feat: add publish script for tagging and pushing versions

Author: NazmusSayad

Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 name = "shaka"
-version = "0.0.3"
 edition = "2024"
-description = "Generate shell aliases and functions from YAML/JSONC config files"
-license = "MIT"
+version = "0.0.3"
 readme = "README.md"
+license = "MIT"
+description = "Generate shell aliases and functions from YAML/JSONC config files"
 
 [dependencies]
 indexmap = "2"

publish.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+version="$(awk -F '"' '/^version[[:space:]]*=/{print $2; exit}' Cargo.toml)"
+
+if [ -z "$version" ]; then
+	printf 'Could not read version from Cargo.toml\n' >&2
+	exit 1
+fi
+
+tag="v$version"
+
+local_exists=false
+remote_exists=false
+
+if git rev-parse -q --verify "refs/tags/$tag" >/dev/null; then
+	local_exists=true
+fi
+
+if git ls-remote --tags origin "refs/tags/$tag" | grep -q .; then
+	remote_exists=true
+fi
+
+if [ "$local_exists" = true ] || [ "$remote_exists" = true ]; then
+	printf 'Tag %s already exists.\n' "$tag"
+	read -r -p "Delete and recreate tag $tag? [y/N]: " answer
+
+	case "$answer" in
+	y | Y | yes | YES)
+		;;
+	*)
+		printf 'Cancelled.\n'
+		exit 1
+		;;
+	esac
+
+	if [ "$local_exists" = true ]; then
+		git tag -d "$tag"
+	fi
+
+	if [ "$remote_exists" = true ]; then
+		git push origin ":refs/tags/$tag"
+	fi
+fi
+
+git tag "$tag"
+git push origin "$tag"
+
+printf 'Published %s\n' "$tag"