feat: tag matching

add option to match tags similar to

Author: Kola Segun

cmd/semantic-release/main.go

@@ -4,15 +4,17 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"regexp"
+	"strings"
+
 	"github.com/go-semantic-release/semantic-release/pkg/condition"
 	"github.com/go-semantic-release/semantic-release/pkg/config"
 	"github.com/go-semantic-release/semantic-release/pkg/semrel"
 	"github.com/go-semantic-release/semantic-release/pkg/update"
 	"github.com/urfave/cli/v2"
-	"io/ioutil"
-	"log"
-	"os"
-	"strings"
 )
 
 // SRVERSION is the semantic-release version (added at compile time)
@@ -95,7 +97,13 @@ func cliHandler(c *cli.Context) error {
 	}
 
 	logger.Println("getting latest release...")
-	release, err := repo.GetLatestRelease(conf.BetaRelease.MaintainedVersion)
+	var matchRegex *regexp.Regexp
+	match := strings.TrimSpace(conf.Match)
+	if match != "" {
+		logger.Printf("getting latest release matching %s...", match)
+		matchRegex = regexp.MustCompile("^" + match)
+	}
+	release, err := repo.GetLatestRelease(conf.BetaRelease.MaintainedVersion, matchRegex)
 	exitIfError(err)
 	logger.Println("found version: " + release.Version.String())
 

pkg/config/config.go

@@ -2,8 +2,9 @@ package config
 
 import (
 	"encoding/json"
-	"github.com/urfave/cli/v2"
 	"os"
+
+	"github.com/urfave/cli/v2"
 )
 
 type (
@@ -21,6 +22,7 @@ type (
 		Prerelease  bool
 		TravisCom   bool
 		BetaRelease BetaRelease
+		Match       string
 	}
 
 	BetaRelease struct {
@@ -42,6 +44,7 @@ func NewConfig(c *cli.Context) *Config {
 		GheHost:    c.String("ghe-host"),
 		Prerelease: c.Bool("prerelease"),
 		TravisCom:  c.Bool("travis-com"),
+		Match:      c.String("match"),
 	}
 
 	f, err := os.OpenFile(".semrelrc", os.O_RDONLY, 0)

pkg/config/flags.go

@@ -55,4 +55,8 @@ var CliFlags = []cli.Flag{
 		Name:  "travis-com",
 		Usage: "force semantic-release to use the travis-ci.com API endpoint",
 	},
+	&cli.StringFlag{
+		Name:  "match",
+		Usage: "Only consider tags matching the given glob(7) pattern, excluding the \"refs/tags/\" prefix.",
+	},
 }

pkg/semrel/semrel.go

@@ -4,14 +4,15 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/Masterminds/semver"
-	"github.com/google/go-github/v30/github"
-	"golang.org/x/oauth2"
 	"regexp"
 	"sort"
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/Masterminds/semver"
+	"github.com/google/go-github/v30/github"
+	"golang.org/x/oauth2"
 )
 
 var commitPattern = regexp.MustCompile("^(\\w*)(?:\\((.*)\\))?\\: (.*)$")
@@ -122,7 +123,7 @@ func (repo *Repository) GetCommits(sha string) ([]*Commit, error) {
 	return ret, nil
 }
 
-func (repo *Repository) GetLatestRelease(vrange string) (*Release, error) {
+func (repo *Repository) GetLatestRelease(vrange string, re *regexp.Regexp) (*Release, error) {
 	allReleases := make(Releases, 0)
 	opts := &github.ReferenceListOptions{"tags", github.ListOptions{PerPage: 100}}
 	for {
@@ -134,7 +135,11 @@ func (repo *Repository) GetLatestRelease(vrange string) (*Release, error) {
 			return nil, err
 		}
 		for _, r := range refs {
-			version, err := semver.NewVersion(strings.TrimPrefix(r.GetRef(), "refs/tags/"))
+			tag := strings.TrimPrefix(r.GetRef(), "refs/tags/")
+			if re != nil && !re.MatchString(tag) {
+				continue
+			}
+			version, err := semver.NewVersion(tag)
 			if err != nil {
 				continue
 			}

pkg/semrel/semrel_test.go

@@ -4,13 +4,15 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"github.com/Masterminds/semver"
-	"github.com/google/go-github/v30/github"
 	"net/http"
 	"net/http/httptest"
 	"net/url"
+	"regexp"
 	"strings"
 	"testing"
+
+	"github.com/Masterminds/semver"
+	"github.com/google/go-github/v30/github"
 )
 
 func TestNewRepository(t *testing.T) {
@@ -53,6 +55,7 @@ var (
 		createRef("refs/tags/v2.1.0-beta", "deadbeef"),
 		createRef("refs/tags/v3.0.0-beta.2", "deadbeef"),
 		createRef("refs/tags/v3.0.0-beta.1", "deadbeef"),
+		createRef("refs/tags/2020.04.19", "deadbeef"),
 	}
 )
 
@@ -155,30 +158,40 @@ func TestGetCommits(t *testing.T) {
 func TestGetLatestRelease(t *testing.T) {
 	repo, ts := getNewTestRepo(t)
 	defer ts.Close()
-	release, err := repo.GetLatestRelease("")
+	release, err := repo.GetLatestRelease("", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if release.SHA != "deadbeef" || release.Version.String() != "2020.4.19" {
+		t.Fatal("invalid tag")
+	}
+
+	re := regexp.MustCompile("^v[0-9]*")
+	release, err = repo.GetLatestRelease("", re)
 	if err != nil {
 		t.Fatal(err)
 	}
 	if release.SHA != "deadbeef" || release.Version.String() != "2.0.0" {
 		t.Fatal("invalid tag")
 	}
-	release, err = repo.GetLatestRelease("2-beta")
+	
+	release, err = repo.GetLatestRelease("2-beta", nil)
 	if err != nil {
 		t.Fatal(err)
 	}
 	if release.SHA != "deadbeef" || release.Version.String() != "2.1.0-beta" {
 		t.Fatal("invalid tag")
 	}
 
-	release, err = repo.GetLatestRelease("3-beta")
+	release, err = repo.GetLatestRelease("3-beta", nil)
 	if err != nil {
 		t.Fatal(err)
 	}
 	if release.SHA != "deadbeef" || release.Version.String() != "3.0.0-beta.2" {
 		t.Fatal("invalid tag")
 	}
 
-	release, err = repo.GetLatestRelease("4-beta")
+	release, err = repo.GetLatestRelease("4-beta", nil)
 	if err != nil {
 		t.Fatal(err)
 	}