feat: add GitHub Actions support (#64)

* feat: support GitHub Actions

* chore: add test for GitHub Actions

* chore: mention GitHub Actions support in README

README.md

@@ -85,7 +85,7 @@ The most efficient way to get this running is to ensure that some environment va
 - `CI_COMMIT_SHA`
 - `CI_BRANCH`
 
-If you're using, _Travis_, _CircleCI_, _Wrecker_ or _Drone_ these should all work out of the box.
+If you're using, _Travis_, _CircleCI_, _Wrecker_, _Drone_ or _GitHub Actions_ these should all work out of the box.
 
 > Have a look at the source code to see which variables are automatically found: https://github.com/bundlewatch/bundlewatch/blob/master/src/app/config/getCIVars.js
 

src/app/config/getCIVars.js

@@ -28,6 +28,11 @@ const getCIVars = env => {
         commitSha = env.DRONE_COMMIT || env.CI_COMMIT
         repoCurrentBranch = env.DRONE_COMMIT_BRANCH
         repoBranchBase = env.DRONE_REPO_BRANCH
+    } else if (env.GITHUB_ACTIONS) {
+        repoOwner = env.GITHUB_REPOSITORY.split('/')[0]
+        repoName = env.GITHUB_REPOSITORY.split('/')[1]
+        commitSha = env.GITHUB_SHA
+        repoCurrentBranch = env.GITHUB_REF
     }
     // Take CI preffered vars over everything
     repoOwner = env.CI_REPO_OWNER || repoOwner

src/app/config/getCIVars.test.js

@@ -5,6 +5,7 @@ describe(`getCIVars`, () => {
     const mockRepoName = 'reponame_mock'
     const mockRepo = `${mockRepoOwner}/${mockRepoName}`
     const mockBranchBase = `mock_branch_base`
+    const mockCommitSha = `ffac537e6cbbf934b08745a378932722df287a53`
 
     it(`Extracts GIT_URL (ssh) correct`, () => {
         const ciVars = getCIVars({
@@ -32,4 +33,17 @@ describe(`getCIVars`, () => {
         })
         expect(ciVars2.repoBranchBase || 'master').toBe('master')
     })
+
+    it(`GitHub Actions is detected`, () => {
+        const ciVars = getCIVars({
+            GITHUB_ACTIONS: true,
+            GITHUB_REPOSITORY: mockRepo,
+            GITHUB_SHA: mockCommitSha,
+            GITHUB_REF: mockBranchBase,
+        })
+        expect(ciVars.repoOwner).toBe(mockRepoOwner)
+        expect(ciVars.repoName).toBe(mockRepoName)
+        expect(ciVars.commitSha).toBe(mockCommitSha)
+        expect(ciVars.repoCurrentBranch).toBe(mockBranchBase)
+    })
 })