Custom FFmpeg Makefile - Builds a deb file from "yt-dlp/FFmpeg-Builds" latest release.

ffmpeg_makefile.sh

#!/usr/bin/env bash
set -euo pipefail

TARBALL_URL="https://github.com/yt-dlp/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-linux64-gpl.tar.xz"
RELEASE_URL="https://github.com/yt-dlp/FFmpeg-Builds/releases/tag/latest"
TEMP_DIR="$(mktemp -d)"
TARBALL_NAME="ffmpeg.tar.xz"
PACKAGE_BASE="yt-dlp-ffmpeg"
ARCH="amd64"
MAINTAINER="Gustavo Moraes <[email protected]>"
DESCRIPTION="Custom static build of FFmpeg from yt-dlp repository."
REQUIRED_CMDS=("wget" "curl" "awk" "tar" "mkdir" "cp" "install" "dpkg-deb")

error_exit(){ echo "ERROR: $1" >&2; exit 1; }
check_deps(){ for c in "${REQUIRED_CMDS[@]}"; do command -v "$c" &>/dev/null || error_exit "Missing: $c"; done; }

download_and_extract(){
  echo -e "\n>> Downloading FFmpeg...\n"
  wget --show-progress -O "$TEMP_DIR/$TARBALL_NAME" "$TARBALL_URL" \
    || error_exit "Download failed"
  echo -e "\n>> Extracting...\n"
  tar -xf "$TEMP_DIR/$TARBALL_NAME" -C "$TEMP_DIR" \
    || error_exit "Extraction failed"
}

detect_version() {
  echo -e "\n>> Detecting version from latest release page...\n"
  VERSION=$(curl -fsSL "$RELEASE_URL" | \
    grep -oP 'Latest Auto-Build \(\K[0-9]{4}-[0-9]{2}-[0-9]{2}(?= [0-9]{2}:[0-9]{2})' | head -n1)

  if [[ -z "$VERSION" ]]; then
    error_exit "Failed to detect FFmpeg version from the release page"
  fi

  echo "-> Version detected: $VERSION"
}

prepare(){
  PKG_ROOT="$TEMP_DIR/$VERSION"
  mkdir -p "$PKG_ROOT"/{DEBIAN,usr/bin,usr/share/man/man1,usr/share/man/man3,usr/share/doc/$PACKAGE_BASE}
  install -m755 "$TEMP_DIR"/ffmpeg-master-*/bin/* "$PKG_ROOT/usr/bin/"
  install -m644 "$TEMP_DIR"/ffmpeg-master-*/man/man1/* "$PKG_ROOT/usr/share/man/man1/"
  install -m644 "$TEMP_DIR"/ffmpeg-master-*/man/man3/* "$PKG_ROOT/usr/share/man/man3/"
  cp -r "$TEMP_DIR"/ffmpeg-master-*/doc/* "$PKG_ROOT/usr/share/doc/$PACKAGE_BASE/"
  install -m644 "$TEMP_DIR"/ffmpeg-master-*/LICENSE.txt "$PKG_ROOT/usr/share/doc/$PACKAGE_BASE/"
}

create_control(){
  ctrl="$PKG_ROOT/DEBIAN/control"
  echo -e "\n>> Creating control file...\n"
  cat > "$ctrl" <<EOF
Package: $PACKAGE_BASE
Version: $VERSION
Section: video
Priority: optional
Architecture: $ARCH
Maintainer: $MAINTAINER
Description: $DESCRIPTION
EOF
  chmod 0644 "$ctrl"
}

build_deb(){
  out="${PACKAGE_BASE}_${VERSION}_${ARCH}.deb"
  echo -e "\n>> Building .deb with ZSTD compression...\n"
  dpkg-deb --build -Zzstd -z19 --root-owner-group "$PKG_ROOT" "$TEMP_DIR/$out"
  mv "$TEMP_DIR/$out" "$(pwd)/$out"
  echo -e "\n>>> Package ready: $(pwd)/$out\n"
}

cleanup(){
  echo -e "\n>> Cleaning temporary files...\n"
  rm -rf "$TEMP_DIR"
}

main(){
  check_deps
  detect_version
  download_and_extract
  prepare
  create_control
  build_deb
  cleanup
}

main