add create-release.sh script

bin/create-release.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+set -eu -o pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+cd "$SCRIPT_DIR/.."
+
+version=${1:-}
+if [[ -z "$version" ]]; then
+  echo "USAGE: $0 version" >&2
+  exit 1
+fi
+
+if [[ "$(git symbolic-ref --short HEAD)" != "master" ]]; then
+  echo "must be on master branch" >&2
+  exit 1
+fi
+
+# ensure we are up-to-date
+uncommitted_changes=$(git diff --compact-summary)
+if [[ -n "$uncommitted_changes" ]]; then
+  echo -e "There are uncommitted changes, exiting:\n${uncommitted_changes}" >&2
+  exit 1
+fi
+git pull [email protected]:Mic92/nix-update master
+unpushed_commits=$(git log --format=oneline origin/master..master)
+if [[ "$unpushed_commits" != "" ]]; then
+  echo -e "\nThere are unpushed changes, exiting:\n$unpushed_commits" >&2
+  exit 1
+fi
+sed -i -e "s!^version = \".*\"\$!version = \"${version}\"!" pyproject.toml default.nix
+git add pyproject.toml
+nix flake check -vL
+git commit -m "bump version ${version}"
+git tag -e "${version}"
+
+echo "now run 'git push --tags origin master'"