#!/bin/bash

# Slackware build script for fzf

# Copyright 2016-2022 Andrew Clemons, Wellington New Zealand
# Copyright 2022-2026 Andrew Clemons, Tokyo Japan
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=fzf
VERSION=${VERSION:-0.74.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION

# Vendor the Go module dependencies offline.
mapfile -t GO_MODULES < <(go mod edit -json go.mod | python3 -c "
import json
import sys
for r in json.load(sys.stdin).get('Require', []):
    print(r['Path'])
")
mapfile -t GO_TARBALLS < <(grep -oE 'https?://[^ ]+\.tar\.gz' $CWD/$PRGNAM.info | sed 's#.*/##')

GO_PAIRS=()
for i in "${!GO_MODULES[@]}"; do
  GO_PAIRS+=("${GO_MODULES[$i]} ${GO_TARBALLS[$(( i + 1 ))]}")
done

mapfile -t GO_PAIRS < <(printf '%s\n' "${GO_PAIRS[@]}" | sort)

rm -rf vendor
mkdir -p vendor

for PAIR in "${GO_PAIRS[@]}"; do
  MODULE="${PAIR% *}"
  TARBALL="${PAIR##* }"

  MODTMP="$(mktemp -d)"
  tar xf $CWD/$TARBALL -C "$MODTMP"
  MODTOP="$(find "$MODTMP" -mindepth 1 -maxdepth 1 -type d | head -1)"

  MODSRC="$(grep -rlxF "module $MODULE" --include=go.mod "$MODTOP" 2>/dev/null | head -1 || true)"
  if [ -n "$MODSRC" ]; then
    MODSRC="$(dirname "$MODSRC")"
  else
    MODSRC="$MODTOP"
  fi

  find "$MODSRC" -mindepth 2 -name go.mod -printf '%h\n' | sort -ru | xargs -r rm -rf

  mkdir -p "vendor/$(dirname "$MODULE")"
  rm -rf "vendor/$MODULE"
  mv "$MODSRC" "vendor/$MODULE"

  rm -rf "$MODTMP"
done

cat > vendor/modules.txt << "EOF"
# github.com/charlievieth/fastwalk v1.0.14
## explicit; go 1.21
github.com/charlievieth/fastwalk
github.com/charlievieth/fastwalk/internal/dirent
github.com/charlievieth/fastwalk/internal/fmtdirent
# github.com/gdamore/encoding v1.0.1
## explicit; go 1.9
github.com/gdamore/encoding
# github.com/gdamore/tcell/v2 v2.9.0
## explicit; go 1.23.0
github.com/gdamore/tcell/v2
github.com/gdamore/tcell/v2/terminfo
github.com/gdamore/tcell/v2/terminfo/a/aixterm
github.com/gdamore/tcell/v2/terminfo/a/alacritty
github.com/gdamore/tcell/v2/terminfo/a/ansi
github.com/gdamore/tcell/v2/terminfo/b/beterm
github.com/gdamore/tcell/v2/terminfo/base
github.com/gdamore/tcell/v2/terminfo/c/cygwin
github.com/gdamore/tcell/v2/terminfo/d/dtterm
github.com/gdamore/tcell/v2/terminfo/dynamic
github.com/gdamore/tcell/v2/terminfo/e/emacs
github.com/gdamore/tcell/v2/terminfo/extended
github.com/gdamore/tcell/v2/terminfo/f/foot
github.com/gdamore/tcell/v2/terminfo/g/gnome
github.com/gdamore/tcell/v2/terminfo/h/hpterm
github.com/gdamore/tcell/v2/terminfo/k/konsole
github.com/gdamore/tcell/v2/terminfo/k/kterm
github.com/gdamore/tcell/v2/terminfo/l/linux
github.com/gdamore/tcell/v2/terminfo/p/pcansi
github.com/gdamore/tcell/v2/terminfo/r/rxvt
github.com/gdamore/tcell/v2/terminfo/s/screen
github.com/gdamore/tcell/v2/terminfo/s/simpleterm
github.com/gdamore/tcell/v2/terminfo/s/sun
github.com/gdamore/tcell/v2/terminfo/t/tmux
github.com/gdamore/tcell/v2/terminfo/v/vt100
github.com/gdamore/tcell/v2/terminfo/v/vt102
github.com/gdamore/tcell/v2/terminfo/v/vt220
github.com/gdamore/tcell/v2/terminfo/v/vt320
github.com/gdamore/tcell/v2/terminfo/v/vt400
github.com/gdamore/tcell/v2/terminfo/v/vt420
github.com/gdamore/tcell/v2/terminfo/v/vt52
github.com/gdamore/tcell/v2/terminfo/w/wy50
github.com/gdamore/tcell/v2/terminfo/w/wy60
github.com/gdamore/tcell/v2/terminfo/w/wy99_ansi
github.com/gdamore/tcell/v2/terminfo/x/xfce
github.com/gdamore/tcell/v2/terminfo/x/xterm
github.com/gdamore/tcell/v2/terminfo/x/xterm_ghostty
github.com/gdamore/tcell/v2/terminfo/x/xterm_kitty
# github.com/junegunn/go-shellwords v0.0.0-20250127100254-2aa3b3277741
## explicit; go 1.13
github.com/junegunn/go-shellwords
# github.com/lucasb-eyer/go-colorful v1.2.0
## explicit; go 1.12
github.com/lucasb-eyer/go-colorful
# github.com/mattn/go-isatty v0.0.22
## explicit; go 1.21
github.com/mattn/go-isatty
# github.com/mattn/go-runewidth v0.0.16
## explicit; go 1.9
github.com/mattn/go-runewidth
# github.com/rivo/uniseg v0.4.7
## explicit; go 1.18
github.com/rivo/uniseg
# golang.org/x/sys v0.35.0
## explicit; go 1.23.0
golang.org/x/sys/plan9
golang.org/x/sys/unix
golang.org/x/sys/windows
# golang.org/x/term v0.34.0
## explicit; go 1.23.0
golang.org/x/term
# golang.org/x/text v0.28.0
## explicit; go 1.23.0
golang.org/x/text/encoding
golang.org/x/text/encoding/internal/identifier
golang.org/x/text/transform
EOF

chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

sed -i 's/-trimpath/-trimpath -mod=vendor/g' Makefile
FZF_VERSION="$VERSION" FZF_REVISION="Slackware" make

mkdir -p $PKG/usr/bin
install -m 0755 target/fzf-linux_* $PKG/usr/bin/fzf
install -m 0755 bin/fzf-tmux $PKG/usr/bin/fzf-tmux

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/man/man1
install -m 0644 man/man1/fzf.1 $PKG/usr/man/man1/fzf.1

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/share/bash-completion/completions/
install -m 0644 shell/completion.bash $PKG/usr/share/bash-completion/completions/fzf

mkdir -p $PKG/usr/share/zsh/site-functions/
install -m 0644 shell/completion.zsh $PKG/usr/share/zsh/site-functions/_fzf

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  BUILD.md CHANGELOG.md LICENSE README-VIM.md README.md shell/key-bindings.zsh shell/key-bindings.bash \
  $PKG/usr/doc/$PRGNAM-$VERSION

mkdir -p $PKG/usr/share/fzf
cp -a \
   shell/key-bindings.zsh shell/key-bindings.bash \
   $PKG/usr/share/fzf

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

WITH_VIM=${WITH_VIM:-yes}
if [ "$WITH_VIM" = "yes" ] ; then
  mkdir -p $PKG/usr/share/vim/vimfiles/plugin
  install -m 0644 plugin/fzf.vim $PKG/usr/share/vim/vimfiles/plugin

  mkdir -p $PKG/usr/share/vim/vimfiles/doc/
  install -m 0644 doc/fzf.txt $PKG/usr/share/vim/vimfiles/doc/

  # neovim support
  mkdir -p $PKG/usr/share/nvim/runtime/plugin
  mkdir -p $PKG/usr/share/nvim/runtime/doc
  (
    cd $PKG/usr/share/nvim/runtime


    ln -s ../../../vim/vimfiles/plugin/fzf.vim plugin/fzf.vim
    ln -s ../../../vim/vimfiles/doc/fzf.txt doc/fzf.txt
  )
else
  mkdir -p $PKG/usr/share/fzf/vim/
  install -m 0644 plugin/fzf.vim $PKG/usr/share/fzf/vim/
  install -m 0644 doc/fzf.txt $PKG/usr/share/fzf/vim/
fi

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE