refactor(SysUpdate): Flatpak & Cli command handling

core/internal/server/sysupdate/backend_flatpak.go

@@ -2,6 +2,7 @@ package sysupdate
 
 import (
 	"context"
+	"errors"
 	"os/exec"
 	"strings"
 )
@@ -20,17 +21,44 @@ func (flatpakBackend) RunsInTerminal() bool               { return false }
 func (flatpakBackend) IsAvailable(_ context.Context) bool { return commandExists("flatpak") }
 
 func (flatpakBackend) CheckUpdates(ctx context.Context) ([]Package, error) {
-	cmd := exec.CommandContext(ctx, "flatpak", "remote-ls", "--updates", "--columns=application,version,branch,commit,name")
+	// Run `flatpak update`
+	cmd := exec.CommandContext(ctx, "flatpak", "update")
+	cmd.Stdin = strings.NewReader("n\nn\n") // decline up to 2 installation prompts
 	out, err := cmd.Output()
 	if err != nil {
+		if exitErr, ok := errors.AsType[*exec.ExitError](err); ok && exitErr.ExitCode() == 1 && len(out) > 0 {
+		} else if len(out) == 0 {
 			return nil, err
 		}
+	}
 	installed := flatpakInstalled(ctx)
-	return parseFlatpakUpdates(string(out), installed), nil
+	return parseFlatpakUpdateOutput(string(out), installed), nil
+}
+
+type flatpakInstalledEntry struct {
+	version string
+	branch  string
 }
 
 func flatpakInstalled(ctx context.Context) map[string]flatpakInstalledEntry {
-	out, err := exec.CommandContext(ctx, "flatpak", "list", "--columns=application,version,branch,active").Output()
+	m := flatpakListInstalled(ctx, false)
+	if m == nil {
+		m = make(map[string]flatpakInstalledEntry)
+	}
+	for k, v := range flatpakListInstalled(ctx, true) {
+		if _, exists := m[k]; !exists {
+			m[k] = v
+		}
+	}
+	return m
+}
+
+func flatpakListInstalled(ctx context.Context, system bool) map[string]flatpakInstalledEntry {
+	args := []string{"flatpak", "list", "--columns=application,version,branch"}
+	if system {
+		args = append(args, "--system")
+	}
+	out, err := exec.CommandContext(ctx, args[0], args[1:]...).Output()
 	if err != nil {
 		return nil
 	}
@@ -51,9 +79,6 @@ func flatpakInstalled(ctx context.Context) map[string]flatpakInstalledEntry {
 		if len(fields) > 2 {
 			entry.branch = fields[2]
 		}
-		if len(fields) > 3 {
-			entry.commit = fields[3]
-		}
 		key := appID
 		if entry.branch != "" {
 			key = appID + "//" + entry.branch
@@ -63,12 +88,6 @@ func flatpakInstalled(ctx context.Context) map[string]flatpakInstalledEntry {
 	return m
 }
 
-type flatpakInstalledEntry struct {
-	version string
-	branch  string
-	commit  string
-}
-
 func (flatpakBackend) Upgrade(ctx context.Context, opts UpgradeOptions, onLine func(string)) error {
 	if opts.DryRun {
 		return Run(ctx, []string{"flatpak", "update", "--no-deploy", "-y"}, RunOptions{OnLine: onLine})
@@ -83,74 +102,71 @@ func flatpakUpgradeArgv() []string {
 	return []string{"flatpak", "update", "-y", "--noninteractive"}
 }
 
-func parseFlatpakUpdates(text string, installed map[string]flatpakInstalledEntry) []Package {
+func parseFlatpakUpdateOutput(text string, installed map[string]flatpakInstalledEntry) []Package {
-	if text == "" {
+	var pkgs []Package
+	seen := make(map[string]bool)
+	for line := range strings.SplitSeq(text, "\n") {
+		p := parseFlatpakUpdateRow(strings.TrimRight(line, "\r"), installed)
+		if p == nil || seen[p.Ref] {
+			continue
+		}
+		seen[p.Ref] = true
+		pkgs = append(pkgs, *p)
+	}
+	return pkgs
+}
+
+func parseFlatpakUpdateRow(line string, installed map[string]flatpakInstalledEntry) *Package {
+	// Row format: " N.\t<name>\t<appID>\t<branch>\t<op>\t<remote>\t<size>"
+	fields := strings.Split(line, "\t")
+	if len(fields) < 5 {
 		return nil
 	}
-	var pkgs []Package
+	// First field must look like " N." (optional whitespace, digits, period)
-	for line := range strings.SplitSeq(text, "\n") {
+	rowField := strings.TrimSpace(fields[0])
-		if line == "" {
+	if len(rowField) < 2 || rowField[len(rowField)-1] != '.' {
-			continue
+		return nil
 	}
-		fields := strings.Split(line, "\t")
+	for _, c := range rowField[:len(rowField)-1] {
-		if len(fields) == 0 || fields[0] == "" {
+		if c < '0' || c > '9' {
-			continue
+			return nil
 		}
-		appID := fields[0]
-		version, branch, commit := "", "", ""
-		if len(fields) > 1 {
-			version = fields[1]
-		}
-		if len(fields) > 2 {
-			branch = fields[2]
-		}
-		if len(fields) > 3 {
-			commit = fields[3]
-		}
-		display := appID
-		if len(fields) > 4 && fields[4] != "" {
-			display = fields[4]
 	}
 
-		key := appID
+	appID := strings.TrimSpace(fields[2])
-		if branch != "" {
+	branch := strings.TrimSpace(fields[3])
-			key = appID + "//" + branch
+	op := strings.TrimSpace(fields[4])
+	if appID == "" || op == "" {
+		return nil
 	}
-		inst := installed[key]
+	switch op {
-
+	case "i", "u", "r": // install, update, reinstall
-		if inst.commit != "" && commit != "" && strings.HasPrefix(commit, inst.commit) {
+	default:
-			continue
+		return nil
 	}
 
-		from, to := flatpakVersionPair(inst.version, inst.commit, version, commit)
-
 	ref := appID
 	if branch != "" {
 		ref = appID + "//" + branch
 	}
 
-		pkgs = append(pkgs, Package{
+	name := strings.TrimSpace(fields[1])
-			Name:        display,
+	if name == "" {
+		name = appID
+	}
+
+	var from string
+	if op != "i" {
+		if inst, ok := installed[ref]; ok {
+			from = inst.version
+		}
+	}
+
+	return &Package{
+		Name:        name,
 		Repo:        RepoFlatpak,
 		Backend:     "flatpak",
 		FromVersion: from,
-			ToVersion:   to,
 		Ref:         ref,
-		})
 	}
-	return pkgs
-}
-
-func flatpakVersionPair(installedVer, installedCommit, remoteVer, remoteCommit string) (from, to string) {
-	if remoteVer != "" {
-		return installedVer, remoteVer
-	}
-	return shortCommit(installedCommit), shortCommit(remoteCommit)
-}
-
-func shortCommit(c string) string {
-	if len(c) > 8 {
-		return c[:8]
-	}
-	return c
 }

core/internal/server/sysupdate/backend_flatpak_test.go

@@ -5,7 +5,9 @@ import (
 	"testing"
 )
 
-func TestParseFlatpakUpdates(t *testing.T) {
+func TestParseFlatpakUpdateOutput(t *testing.T) {
+	realOutput := "Looking for updates…\n\n\n 1.\t   \torg.gtk.Gtk3theme.adw-gtk3-dark\t3.22\ti\tflathub\t< 131.4 kB\n\nProceed with these changes to the system installation? [Y/n]: n\n"
+
 	tests := []struct {
 		name      string
 		input     string
@@ -13,137 +15,92 @@ func TestParseFlatpakUpdates(t *testing.T) {
 		want      []Package
 	}{
 		{
-			name:  "empty",
+			name:  "empty output",
 			input: "",
 			want:  nil,
 		},
 		{
-			name: "real flathub-style row with empty version, falls back to commit",
+			name:  "nothing to do",
-			// columns: application,version,branch,commit,name
+			input: "Looking for updates…\n\nNothing to do.\n",
-			input: "com.discordapp.Discord\t\tstable\t43a1e5d2d3a446919356fd86d9f984ad7c6a0e20f109250d9d868223f26ca586\tDiscord",
+			want:  nil,
+		},
+		{
+			name:  "real flatpak update output — new install",
+			input: realOutput,
+			want: []Package{
+				{
+					Name:        "org.gtk.Gtk3theme.adw-gtk3-dark",
+					Repo:        RepoFlatpak,
+					Backend:     "flatpak",
+					FromVersion: "",
+					Ref:         "org.gtk.Gtk3theme.adw-gtk3-dark//3.22",
+				},
+			},
+		},
+		{
+			name:  "update with installed version",
+			input: "Looking for updates…\n\n 1.\tSlack\tcom.slack.Slack\tstable\tu\tflathub\t< 5.2 MB\n\nProceed? [Y/n]: n\n",
 			installed: map[string]flatpakInstalledEntry{
-				"com.discordapp.Discord//stable": {commit: "8b16fa1a9b2aa189302c2428c8a7bb33dd050faf7e535dd1d975044cb0986855"},
+				"com.slack.Slack//stable": {version: "4.40.0"},
 			},
 			want: []Package{
 				{
-					Name:        "Discord",
+					Name:        "Slack",
 					Repo:        RepoFlatpak,
 					Backend:     "flatpak",
-					FromVersion: "8b16fa1a",
+					FromVersion: "4.40.0",
-					ToVersion:   "43a1e5d2",
+					Ref:         "com.slack.Slack//stable",
-					Ref:         "com.discordapp.Discord//stable",
 				},
 			},
 		},
 		{
-			name:  "remote provides version, installed version known",
+			name:  "reinstall op included",
-			input: "com.example.App\t1.5.0\tstable\tdeadbeefcafe\tExample App",
+			input: " 1.\t\torg.freedesktop.Platform\t25.08\tr\tflathub\t< 100 MB\n",
-			installed: map[string]flatpakInstalledEntry{
-				"com.example.App//stable": {version: "1.4.2"},
-			},
 			want: []Package{
 				{
-					Name:        "Example App",
+					Name:    "org.freedesktop.Platform",
+					Repo:    RepoFlatpak,
+					Backend: "flatpak",
+					Ref:     "org.freedesktop.Platform//25.08",
+				},
+			},
+		},
+		{
+			name:  "unknown op excluded",
+			input: " 1.\t\torg.freedesktop.Platform\t25.08\te\tflathub\t0\n",
+			want:  nil,
+		},
+		{
+			name:  "deduplicates same ref",
+			input: " 1.\t\tcom.example.App\tstable\ti\tflathub\t< 1 MB\n 2.\t\tcom.example.App\tstable\ti\tflathub\t< 1 MB\n",
+			want: []Package{
+				{
+					Name:    "com.example.App",
 					Repo:    RepoFlatpak,
 					Backend: "flatpak",
-					FromVersion: "1.4.2",
-					ToVersion:   "1.5.0",
 					Ref:     "com.example.App//stable",
 				},
 			},
 		},
 		{
-			name:      "no installed entry, remote has no version, falls back to commit on both sides",
+			name:  "non-table lines ignored",
-			input:     "org.gnome.Platform\t\t49\tbadcd4afb1fe\tgnome platform",
+			input: "Looking for updates…\nSome warning line\nID\tBranch\tOp\n 1.\t\tcom.example.App\tstable\ti\tflathub\t< 1 MB\nProceed? [Y/n]: n\n",
-			installed: nil,
 			want: []Package{
 				{
-					Name:        "gnome platform",
+					Name:    "com.example.App",
 					Repo:    RepoFlatpak,
 					Backend: "flatpak",
-					FromVersion: "",
+					Ref:     "com.example.App//stable",
-					ToVersion:   "badcd4af",
-					Ref:         "org.gnome.Platform//49",
 				},
 			},
 		},
-		{
-			name:  "missing display name falls back to application id",
-			input: "com.example.NoName\t2.0\tstable\tabcdef123456\t",
-			want: []Package{
-				{
-					Name:        "com.example.NoName",
-					Repo:        RepoFlatpak,
-					Backend:     "flatpak",
-					FromVersion: "",
-					ToVersion:   "2.0",
-					Ref:         "com.example.NoName//stable",
-				},
-			},
-		},
-		{
-			name:  "skips blank lines and rows with empty application id",
-			input: "\n\t\t\t\t\norg.real.App\t1.0\tstable\tdeadbeef\tReal App",
-			want: []Package{
-				{
-					Name:        "Real App",
-					Repo:        RepoFlatpak,
-					Backend:     "flatpak",
-					FromVersion: "",
-					ToVersion:   "1.0",
-					Ref:         "org.real.App//stable",
-				},
-			},
-		},
-		{
-			name:  "skips phantom updates where remote commit matches installed",
-			input: "com.phantom.App\t\tstable\tabc12345deadbeef\tPhantom",
-			installed: map[string]flatpakInstalledEntry{
-				"com.phantom.App//stable": {commit: "abc12345"},
-			},
-			want: nil,
-		},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got := parseFlatpakUpdates(tt.input, tt.installed)
+			got := parseFlatpakUpdateOutput(tt.input, tt.installed)
 			if !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("parseFlatpakUpdates() = %#v\nwant %#v", got, tt.want)
+				t.Errorf("parseFlatpakUpdateOutput() = %#v\nwant %#v", got, tt.want)
-			}
-		})
-	}
-}
-
-func TestFlatpakVersionPair(t *testing.T) {
-	tests := []struct {
-		name                                                   string
-		installedVer, installedCommit, remoteVer, remoteCommit string
-		wantFrom, wantTo                                       string
-	}{
-		{
-			name:         "remote has version - prefer versions",
-			installedVer: "1.0.0", remoteVer: "1.1.0",
-			wantFrom: "1.0.0", wantTo: "1.1.0",
-		},
-		{
-			name:            "remote has no version - both sides fall to short commit",
-			installedCommit: "8b16fa1a9b2aa189302c2428c8a7bb33dd050faf7e535dd1d975044cb0986855",
-			remoteCommit:    "43a1e5d2d3a446919356fd86d9f984ad7c6a0e20f109250d9d868223f26ca586",
-			wantFrom:        "8b16fa1a", wantTo: "43a1e5d2",
-		},
-		{
-			name:            "short commits left as-is",
-			installedCommit: "abc123", remoteCommit: "def456",
-			wantFrom: "abc123", wantTo: "def456",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			from, to := flatpakVersionPair(tt.installedVer, tt.installedCommit, tt.remoteVer, tt.remoteCommit)
-			if from != tt.wantFrom || to != tt.wantTo {
-				t.Errorf("flatpakVersionPair() = (%q, %q), want (%q, %q)", from, to, tt.wantFrom, tt.wantTo)
 			}
 		})
 	}

core/internal/server/sysupdate/executor.go

@@ -35,7 +35,6 @@ func Run(ctx context.Context, argv []string, opts RunOptions) error {
 			}
 			return cmd.Process.Kill()
 		}
-		cmd.Stdin = os.Stdin
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr
 		return cmd.Run()