95 lines
2.6 KiB
Bash
Executable File
95 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# safety subshell to avoid executing anything in case this script is not downloaded properly
|
|
(
|
|
|
|
: "${GHCUP_INSTALL_BASE_PREFIX:=$HOME}"
|
|
|
|
die() {
|
|
(>&2 printf "\\033[0;31m%s\\033[0m\\n" "$1")
|
|
exit 2
|
|
}
|
|
|
|
edo()
|
|
{
|
|
(>&2 printf "\\033[0;35m%s\\033[0m\\n" "$*")
|
|
"$@" || exit 2
|
|
}
|
|
|
|
echo
|
|
echo "Welcome to Haskell!"
|
|
echo
|
|
echo "This will download and install the Glasgow Haskell Compiler (GHC) for "
|
|
echo "the Haskell programming language, and the Cabal build tool."
|
|
echo
|
|
echo "It will add the 'cabal', 'ghc', and 'ghcup' executables to bin directory "
|
|
echo "located at: "
|
|
echo
|
|
echo " $GHCUP_INSTALL_BASE_PREFIX/.ghcup/bin"
|
|
echo
|
|
echo "and create the environment file $GHCUP_INSTALL_BASE_PREFIX/.ghcup/env"
|
|
echo "which you should source in your ~/.bashrc or similar to get the required"
|
|
echo "PATH components."
|
|
echo
|
|
|
|
if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
|
|
echo "To proceed with the ghcup installation press enter, to cancel press ctrl-c."
|
|
echo "Note that this script can be re-run at any given time."
|
|
echo
|
|
# Wait for user input to continue.
|
|
# shellcheck disable=SC2034
|
|
read -r answer </dev/tty
|
|
fi
|
|
|
|
edo mkdir -p "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin
|
|
|
|
if command -V "ghcup" >/dev/null 2>&1 ; then
|
|
if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then
|
|
edo ghcup upgrade
|
|
fi
|
|
else
|
|
edo curl https://raw.githubusercontent.com/haskell/ghcup/master/ghcup > "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/ghcup
|
|
edo chmod +x "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/ghcup
|
|
|
|
cat <<-EOF > "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/env || die "Failed to create env file"
|
|
export PATH="\$HOME/.cabal/bin:\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/bin:\$PATH"
|
|
EOF
|
|
# shellcheck disable=SC1090
|
|
edo . "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/env
|
|
fi
|
|
|
|
echo
|
|
echo "To install and run GHC you need the following dependencies:"
|
|
echo " $(ghcup print-system-reqs)"
|
|
echo
|
|
|
|
if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
|
|
echo "You may want to install these now, then press enter to proceed"
|
|
echo "or press ctrl-c to abort."
|
|
echo "Installation may take a while."
|
|
echo
|
|
|
|
# Wait for user input to continue.
|
|
# shellcheck disable=SC2034
|
|
read -r answer </dev/tty
|
|
fi
|
|
|
|
edo ghcup --cache install
|
|
|
|
edo ghcup set
|
|
edo ghcup --cache install-cabal
|
|
|
|
edo cabal new-update
|
|
|
|
printf "\\033[0;35m%s\\033[0m\\n" ""
|
|
printf "\\033[0;35m%s\\033[0m\\n" "Installation done!"
|
|
printf "\\033[0;35m%s\\033[0m\\n" ""
|
|
printf "\\033[0;35m%s\\033[0m\\n" "Don't forget to source $GHCUP_INSTALL_BASE_PREFIX/.ghcup/env in your ~/.bashrc or similar."
|
|
printf "\\033[0;35m%s\\033[0m\\n" ""
|
|
|
|
|
|
)
|
|
|
|
# vim: tabstop=4 shiftwidth=4 expandtab
|
|
|