# Build recipe for readline.
#
# Copyright (c) 2016-2019 Matias Fonzo, <selk@dragora.org>.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Exit immediately on any error
set -e

program=readline
version=8.0
release=1

# Define a category for the output of the package name
pkgcategory=libs

tarname=${program}-${version}.tar.gz

# Remote source(s)
fetch=ftp://ftp.gnu.org/gnu/readline/$tarname

description="
A library with line-editing capabilities.

GNU readline is a software library created and maintained by the
GNU Project.  It is licensed under the GPL, and used in projects
such as GNU bash.  It provides line-editing capabilities.
"

homepage=http://www.gnu.org/software/readline
license=GPLv3+

# Source documentation
docs="CHANGELOG CHANGES COPYING NEWS README USAGE"
docsdir="${docdir}/${program}-${version}"

build()
{
    unpack "${tardir}/$tarname"

    cd "$srcdir"

    # Set sane permissions
    chmod -R u+w,go-w,a+rX-s .

    # Apply patches from upstream
    for file in "${worktree}"/patches/readline/readline80-???*
    do
        if test -f "$file"
        then
            patch -Np0 -i "$file"
        fi
    done

    # To avoid underlink against ncursesw
    patch -Np1 -i "${worktree}/patches/readline/readline-ncurses-link.patch"

    # Reinstalling Readline will cause the old libraries to be moved to
    # <libraryname>.old, this avoid printing a harmful message about
    # the static libraries (thanks to LFS)
    sed -i '/MV.*old/d' Makefile.in
    sed -i '/{OLDSUFF}/c:' support/shlib-install

    ./configure CFLAGS="$QICFLAGS" LDFLAGS="$QILDFLAGS" \
     $configure_args \
     --libdir=/usr/lib${libSuffix} \
     --infodir=$infodir \
     --mandir=$mandir \
     --docdir=$docsdir \
     --enable-multibyte \
     --enable-static=yes \
     --enable-shared=yes \
     --build="$(gcc -dumpmachine)"

    make -j${jobs} V=1
    make -j${jobs} V=1 DESTDIR="$destdir" install

    # Copy our custom inputrc file
    mkdir -p "${destdir}/etc"
    cp -p "${worktree}/archive/readline/etc/inputrc" "${destdir}/etc/"
    chmod 644 "${destdir}/etc/inputrc"

    touch "${destdir}/etc/.graft-config"

    # Compress info documents deleting index file for the package
    if test -d "${destdir}/$infodir"
    then
        rm -f "${destdir}/${infodir}/dir"
        lzip -9 "${destdir}/${infodir}"/*
    fi

    # Compress and link man pages (if needed)
    if test -d "${destdir}/$mandir"
    then
        (
            cd "${destdir}/$mandir"
            find . -type f -exec lzip -9 {} +
            find . -type l | while read -r file
            do
                ln -sf "$(readlink -- "$file").lz" "${file}.lz"
                rm -- "$file"
            done
        )
    fi

    # Copy documentation
    mkdir -p "${destdir}${docsdir}"

    for file in $docs
    do
        cp -p $file "${destdir}${docsdir}"
    done
}

