#!/bin/bash

# Slackware build script for grype
# Copyright (c) 2026 Moletastic
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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

PRGNAM=grype
VERSION=${VERSION:-0.120.1}
BUILD=${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 [ -n "$PRINT_PACKAGE_NAME" ]; then
  echo "$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"
tar xvf "$CWD/$PRGNAM-$VERSION-vendor.tar.gz"

chown -R root:root .
find . ! -type l -a \
  \( -perm /111 -a ! -perm 755 -a -exec chmod 755 {} \+ \) -o \
  \( ! -type l -a ! -perm /111 -a ! -perm 644 \
     -a -exec chmod 644 {} \+ \)

export CGO_ENABLED=0
export GOTOOLCHAIN=local
export GOPROXY=off
export GOSUMDB=off
export GRYPE_CHECK_FOR_APP_UPDATE=false
export GRYPE_DB_AUTO_UPDATE=false
export GOCACHE="$TMP/go-cache-$PRGNAM"
export TMPDIR="$TMP/go-tmp-$PRGNAM"
mkdir -p "$GOCACHE" "$TMPDIR"

# Match upstream's Linux container-storage support without native libraries.
mkdir -p build-bin
go build \
  -mod=vendor \
  -buildvcs=false \
  -trimpath \
  -tags=containers_image_openpgp,exclude_graphdriver_btrfs \
  -ldflags="-s -w -X main.version=$VERSION" \
  -o build-bin/grype ./cmd/grype

install -D -m 0755 build-bin/grype "$PKG/usr/bin/grype"

mkdir -p "$PKG/usr/share/bash-completion/completions" \
  "$PKG/usr/share/zsh/site-functions" \
  "$PKG/usr/share/fish/vendor_completions.d"
./build-bin/grype completion bash > "$PKG/usr/share/bash-completion/completions/grype"
./build-bin/grype completion zsh > "$PKG/usr/share/zsh/site-functions/_grype"
./build-bin/grype completion fish > "$PKG/usr/share/fish/vendor_completions.d/grype.fish"

mkdir -p "$PKG/usr/doc/$PRGNAM-$VERSION"
cp -a LICENSE README.md "$PKG/usr/doc/$PRGNAM-$VERSION/"
cat "$CWD/$PRGNAM.SlackBuild" \
  > "$PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild"

mkdir -p "$PKG/usr/doc/$PRGNAM-$VERSION/licenses"
find vendor -type f \
  \( -iname 'license*' -o -iname 'copying*' -o -iname 'notice*' \
     -o -iname 'copyright*' \) \
  -exec cp --parents -t "$PKG/usr/doc/$PRGNAM-$VERSION/licenses/" {} \+

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"