tools: added script to sign+tag git commit

tools/sign-tag.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# Check if at least two arguments are provided
+if [ "$#" -lt 2 ]; then
+    echo "Usage: $0 channel version [commit]"
+    exit 1
+fi
+
+# Assign arguments to variables
+channel=$1
+version=$2
+commit=${3:-HEAD}
+
+# Check if the channel name is valid
+valid_channels=("release" "alpha")
+if ! [[ " ${valid_channels[@]} " =~ " $channel " ]]; then
+    echo "Invalid channel name. Valid channel names are: ${valid_channels[*]}"
+    exit 1
+fi
+
+# Validate semantic version format
+if ! [[ "$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 specified git commit
+tag_name="v${version}-${channel}"
+commit_message="tagging ${tag_name}"
+
+echo "Signing and tagging commit $commit with tag name: ${tag_name}"
+git tag -s "$tag_name" "$commit" -m "$commit_message"