feat: expose JiraIssue.BaseURL and JiraIssue.BrowseURL

allows the release note templates to easily create hyperlinks
into jira like

    Jira: {{ print .JiraIssue.BaseURL "/browse/" .JiraIssueID }}

or

    Jira: {{ .JiraIssue.BrowseURL }}

resolves: #251

README.md

@@ -635,6 +635,8 @@ Within a `Commit`, the following Jira data can be used in template:
 - `.JiraIssue.Description` - Description of the Jira issue
 - `.JiraIssue.Type` - Original type of the Jira issue (also available as `.Type` unless the commit provided a Conventional Commit Type.
 - `.JiraIssue.Labels` - A list of strings, each is a Jira label.
+- `.JiraIssue.BaseURL` - The value of `options.jira.info.url` (or the `JIRA_URL` env var) which can be useful in the templates for creating links to your Jira instance
+- `.JiraIssue.BrowseURL` - A default "browse" url for this issue (pre-formatted by concatenting `.JiraIssue.BaseURL` + "/browse/" + `.JiraIssueID`; e.g. "https://myorg.atlassian.net/browse/MYPROJ-1234")
 
 ## FAQ
 

commit_parser.go

@@ -461,6 +461,8 @@ func (p *commitParser) processJiraIssue(commit *Commit, issueID string) {
 	}
 	commit.JiraIssue = &JiraIssue{
 		Type:        issue.Fields.Type.Name,
+		BaseURL:     p.config.Options.JiraURL,
+		BrowseURL:   fmt.Sprintf("%s/browse/%s", strings.TrimRight(p.config.Options.JiraURL, "/"), issueID),
 		Summary:     issue.Fields.Summary,
 		Description: issue.Fields.Description,
 		Labels:      issue.Fields.Labels,

commit_parser_test.go

@@ -399,6 +399,7 @@ func TestCommitParserParseWithJira(t *testing.T) {
 					"Subject",
 				},
 				JiraKeyPattern: "\\b(JIRA-\\d+)",
+				JiraURL:        "https://myorg.atlassian.net",
 				JiraTypeMaps: map[string]string{
 					"Story": "feat",
 				},
@@ -415,6 +416,8 @@ func TestCommitParserParseWithJira(t *testing.T) {
 	if commit.JiraIssue == nil {
 		t.Fatal("did not load jira issue JIRA-1111")
 	}
+	assert.Equal("https://myorg.atlassian.net", commit.JiraIssue.BaseURL)
+	assert.Equal("https://myorg.atlassian.net/browse/JIRA-1111", commit.JiraIssue.BrowseURL)
 	assert.Equal("Story", commit.JiraIssue.Type)
 	assert.Equal("summary of JIRA-1111", commit.JiraIssue.Summary)
 	assert.Equal("description of JIRA-1111", commit.JiraIssue.Description)
@@ -426,6 +429,7 @@ func TestCommitParserParseWithJira(t *testing.T) {
 	if commit.JiraIssue == nil {
 		t.Fatal("did not load jira issue JIRA-1112")
 	}
+	assert.Equal("https://myorg.atlassian.net/browse/JIRA-1112", commit.JiraIssue.BrowseURL)
 	assert.Equal("Story", commit.JiraIssue.Type)
 	assert.Equal("summary of JIRA-1112", commit.JiraIssue.Summary)
 	assert.Equal("description of JIRA-1112", commit.JiraIssue.Description)

fields.go

@@ -61,6 +61,8 @@ type NoteGroup struct {
 // JiraIssue is information about a jira ticket (type, summary, description, and labels)
 type JiraIssue struct {
 	Type        string
+	BaseURL     string
+	BrowseURL   string
 	Summary     string
 	Description string
 	Labels      []string