#!/usr/bin/env bash
# Usage: $0 LIBDIR MAJOR MINOR VERSION
set -e
LOGFILE="/tmp/backfill_symlinks_debug.log"
echo "[start] $(date) $0 $*" >> "$LOGFILE"
LIBDIR="$1"
MAJOR="$2"
MINOR="$3"
VERSION="$4"
DESTDIR="${DESTDIR:-}"
PREFIX="${MESON_INSTALL_PREFIX:-/usr/local}"
TARGET_DIR="${DESTDIR}${PREFIX}/$LIBDIR"
echo "[args] LIBDIR=$LIBDIR MAJOR=$MAJOR MINOR=$MINOR VERSION=$VERSION" >> "$LOGFILE"
echo "[env] DESTDIR=$DESTDIR MESON_INSTALL_PREFIX=$PREFIX" >> "$LOGFILE"
echo "[resolved] TARGET_DIR=$TARGET_DIR" >> "$LOGFILE"

# Ensure the target directory exists
mkdir -p "$TARGET_DIR"

TARGET="libderp.so.$VERSION"
for ((i=0; i<=MINOR; i++)); do
  SYMLINK="$TARGET_DIR/libderp.so.$MAJOR.$i"
  echo "[symlink] Creating $SYMLINK -> $TARGET" >> "$LOGFILE"
  ln -sf "$TARGET" "$SYMLINK"
done