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Improve shell detection in bootstrap-haskell wrt #121

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Julian Ospald 2019-11-26 12:20:13 +08:00
parent 6afec9094d
commit 7034131632
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1 changed files with 37 additions and 26 deletions
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bootstrap-haskell
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@ -96,39 +96,50 @@ if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
echo "You may want to source '$GHCUP_INSTALL_BASE_PREFIX/.ghcup/env' in your shell"
echo "configuration to do so (e.g. ~/.bashrc)."
if [ -f "$HOME/.bashrc" ] ; then
case $SHELL in
*/zsh) # login shell is zsh
GHCUP_PROFILE_FILE="$HOME/.zshrc"
MY_SHELL="zsh" ;;
*/bash) # login shell is bash
if [ -f "$HOME/.bashrc" ] ; then # bashrc is not sourced by default, so assume it isn't if file does not exist
GHCUP_PROFILE_FILE="$HOME/.bashrc"
elif [ -f "$HOME/.bash_profile" ] ; then
GHCUP_PROFILE_FILE="$HOME/.bash_profile"
else
# most complaints we get are from mac users who
# need assistance of setting up their shell, so suggest
# to create .bash_profile, which is a good guess
GHCUP_PROFILE_FILE="$HOME/.bash_profile"
fi
if [ -f "${GHCUP_PROFILE_FILE}" ] ; then
printf "\\033[0;35m%s\\033[0m\\n" ""
printf "\\033[0;35m%s\\033[0m\\n" "Detected \"${GHCUP_PROFILE_FILE}\" on your system..."
printf "\\033[0;35m%s\\033[0m\\n" "If you want ghcup to automatically fix your \"${GHCUP_PROFILE_FILE}\" to include the required PATH variable"
printf "\\033[0;35m%s\\033[0m\\n" "answer with YES, otherwise with NO and press ENTER."
printf "\\033[0;35m%s\\033[0m\\n" ""
elif [ -n "${BASH}" ] ; then # only suggest to create .bash_profile if we are in a bash shell
printf "\\033[0;35m%s\\033[0m\\n" ""
printf "\\033[0;35m%s\\033[0m\\n" "Detected bash shell on your system..."
printf "\\033[0;35m%s\\033[0m\\n" "If you want ghcup to automatically create \"${GHCUP_PROFILE_FILE}\" and include the required PATH variable"
printf "\\033[0;35m%s\\033[0m\\n" "answer with YES, otherwise with NO and press ENTER."
printf "\\033[0;35m%s\\033[0m\\n" ""
MY_SHELL="bash" ;;
*/sh) # login shell is sh, but might be a symlink to bash or zsh
if [ -n "${BASH}" ] ; then
if [ -f "$HOME/.bashrc" ] ; then # bashrc is not sourced by default, so assume it isn't if file does not exist
GHCUP_PROFILE_FILE="$HOME/.bashrc"
else
GHCUP_PROFILE_FILE="$HOME/.bash_profile"
fi
MY_SHELL="bash"
elif [ -n "${ZSH_VERSION}" ] ; then
GHCUP_PROFILE_FILE="$HOME/.zshrc"
MY_SHELL="zsh"
else
exit 0
fi
;;
*) exit 0 ;;
esac
printf "\\033[0;35m%s\\033[0m\\n" ""
printf "\\033[0;35m%s\\033[0m\\n" "Detected ${MY_SHELL} shell on your system..."
printf "\\033[0;35m%s\\033[0m\\n" "If you want ghcup to automatically add the required PATH variable to \"${GHCUP_PROFILE_FILE}\""
printf "\\033[0;35m%s\\033[0m\\n" "answer with YES, otherwise with NO and press ENTER."
printf "\\033[0;35m%s\\033[0m\\n" ""
while true; do
read -r next_answer </dev/tty
case $next_answer in
[Yy]*)
echo "source $GHCUP_INSTALL_BASE_PREFIX/.ghcup/env" >> "${GHCUP_PROFILE_FILE}"
echo "[ -f \"\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/env\" ] && source \"\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/env\"" >> "${GHCUP_PROFILE_FILE}"
printf "\\033[0;35m%s\\033[0m\\n" "OK! ${GHCUP_PROFILE_FILE} has been modified. Restart your terminal for the changes to take effect,"
printf "\\033[0;35m%s\\033[0m\\n" "or type \"source ${GHCUP_INSTALL_BASE_PREFIX}/.ghcup/env\" to apply them in your current terminal session."
exit 0;;