more changes to releaser

Signed-off-by: Rajat Jindal <[email protected]>

Author: rajatjindal

action.yml

@@ -2,9 +2,9 @@ name: 'Spin plugin releaser'
 description: 'Set up your GitHub Actions workflow with a specific version of spin'
 author: 'Fermyon Engineering'
 inputs:
-  tag_name:
-    required: true
-    description: 'the release tag'
+  template_file:
+    required: false
+    description: 'the plugin template file'
   github_token:
     required: false
     description: 'github token used for downloading artifacts to render template'

dist/index.js

@@ -40,7 +40,7 @@ const encode = (str: string): string =>
 
 async function run(): Promise<void> {
   try {
-    const tagName = core.getInput('tag_name', {required: true})
+    const tagName = getReleaseTagName()
     const indent = parseInt(core.getInput('indent') || DEFAULT_INDENT)
     const allReleases = await octokit.rest.repos.listReleases({
       owner: github.context.repo.owner,
@@ -68,7 +68,11 @@ async function run(): Promise<void> {
       addURLAndSha: renderTemplate(releaseMap, indent)
     }
 
-    const templ = fs.readFileSync('.spin-plugin.json.tmpl', 'utf8')
+    const templateFile =
+      core.getInput('template_file', {trimWhitespace: true}) ||
+      '.spin-plugin.json.tmpl'
+
+    const templ = fs.readFileSync(templateFile, 'utf8')
     const rendered = mustache.render(templ, view)
     const renderedBase64 = encode(rendered)
 
@@ -82,7 +86,7 @@ async function run(): Promise<void> {
       processedTemplate: renderedBase64
     }
 
-    const httpclient = new httpm.HttpClient('spin-plugins-release-bot')
+    const httpclient = new httpm.HttpClient('spin-plugins-releaser')
 
     core.debug(JSON.stringify(releaseReq, null, '\t'))
 
@@ -123,4 +127,16 @@ function renderTemplate(
   }
 }
 
+function getReleaseTagName(): string {
+  if (github.context.ref.startsWith('refs/tags/v')) {
+    return github.context.ref.replace('refs/tags/v', '')
+  }
+
+  if (github.context.ref === 'refs/heads/main') {
+    return 'canary'
+  }
+
+  throw new Error(`invalid ref '${github.context.ref}' found`)
+}
+
 run()