termux-packages/scripts/build/setup/termux_setup_jailbreak_caba...

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# Utility script to setup jailbreak-cabal script. It is used by haskell build system to remove version
# constraints in cabal files.
termux_setup_jailbreak_cabal() {
if [ "${TERMUX_ON_DEVICE_BUILD}" = "false" ]; then
local TERMUX_JAILBREAK_VERSION=1.3.5
local TERMUX_JAILBREAK_TAR="${TERMUX_COMMON_CACHEDIR}/jailbreak-cabal-${TERMUX_JAILBREAK_VERSION}.tar.gz"
local TERMUX_JAILBREAK_RUNTIME_FOLDER
if [ "${TERMUX_PACKAGES_OFFLINE-false}" = "true" ]; then
TERMUX_JAILBREAK_RUNTIME_FOLDER="${TERMUX_SCRIPTDIR}/build-tools/jailbreak-cabal-${TERMUX_JAILBREAK_VERSION}-runtime"
else
TERMUX_JAILBREAK_RUNTIME_FOLDER="${TERMUX_COMMON_CACHEDIR}/jailbreak-cabal-${TERMUX_JAILBREAK_VERSION}-runtime"
fi
export PATH="${TERMUX_JAILBREAK_RUNTIME_FOLDER}:${PATH}"
[ -d "${TERMUX_JAILBREAK_RUNTIME_FOLDER}" ] && return
termux_download "https://github.com/MrAdityaAlok/ghc-cross-tools/releases/download/jailbreak-cabal-v${TERMUX_JAILBREAK_VERSION}/jailbreak-cabal-${TERMUX_JAILBREAK_VERSION}.tar.xz" \
"${TERMUX_JAILBREAK_TAR}" \
"8d1a8b8fadf48f4abf42da025d5cf843bd68e1b3c18ecacdc0cd0c9bd470c64e"
mkdir -p "${TERMUX_JAILBREAK_RUNTIME_FOLDER}"
tar xf "${TERMUX_JAILBREAK_TAR}" -C "${TERMUX_JAILBREAK_RUNTIME_FOLDER}"
rm "${TERMUX_JAILBREAK_TAR}"
else
if [[ "$TERMUX_MAIN_PACKAGE_FORMAT" = "debian" && "$(dpkg-query -W -f '${db:Status-Status}\n' jailbreak-cabal 2>/dev/null)" != "installed" ]] ||
[[ "$TERMUX_MAIN_PACKAGE_FORMAT" = "pacman" && ! "$(pacman -Q jailbreak-cabal 2>/dev/null)" ]]; then
echo "Package 'jailbreak-cabal' is not installed."
exit 1
fi
fi
}