publish-announcement: sort versions to be decreasing order

cmd/releasego/publish-announcement.go

@@ -12,13 +12,15 @@ import (
 	"io"
 	"os"
 	"regexp"
+	"sort"
 	"strings"
 	"text/template"
 	"time"
 	"unicode"
 
 	"github.com/microsoft/go-infra/githubutil"
 	"github.com/microsoft/go-infra/goversion"
+	"github.com/microsoft/go-infra/internal/infrasort"
 	"github.com/microsoft/go-infra/subcmd"
 )
 
@@ -56,6 +58,19 @@ type ReleaseInfo struct {
 // take all this methods and make it one constructor function for ReleaseInfo
 func NewReleaseInfo(releaseDate time.Time, versions []string, author string, security bool) *ReleaseInfo {
 	ri := new(ReleaseInfo)
+	goVersions := make(infrasort.GoVersions, 0)
+	for _, version := range versions {
+		goVersions = append(goVersions, goversion.New(version))
+	}
+
+	// Sort the versions in descending order
+	sort.Sort(goVersions)
+
+	// Recreate versions slice with sorted info.
+	versions = versions[:0]
+	for _, goVersion := range goVersions {
+		versions = append(versions, goVersion.Full())
+	}
 
 	// Generate human-readable title and URL-friendly slug from the Go versions.
 	ri.Title = generateBlogPostTitle(versions)
@@ -66,13 +81,12 @@ func NewReleaseInfo(releaseDate time.Time, versions []string, author string, sec
 	ri.Tags = []string{"go", "release"}
 
 	// Process each Go version, extracting release information and generating links.
-	for _, version := range versions {
-		goVersion := goversion.New(version).UpstreamFormatGitTag()
+	for _, goVersion := range goVersions {
 		ri.Versions = append(ri.Versions, GoVersionData{
-			MSGoVersion:     "v" + version,
-			MSGoVersionLink: createMSGoReleaseLinkFromVersion(version),
-			GoVersion:       goVersion,
-			GoVersionLink:   createGoReleaseLinkFromVersion(goVersion),
+			MSGoVersion:     "v" + goVersion.Full(),
+			MSGoVersionLink: createMSGoReleaseLinkFromVersion(goVersion.Full()),
+			GoVersion:       goVersion.UpstreamFormatGitTag(),
+			GoVersionLink:   createGoReleaseLinkFromVersion(goVersion.UpstreamFormatGitTag()),
 		})
 	}
 

cmd/releasego/publish-announcement_test.go

@@ -26,7 +26,8 @@ func Test_ReleaseInfo_WriteAnnouncement(t *testing.T) {
 		{"2024-06-04-real", NewReleaseInfo(testTime, []string{"1.22.4-1", "1.21.11-1"}, author, true)},
 		{"2024-06-04-nonsecurity", NewReleaseInfo(testTime, []string{"1.22.4-1", "1.21.11-1"}, author, false)},
 		{"only-one-branch", NewReleaseInfo(testTime, []string{"1.22.8-3"}, author, true)},
-		{"three-branches", NewReleaseInfo(testTime, []string{"1.23.1-1", "1.22.8-1", "1.21.11-16"}, author, true)},
+		{"three-branches", NewReleaseInfo(testTime, []string{"1.22.8-1", "1.23.1-1", "1.21.11-16"}, author, true)},
+		{"2024-06-04-note", NewReleaseInfo(testTime, []string{"1.22.4-1-fips", "1.22.4-1", "1.21.11-1", "1.21.11-1-fips"}, author, false)},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

cmd/releasego/testdata/publish-announcement/2024-06-04-note.golden.md

@@ -0,0 +1,19 @@
+---
+post_title: Go 1.22.4-1, 1.22.4-1-fips, 1.21.11-1, and 1.21.11-1-fips Microsoft builds now available
+author1: Test Author
+post_slug: go-1-22-4-1--1-22-4-1-fips-1-21-11-1-and-1-21-11-1-fips-microsoft-builds-now-available
+categories: Microsoft for Go Developers
+tags: go, release
+featured_image:
+summary: The Microsoft builds of the Go security patches released today, are now available for download.
+---
+
+A new set of Microsoft Go builds is now [available for download](https://github.com/microsoft/go#download-and-install).
+For more information about this release and the changes included, see the table below:
+
+| Microsoft Release | Upstream Tag |
+|-------------------|--------------|
+| [v1.22.4-1](https://github.com/microsoft/go/releases/tag/v1.22.4-1) | go1.22.4 [release notes](https://go.dev/doc/devel/release#go1.22.4) |
+| [v1.22.4-1-fips](https://github.com/microsoft/go/releases/tag/v1.22.4-1-fips) | go1.22.4 [release notes](https://go.dev/doc/devel/release#go1.22.4) |
+| [v1.21.11-1](https://github.com/microsoft/go/releases/tag/v1.21.11-1) | go1.21.11 [release notes](https://go.dev/doc/devel/release#go1.21.11) |
+| [v1.21.11-1-fips](https://github.com/microsoft/go/releases/tag/v1.21.11-1-fips) | go1.21.11 [release notes](https://go.dev/doc/devel/release#go1.21.11) |

internal/infrasort/goversions.go

@@ -0,0 +1,51 @@
+package infrasort
+
+import (
+	"strconv"
+
+	"github.com/microsoft/go-infra/goversion"
+)
+
+// GoVersions implements [sort.Interface] and sorts versions in descending order.
+// If Major, Minor, Patch, or Revision of any GoVersion in the slice can't be parsed by
+// [strconv.Atoi], the result of using this type is undefined.
+type GoVersions []*goversion.GoVersion
+
+func (versions GoVersions) Len() int      { return len(versions) }
+func (versions GoVersions) Swap(i, j int) { versions[i], versions[j] = versions[j], versions[i] }
+func (versions GoVersions) Less(i, j int) bool {
+	less := func(a, b string) bool {
+		intA, err := strconv.Atoi(a)
+		if err != nil {
+			return false
+		}
+
+		intB, err := strconv.Atoi(b)
+		if err != nil {
+			return false
+		}
+		return intA > intB
+	}
+
+	current, next := versions[i], versions[j]
+
+	if current.Major != next.Major {
+		return less(current.Major, next.Major)
+	}
+	if current.Minor != next.Minor {
+		return less(current.Minor, next.Minor)
+	}
+	if current.Patch != next.Patch {
+		return less(current.Patch, next.Patch)
+	}
+	if current.Revision != next.Revision {
+		return less(current.Revision, next.Revision)
+	}
+	if current.Prerelease != next.Prerelease {
+		return current.Prerelease < next.Prerelease
+	}
+	if current.Note != next.Note {
+		return current.Note < next.Note
+	}
+	return false
+}

internal/infrasort/goversions_test.go

@@ -0,0 +1,80 @@
+package infrasort
+
+import (
+	"sort"
+	"testing"
+
+	"github.com/microsoft/go-infra/goversion"
+)
+
+func TestGoVersions_Sort(t *testing.T) {
+	tests := []struct {
+		name     string
+		versions GoVersions
+		expected GoVersions
+	}{
+		{
+			name: "basic version sorting",
+			versions: GoVersions{
+				goversion.New("1.2.3"),
+				goversion.New("1.2.1"),
+				goversion.New("1.3.0"),
+				goversion.New("1.2.3-2"),
+				goversion.New("1.2.3-1"),
+			},
+			expected: GoVersions{
+				goversion.New("1.3.0"),
+				goversion.New("1.2.3-2"),
+				goversion.New("1.2.3"),
+				goversion.New("1.2.3-1"),
+				goversion.New("1.2.1"),
+			},
+		},
+		{
+			name: "version with prerelease and note",
+			versions: GoVersions{
+				goversion.New("1.2.3-beta"),
+				goversion.New("1.2.3-rc1"),
+				goversion.New("1.2.3-1-fips"),
+				goversion.New("1.2.3"),
+				goversion.New("1.2.3-2"),
+			},
+			expected: GoVersions{
+				goversion.New("1.2.3-2"),
+				goversion.New("1.2.3"),
+				goversion.New("1.2.3-beta"),
+				goversion.New("1.2.3-1-fips"),
+				goversion.New("1.2.3-rc1"),
+			},
+		},
+		{
+			name: "sorting with major and minor versions",
+			versions: GoVersions{
+				goversion.New("2.0.0"),
+				goversion.New("1.10.0"),
+				goversion.New("1.2.3"),
+				goversion.New("1.2.0"),
+				goversion.New("1.3.0"),
+			},
+			expected: GoVersions{
+				goversion.New("2.0.0"),
+				goversion.New("1.10.0"),
+				goversion.New("1.3.0"),
+				goversion.New("1.2.3"),
+				goversion.New("1.2.0"),
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Sort the versions
+			sort.Sort(tt.versions)
+			for i, v := range tt.versions {
+				if *v != *tt.expected[i] {
+					t.Errorf("expected %v at index %d, got %v", tt.expected[i].Original, i, v.Original)
+				}
+			}
+		})
+	}
+}