Install script for Mew

make-mew

#!/bin/bash
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# declare variables
full_cmdname="$0"
cmdname=$(basename -- "$full_cmdname" ".sh")
LD_RUN_PATH="/usr/local/lib"
export LD_RUN_PATH

# define functions
function error(){
	[[ "$#" -gt 0 ]] && printf -- "%b\n" "$*" 1>&2
	exit 1
}

function yes_no(){
	local _prompt="(yes/no) "

	[[ "$#" -gt 0 ]] && _prompt="$@ $_prompt"

	while [[ 1 ]]; do
		read -p "$_prompt"

		REPLY=$(tr '[A-Z]' '[a-z]' <<< "$REPLY")

		case "$REPLY" in
			yes)	return 0;;
			no)		return 1;;
		esac

		_prompt="Please answer (yes/no) "
	done
}

# check the current directory
basename=$(basename -- "$PWD")

if ! grep -qxe 'mew-[0-9]\+\.[0-9]' <<< "$basename" ; then
	error "${cmdname}: Please execute this script at \`mew-(version)' directory"
fi

# prefix
read -p "${cmdname}: Prefix (default /usr/local): " prefix

[[ -z "$prefix" ]] && prefix="/usr/local"

# emacs flavor
read -p "${cmdname}: Emacs version: " emacs_version

emacs="${prefix}/bin/emacs-$emacs_version"

[[ -x "$emacs" ]] || error "${cmdname}: Not found \`$emacs'"

# lisp directory
site_lisp="${prefix}/share/emacs/${emacs_version}/site-lisp"

[[ -d "$site_lisp" ]] || error "${cmdname}: No such directory \`$site_lisp'"

elispdir="${site_lisp}/.$basename"

# etc directory
etcdir="${elispdir}/etc"

# configure options
configure_opts="--prefix=${prefix} --with-emacs=${emacs} --with-elispdir=${elispdir} --with-etcdir=${etcdir}"

# do configure
./configure $configure_opts 2>&1 | tee -- "${basename}_configure.log"
[[ "${PIPESTATUS[0]}" -eq 0 ]] || exit ${PIPESTATUS[0]}

# do make all
make all 2>&1 | tee -- "${basename}_make.log"
[[ "${PIPESTATUS[0]}" -eq 0 ]] || exit ${PIPESTATUS[0]}

# do make install install-jinfo
if yes_no "${cmdname}: Do \`make install install-jinfo'?"; then
	sudo make install install-jinfo 2>&1 | tee -- "${basename}_make-install.log"
	[[ "${PIPESTATUS[0]}" -eq 0 ]] || exit ${PIPESTATUS[0]}

	sudo ln -sf -- ".$basename" "${site_lisp}/mew" || exit $?
	sudo touch -- "${etcdir}/.nosearch" || exit $?
	[[ -d "contrib" ]] && { sudo cp -r -- contrib "$elispdir" || exit $?; }
fi

exit 0

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