tools: added script to sign+tag git commit

tools/sign-tag.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+# Check if three arguments are provided
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 crate version"
+    exit 1
+fi
+
+# Assign arguments to variables
+crate=$1
+version=$2
+
+# Check if the crate name is valid
+valid_crates=("honk-rpc" "tor-interface" "gosling" "cgosling")
+if ! [[ " ${valid_crates[@]} " =~ " $crate " ]]; then
+    echo "Invalid crate name. Valid crate names are: ${valid_crates[*]}"
+    exit 1
+fi
+
+# Validate semantic version format
+if ! [[ "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+    echo "Invalid version format. Please provide semantic version (e.g., 1.2.3)"
+    exit 1
+fi
+
+# Sign and tag the current git HEAD
+tag_name="${crate}-v${version}"
+commit_message="signing ${crate} version ${version}"
+
+echo "Signing and tagging with tag name: ${tag_name}"
+git tag -s "$tag_name" -m "$commit_message"