fix: correctly get the versioning segments and increment

Author: charlesreffett

bin/git-make-release

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Prompt for the version number
 prompt_for_version() {
@@ -8,19 +8,26 @@ prompt_for_version() {
 
 # Increment version number
 increment_version() {
-  local IFS='.'
-  read -ar version_parts <<< "$1"
-  # Increment the minor version and reset patch version
+  # Split the version string into parts using read -a
+  IFS='.'
+  read -ra version_parts <<< "$1"
+
+  # Ensure that we have exactly three parts for major, minor, and patch versions
+  if [ ${#version_parts[@]} -ne 3 ]; then
+    echo "Error: Invalid version format '$1'. Expected format 'Major.Minor.Patch'." >&2
+    return 1  # Exit the function with an error status
+  fi
+
+  # Increment the minor version and reset the patch version to 0
   local next_version="${version_parts[0]}.$((version_parts[1] + 1)).0"
 
-  # Prompt for the version number, using the next version as the default
-  read -rp "Enter the version number (default: $next_version): " version
-  echo "${version:-$next_version}" # Return the entered version number or the default if none was entered
+  # Call prompt_for_version, using the next version as the default
+  prompt_for_version "$next_version"
 }
 
 # Get the latest version tag
 get_latest_version() {
-  git describe --tags "$(git rev-list --tags --max-count=1)"
+  git describe --tags "$(git rev-list --tags --max-count=1)" 2>/dev/null || echo "v0.0.0"
 }
 
 # Prepend the tickets to the CHANGELOG.md