#!/bin/bash

# Slackware build script for feroxbuster

# Copyright 2026 Danilo, Verona, Italy
# 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=feroxbuster
VERSION=${VERSION:-2.13.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

# Name of the vendored crates tarball (hosted by the maintainer).
VENDOR=${PRGNAM}-${VERSION}-vendor

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

# feroxbuster is only meaningfully supported on x86_64. Bail out clearly
# on other arches rather than failing deep in the Rust build.
if [ "$ARCH" != "x86_64" ]; then
  echo "$PRGNAM is only supported on x86_64."
  exit 1
fi

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

# Rust honors RUSTFLAGS; we don't pass the usual SLKCFLAGS to a C compiler
# here since cargo drives the build. Release profile handles optimization.
SLKCFLAGS=""
LIBDIRSUFFIX="64"

PKGNAM=$PRGNAM # PRINT_PACKAGE_NAME
if [ "$PRINT_PACKAGE_NAME" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

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

# Unpack the vendored crates alongside the source. The tarball extracts to
# a top-level vendor/ directory.
rm -rf vendor
tar xvf $CWD/$VENDOR.tar.gz

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 {} \+

# Point cargo at the vendored sources and forbid any network access.
# The directory is relative to the parent of .cargo/, i.e. the source
# root, so this is portable across build hosts (no absolute /tmp paths).
mkdir -p .cargo
cat > .cargo/config.toml <<EOF
[source.crates-io]
replace-with = "vendored-sources"

[source.vendored-sources]
directory = "vendor"

[net]
offline = true
EOF

# On Slackware -stable the system cargo is too old to read the v4
# Cargo.lock, so we build against rust-opt, which installs its toolchain
# under /opt/rust/bin (it ships no profile.d script). Put it first on
# PATH when present. On -current the system rust is new enough and this
# directory simply won't exist.
if [ -x /opt/rust/bin/cargo ]; then
  export PATH="/opt/rust/bin:$PATH"
fi

# Build release binary fully offline against the vendored crates.
# --locked guarantees Cargo.lock is honored and never rewritten.
export CARGO_HOME="$TMP/$PRGNAM-$VERSION/.cargo"
cargo build --release --offline --locked

# Install the binary.
install -D -m 0755 target/release/$PRGNAM $PKG/usr/bin/$PRGNAM

# Shell completions. feroxbuster can emit its own at runtime, but upstream
# also ships generated ones under shell_completions/ in the release tree.
if [ -d shell_completions ]; then
  install -D -m 0644 shell_completions/${PRGNAM}.bash \
    $PKG/usr/share/bash-completion/completions/$PRGNAM 2>/dev/null || true
  install -D -m 0644 shell_completions/${PRGNAM}.fish \
    $PKG/usr/share/fish/vendor_completions.d/${PRGNAM}.fish 2>/dev/null || true
  install -D -m 0644 shell_completions/_${PRGNAM} \
    $PKG/usr/share/zsh/site-functions/_${PRGNAM} 2>/dev/null || true
fi

# Sample configuration, shipped as .new so it never clobbers user edits.
if [ -f ferox-config.toml.example ]; then
  install -D -m 0644 ferox-config.toml.example \
    $PKG/etc/$PRGNAM/ferox-config.toml.new
fi

# Strip the binary.
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 $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CHANGELOG.md LICENSE README.md \
  $PKG/usr/doc/$PRGNAM-$VERSION 2>/dev/null || true
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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