build 
cargo build --target=aarch64-unknown-linux-gnu --release
'''

[tasks.compress-linux]
dependencies = [
  "compress-x86_64-unknown-linux-gnu",
  "compress-aarch64-unknown-linux-gnu",
]

[tasks.compress-x86_64-unknown-linux-gnu]
command = "tar"
args = ["-zcvf", "target/pollenwall-x86_64-linux.tar.gz", "-C", "target/x86_64-unknown-linux-gnu/release", "pollenwall"]

[tasks.compress-aarch64-unknown-linux-gnu]
command = "tar"
args = ["-zcvf", "target/pollenwall-arm64-linux.tar.gz", "-C", "target/aarch64-unknown-linux-gnu/release", "pollenwall"]