Allow case-insensitive environment

main.go

@@ -80,7 +80,8 @@ func buildCommit() (commit Commit) {
 func isDeploymentCommit(commit Commit) (ok bool, commitMessage CommitMessageDetails) {
 	// Examples: "Deployed mas-billing api-billing version v1.37.0 to prod"
 	//           "Deployed mas-billing api-billing version v1.37.0-RC.2 to sta"
-	pattern := `Deployed\s(\w\S+)\s(\w\S+)\sversion\s(v\d+\.\d+\.\d+\S*)\sto\s(prod|sta|dev)`
+	//           "Deployed mas-billing api-billing version v1.37.0 to STA"
+	pattern := `Deployed\s(\w\S+)\s(\w\S+)\sversion\s(v\d+\.\d+\.\d+\S*)\sto\s((?i)prod|sta|dev)`
 	re := regexp.MustCompile(pattern)
 
 	matches := re.FindStringSubmatch(commit.getCommitMessageTitle())

main_test.go

@@ -24,3 +24,22 @@ func Test_isDeploymentCommit(t *testing.T) {
 	assert.True(t, ok)
 	assert.Equal(t, expectedCommitMessageDetails, actualCommitMessageDetails)
 }
+
+func Test_isDeploymentCommit_capitalLetters(t *testing.T) {
+	// Given
+	commit := Commit{
+		commitMessage: "Deployed mas-billing api-billing version v1.37.1 to STA\n\ndeployments:\n- serviceName: api-billing\n  type: RAMPED\n  versions:\n    from:\n    - name: v1.37.0\n      percent: 100\n      artifact: empty\n    to:\n    - name: v1.37.1\n      percent: 100\n      artifact: empty\n  jira:\n    issues: [MBIL-3468]\n  changelog: |\n    feat(mas-billing|commons): MBIL-3468 Implement a common contextual logger (#41988)",
+	}
+	expectedCommitMessageDetails := CommitMessageDetails{
+		domain:      "mas-billing",
+		service:     "api-billing",
+		version:     "v1.37.1",
+		environment: "STA",
+	}
+	// When
+	ok, actualCommitMessageDetails := isDeploymentCommit(commit)
+
+	// Then
+	assert.True(t, ok)
+	assert.Equal(t, expectedCommitMessageDetails, actualCommitMessageDetails)
+}