release: yet another Nix Minecraft Module

2025-09-26 11:42:25 +02:00 · 2025-09-26 11:42:25 +02:00 · 839bb7de43
commit 839bb7de43
parent 9fdb947c2a
13 changed files with 1621 additions and 1 deletions
--- a/minecraft/Scripts/minecraft-template-backup.sh
+++ b/minecraft/Scripts/minecraft-template-backup.sh
@ -0,0 +1,134 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Injected by Nix 
+RSYNC_BIN="@RSYNC_BIN@"
+DATA_DIR="@DATA_DIR@"
+MCSTATUS_BIN="@MCSTATUS_BIN@"
+MCRCON_BIN="@MCRCON_BIN@"
+AWK_BIN="@AWK_BIN@"
+QUERY_PORT="@QUERY_PORT@"
+RCON_PORT="@RCON_PORT@"
+RCON_PASSWORD="@RCON_PASSWORD@"
+SERVER_NAME="@SERVER_NAME@"
+TAR_BIN="@TAR_BIN@"
+ZIP_BIN="@ZIP_BIN@"
+UNZIP_BIN="@UNZIP_BIN@"
+GZIP_BIN="@GZIP_BIN@"
+ZSTD_BIN="@ZSTD_BIN@"
+PV_BIN="@PV_BIN@"
+DU_BIN="@DU_BIN@"
+BZIP2_BIN="@BZIP2_BIN@"
+XZ_BIN="@XZ_BIN@"
+
+# Convenience wrappers 
+rsync_cmd="$RSYNC_BIN"
+awk_cmd="$AWK_BIN"
+mcstatus_cmd="$MCSTATUS_BIN 127.0.0.1:${QUERY_PORT}"
+mcrcon_cmd="$MCRCON_BIN -H 127.0.0.1 -P ${RCON_PORT} -p ${RCON_PASSWORD}"
+tar_cmd="$TAR_BIN"
+zip_cmd="$ZIP_BIN"
+unzip_cmd="$UNZIP_BIN"
+gzip_cmd="$GZIP_BIN"
+zstd_cmd="$ZSTD_BIN"
+pv_cmd="$PV_BIN"
+du_cmd="$DU_BIN"
+bzip2_cmd="$BZIP2_BIN"
+xz_cmd="$XZ_BIN"
+
+# PATH extension 
+# (only figured that out later if you add it here it can actually just use the bin)
+# So you can easily just switch out the "*_cmd" with the "normal" name 
+# export PATH="$(dirname "$GZIP_BIN")":"$(dirname "$ZSTD_BIN")":"$(dirname "$PV_BIN")":"$(dirname "$DU_BIN")":"$(dirname "$BZIP2_BIN")":"$(dirname "$XZ_BIN")":"$PATH"
+
+
+
+# Defaults
+SOURCE=""
+DESTINATION=""
+COMPRESSION="gzip"
+FORMAT="tar"
+PURE=false
+
+usage() {
+  cat <<EOF
+Usage: $0 --source <subfolder> --destination <path>
+          [--compression <gzip|bzip2|xz|zstd>] [--format <tar|zip>] [--pure]
+
+Options:
+  --source        Subfolder under \$DATA_DIR to back up (required)
+  --destination   Backup destination path (required)
+  --compression   Compression method for tar archives (default: gzip)
+  --format        Archive format: tar or zip (default: tar)
+  --pure          Perform plain rsync copy without compression
+  --help          Show this help
+EOF
+  exit 1
+}
+
+# Parse arguments
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --source)      SOURCE="$2"; shift 2;;
+    --destination) DESTINATION="$2"; shift 2;;
+    --compression) COMPRESSION="$2"; shift 2;;
+    --format)      FORMAT="$2"; shift 2;;
+    --pure)        PURE=true; shift 1;;
+    --help)        usage;;
+    *) echo "Unknown option: $1"; usage;;
+  esac
+done
+
+# Validation
+if [[ -z "$SOURCE" || -z "$DESTINATION" ]]; then
+  echo "Error: --source and --destination are required."
+  usage
+fi
+
+FULL_SOURCE="$DATA_DIR/$SOURCE"
+
+if [[ ! -d "$FULL_SOURCE" ]]; then
+  echo "Error: Source directory '$FULL_SOURCE' does not exist."
+  exit 1
+fi
+
+mkdir -p "$DESTINATION"
+
+TIMESTAMP="$(date +%Y%m%d-%H%M%S)"
+BASENAME="$(basename "$SOURCE")"
+
+# Pure rsync backup
+if [[ "$PURE" == true ]]; then
+  TARGET_DIR="$DESTINATION/${BASENAME}-${TIMESTAMP}"
+  echo "Performing pure rsync backup to $TARGET_DIR"
+  "$rsync_cmd" -rptgoDL --delete "$FULL_SOURCE/" "$TARGET_DIR/"
+  echo "Backup completed (pure): $TARGET_DIR"
+  exit 0
+fi
+
+# Archive/compression backup
+case "$FORMAT" in
+  tar)
+    case "$COMPRESSION" in
+      gzip)  EXT="tar.gz";  TAR_ARGS="-czf";;
+      bzip2) EXT="tar.bz2"; TAR_ARGS="-cjf";;
+      xz)    EXT="tar.xz";  TAR_ARGS="-cJf";;
+      zstd)  EXT="tar.zst"; TAR_ARGS="--zstd -cf";;
+      *) echo "Unsupported compression for tar: $COMPRESSION"; exit 1;;
+    esac
+    ARCHIVE="$DESTINATION/${BASENAME}-${TIMESTAMP}.${EXT}"
+    "$tar_cmd" -C "$DATA_DIR" $TAR_ARGS "$ARCHIVE" "$SOURCE"
+    ;;
+  zip)
+    EXT="zip"
+    ARCHIVE="$DESTINATION/${BASENAME}-${TIMESTAMP}.${EXT}"
+    (cd "$DATA_DIR" && "$zip_cmd" -r "$ARCHIVE" "$SOURCE")
+    ;;
+  *)
+    echo "Unsupported format: $FORMAT"
+    exit 1
+    ;;
+esac
+
+
+echo "Backup completed: $ARCHIVE"