add base-branch option to only consider version tags on the PR base b…

…ranch (#25)

* add base-branch option to only consider version tags on the PR base branch

* add base-branch example to CI example README

* add missing tests for version.js

* read from GITHUB_REF when PR closed

* consider tags on BASE, not HEAD branch

* support branches with / in the name

README.md

@@ -87,6 +87,7 @@ Inputs can be used to customize the behavior of the action in both modes.
 | `release-notes-prefix` | If defined, constrains release notes to any text appearing after a line matching this pattern in the pull request body. By default, release notes start at the beginning of the pull request description. |
 | `release-notes-suffix` | If defined, constrains release notes to any text appearing before a line matching this pattern in the pull request body. By default, release notes end at the end of the pull request description. |
 | `with-v` | If true, newly tagged versions will be prefixed with 'v', e.g. 'v1.2.3'. |
+| `base-branch` | Whether or not to only consider version tags on the base branch in the pull request. |
 
 ### Using Custom Label Names
 
@@ -207,6 +208,7 @@ jobs:
  release-notes-prefix: ''
  release-notes-suffix: ''
  with-v: false
+ base-branch: false
 ```
 
 Create a CI workflow to run whenever a pull request is merged. All optional inputs are explicitly set to their default values in the configuration below.
@@ -237,6 +239,7 @@ jobs:
  release-notes-prefix: ''
  release-notes-suffix: ''
  with-v: false
+ base-branch: false
 ```
 
 ## Contributing

action.yml

@@ -35,6 +35,10 @@ inputs:
  description: Set to 'true' to prefix versions with 'v'
  required: false
  default: 'false'
+ base-branch:
+ description: Set to 'true' to only consider version tags on the PR base branch. By default considers all version tags in the repository.
+ required: false
+ default: 'false'
 outputs:
  old-version:
  description: The version tag prior to bumping

config.js

@@ -36,6 +36,7 @@ function getConfig() {
  releaseNotesPrefixPattern: releaseNotesPrefixPattern,
  releaseNotesSuffixPattern: releaseNotesSuffixPattern,
  requireReleaseNotes: core.getInput('require-release-notes').toLowerCase() === 'true',
+ baseBranch: core.getInput('base-branch').toLowerCase() === 'true',
  v: core.getInput('with-v').toLowerCase() === 'true' ? 'v' : '',
  }
 }

index.js

@@ -103,6 +103,7 @@ async function run() {
  await bumpAndTagNewVersion(config)
  }
  } catch (e) {
+ core.info(e.stack)
  core.setFailed(`unexpected error: ${e.message}`)
  }
 }