hash.sh script

hash.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# Function to create SHA256 hash for a file
+create_sha256_file() {
+    sha256sum "$1" | cut -d ' ' -f 1
+}
+
+# Function to update .tar.gz files with .hash and .sha256
+update_tar_gz() {
+    local input_file="$1"
+    local output_folder="./output"
+    local output_file="$output_folder/$(basename "$input_file")"
+
+    # Create a temporary directory for extraction
+    local tmp_dir="$(mktemp -d)"
+
+    # Extract files from .tar.gz
+    tar -xzf "$input_file" -C "$tmp_dir"
+
+    # Create a .hash file with SHA256 hashes
+    jq -n '{}' > "$tmp_dir/.hash"
+    find "$tmp_dir" -type f | while read -r file; do
+        relative_path="${file#$tmp_dir/}"
+        if [ "$relative_path" != ".hash" ]; then
+            hash_value=$(create_sha256_file "$file")
+            jq --arg file "$relative_path" --arg hash "$hash_value" '.[$file] = $hash' "$tmp_dir/.hash" > "$tmp_dir/.hash_tmp" && mv "$tmp_dir/.hash_tmp" "$tmp_dir/.hash"
+        fi
+    done
+
+
+    # Create a new compressed .tar file
+    tar -czf "$output_file" -C "$tmp_dir" .
+
+    # Clean up temporary directory
+    rm -rf "$tmp_dir"
+
+    # Create a .sha256 file for the updated .tar.gz
+    sha256_hash=$(create_sha256_file "$output_file")
+    echo "$sha256_hash" > "$output_folder/$(basename "$input_file").sha256"
+}
+
+# Process all .tar.gz files in the current directory
+for file_name in *.tar.gz; do
+    if [ -f "$file_name" ]; then
+        update_tar_gz "$file_name"
+        echo "Processing completed for $file_name"
+    fi
+done