chore: add release automation script (#74)

Co-authored-by: Mathias Fredriksson <[email protected]>

Author: johnstcn

MAINTAINERS.md

@@ -8,24 +8,11 @@ If everything seems OK, you can proceed to do the following:
 1. Update the version string in `internal/version/version.go` and run `make gen`.
 2. Add details in `CHANGELOG.md` on what changed.
 3. Create a PR with the subject `chore: update version to X.Y.Z`
-4. Once the above PR is approved and merged, create a new git tag `vX.Y.Z` pointing to the commit of the above PR merged to `main`:
+4. Once the above PR is approved and merged, update your local branch and run `release.sh`.
+   If the script reports errors, fix them before continuing.
+   If there are no issues, it will output the Github tag URL.
 
-   ```shell
-     # Ensure your local copy is up to date with main. Be sure to stash any changes first.
-     git fetch origin
-     git reset --hard origin/main
-     # Fetch existing tags first!
-     git fetch --tags
-     git tag -a vX.Y.Z -m 'vX.Y.Z'
-   ```
-
-5. Push the tag:
-
-   ```shell
-      git push origin tag vX.Y.Z
-   ```
-
-6. Visit `https://github.com/coder/agentapi/releases/tag/vX.Y.Z` and "Create release from tag".
+5. Visit `https://github.com/coder/agentapi/releases/tag/vX.Y.Z` and "Create release from tag".
 
    - Select the tag you pushed previously.
    - Select the previous tag and "Generate release notes". Amend as required.

main.go

@@ -1,7 +1,7 @@
 package main
 
 //go:generate sh -c "go run main.go server --print-openapi dummy > openapi.json"
-//go:generate ./set_version.sh
+//go:generate ./version.sh
 import "github.com/coder/agentapi/cmd"
 
 func main() {

release.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+GIT_BRANCH="${GIT_BRANCH:-main}"
+echo "GIT_BRANCH=${GIT_BRANCH}"
+LOCAL_HEAD=$(git rev-parse --short "${GIT_BRANCH}")
+echo "LOCAL_HEAD=${LOCAL_HEAD}"
+REMOTE_HEAD=$(git rev-parse --short origin/"${GIT_BRANCH}")
+echo "REMOTE_HEAD=${REMOTE_HEAD}"
+if [[ "${LOCAL_HEAD}" != "${REMOTE_HEAD}" ]]; then
+    echo "Please ensure your local branch is up to date before continuing."
+    exit 1
+fi
+
+VERSION=""
+if ! VERSION=$(./version.sh); then
+    echo "version.sh exited with a non-zero status code. Fix this before continuing."
+    exit 1
+elif [[ -z "${VERSION}" ]]; then
+    echo "Version reported by version.sh was empty. Fix this before continuing."
+    exit 1
+fi
+
+echo "VERSION=${VERSION}"
+./check_unstaged.sh || exit 1
+
+if ! grep -q "## v${VERSION}" CHANGELOG.md; then
+   echo "Please update CHANGELOG.md with details for ${VERSION} before continuing."
+   exit 1
+fi
+
+TAG_NAME="v${VERSION}"
+echo "TAG_NAME=${TAG_NAME}"
+git fetch --tags
+git tag -a "${TAG_NAME}" -m "${TAG_NAME}"
+git push origin tag "${TAG_NAME}"
+
+echo "https://github.com/coder/agentapi/releases/new?tag=${TAG_NAME}"

set_version.sh renamed to version.sh

@@ -11,3 +11,5 @@ version=$(go run main.go --version | awk '{print $3}')
 
 jq --arg version "${version}" '.info.version = $version' openapi.json > openapi.json.tmp && mv openapi.json.tmp openapi.json
 jq --arg version "${version}" '.version = $version' chat/package.json > chat/package.json.tmp && mv chat/package.json.tmp chat/package.json
+
+echo -n "${version}"