From f70d6b0cf031bd37e5c3d8a949b9bc28f851e55b Mon Sep 17 00:00:00 2001
From: Nick Groenen <nick@groenen.me>
Date: Fri, 24 Sep 2021 11:58:27 +0200
Subject: [PATCH] Simplify releases with a script

---
 docs/Release-checklist.md | 11 ++---------
 make-new-release.sh       | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 9 deletions(-)
 create mode 100755 make-new-release.sh

diff --git a/docs/Release-checklist.md b/docs/Release-checklist.md
index cfd8a45..1f3efe7 100644
--- a/docs/Release-checklist.md
+++ b/docs/Release-checklist.md
@@ -1,14 +1,7 @@
 # Release process
 
-- [ ] Update version number in `Cargo.toml`
-- [ ] Run `cargo check`
-- [ ] Commit changes to `Cargo.*` with the message format `Release vN.N.N`
-- [ ] Make git tag `vN.N.N`
-- [ ] Run `gitchangelog`, review and make any manual adjustments as needed
-- [ ] Regenerate README: `docs/generate.sh`
-- [ ] Stage `CHANGES.md`, `README.md` and amend previous commit
-- [ ] Force update git tag `vN.N.N`
-- [ ] Push changes & tag
+- [ ] Run `./make-new-release.sh`
+- [ ] Push the created release commit/tag to GitHub
 - [ ] Wait for builds to turn green (<https://github.com/zoni/obsidian-export/actions>)
 - [ ] Run `cargo publish`
 - [ ] Publish drafted release (<https://github.com/zoni/obsidian-export/releases>)
diff --git a/make-new-release.sh b/make-new-release.sh
new file mode 100755
index 0000000..36c419e
--- /dev/null
+++ b/make-new-release.sh
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+get_next_version_number() {
+	DATEPART=$(date +%y.%-m)
+	ITERATION=0
+
+	while true; do
+		VERSION_STRING="${DATEPART}.${ITERATION}"
+		if git rev-list "v$VERSION_STRING" > /dev/null 2>&1; then
+			((ITERATION++))
+		else
+			echo "$VERSION_STRING"
+			return
+		fi
+	done
+}
+
+VERSION=$(get_next_version_number)
+
+sed -i -E "s/^version = \".+\"$/version = \"${VERSION}\"/" Cargo.toml
+cargo check
+git commit "Cargo.*" --message "Release v${VERSION}"
+git tag "v${VERSION}"
+
+gitchangelog
+${EDITOR:-vim} CHANGES.md
+docs/generate.sh
+git add CHANGES.md README.md
+git commit --amend --no-edit
+git tag "v${VERSION}" --force
+
+printf "\n\nSuccessfully created release %s\n" "v${VERSION}"
+printf "\nYou'll probably want to continue with:\n"
+printf "\tgit push origin main\n"
+printf "\tgit push origin %s\n" "v${VERSION}"