Hello world 👋

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/ui/app/update.go

@@ -0,0 +1,169 @@
+package app
+
+import (
+	"context"
+	"errors"
+	"strings"
+	"time"
+
+	tea "charm.land/bubbletea/v2"
+
+	"git.kebcloud.no/keb/lazysecrets/internal/browser"
+	"git.kebcloud.no/keb/lazysecrets/internal/store"
+	"git.kebcloud.no/keb/lazysecrets/internal/update"
+)
+
+// Updater finds and installs newer releases (internal/update).
+type Updater struct {
+	Latest  func(context.Context) (update.Release, error)
+	Install func(context.Context, update.Release) error
+}
+
+// updateEvery is how often lazysecrets looks for a newer release on its
+// own; within that, the last answer (in the state file) is used.
+const updateEvery = 24 * time.Hour
+
+type updateMsg struct {
+	release update.Release
+	err     error
+	asked   bool // the user asked (U), rather than the daily check
+}
+
+type installedMsg struct {
+	release update.Release
+	err     error
+}
+
+// startUpdateCheck sets up the startup look for a newer release: the
+// state file's answer when it looked less than a day ago, else a quiet
+// look at the server (fetchOnStart, for Init).
+func (m *Model) startUpdateCheck() {
+	if m.updater == nil || !m.updateCheck {
+		return
+	}
+	last := m.store.UpdateCheck()
+	if m.now().Sub(last.At) < updateEvery {
+		m.offer(update.Release{Tag: last.Tag, Body: last.Notes, URL: last.URL})
+		return
+	}
+	m.fetchOnStart = true
+}
+
+func (m Model) fetchLatest(asked bool) tea.Cmd {
+	latest := m.updater.Latest
+	return func() tea.Msg {
+		ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+		defer cancel()
+		r, err := latest(ctx)
+		return updateMsg{release: r, err: err, asked: asked}
+	}
+}
+
+// offer remembers r as the update to offer, if it's newer.
+func (m *Model) offer(r update.Release) {
+	m.newer = nil
+	if update.Newer(m.version, r.Tag) {
+		m.newer = &r
+	}
+}
+
+func (m *Model) handleUpdate(msg updateMsg) tea.Cmd {
+	if msg.err != nil {
+		if msg.asked {
+			m.flash = flash{text: "couldn't check for a newer lazysecrets: " + msg.err.Error(), isErr: true}
+		}
+		return nil // the daily check stays quiet: offline, or the server's down
+	}
+	m.store.SetUpdateCheck(store.UpdateCheck{
+		At: m.now(), Tag: msg.release.Tag, Notes: msg.release.Body, URL: msg.release.URL,
+	})
+	m.offer(msg.release)
+	if msg.asked {
+		if m.newer == nil {
+			m.flash = done("lazysecrets " + m.versionLabel() + " is the latest (" + msg.release.Tag + ")")
+			return nil
+		}
+		m.showUpdate()
+	}
+	return nil
+}
+
+// update is the update key: the newer release, or a look for one.
+func (m *Model) update() tea.Cmd {
+	switch {
+	case m.updater == nil:
+		m.flash = warning("updates aren't available in this build")
+		return nil
+	case m.newer != nil:
+		m.showUpdate()
+		return nil
+	case !update.Newer(m.version, "v999.0.0"): // dev builds aren't versions
+		m.flash = warning("this is a development build (" + m.versionLabel() + "): update it with go install or install.sh")
+		return nil
+	}
+	m.flash = flash{text: "looking for a newer lazysecrets…"}
+	return m.fetchLatest(true)
+}
+
+// showUpdate offers the newer release: its changelog, and updating.
+func (m *Model) showUpdate() {
+	r := *m.newer
+	lines := []string{m.st.Muted.Render("You have " + m.versionLabel() + ".")}
+	if notes := r.Notes(); notes != "" {
+		lines = append(lines, "")
+		for _, l := range strings.Split(notes, "\n") {
+			if h, ok := strings.CutPrefix(l, "### "); ok {
+				l = m.st.Label.Render(h)
+			}
+			lines = append(lines, l)
+		}
+	}
+	opts := []option{{key: "u", label: "Update now", tip: "Download, check and replace this lazysecrets; restart to use it.",
+		run: func(m *Model) tea.Cmd { return m.install(r) }}}
+	if r.URL != "" {
+		opts = append(opts, option{key: "o", label: "Open the release page", run: func(m *Model) tea.Cmd {
+			switch err := m.openURL(r.URL); {
+			case errors.Is(err, browser.ErrRemote):
+				cmd := m.copyText("link to the release", r.URL, false)
+				m.flash.text += " (can't open a browser over SSH)"
+				return cmd
+			case err != nil:
+				m.flash = flash{text: "open: " + err.Error(), isErr: true}
+			}
+			return nil
+		}})
+	}
+	m.showMenu("lazysecrets "+r.Tag, lines, opts)
+}
+
+func (m *Model) install(r update.Release) tea.Cmd {
+	m.flash = flash{text: "downloading lazysecrets " + r.Tag + "…"}
+	install := m.updater.Install
+	return func() tea.Msg {
+		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
+		defer cancel()
+		return installedMsg{release: r, err: install(ctx, r)}
+	}
+}
+
+func (m *Model) handleInstalled(msg installedMsg) {
+	if msg.err != nil {
+		m.flash = flash{text: "update failed: " + msg.err.Error(), isErr: true}
+		return
+	}
+	m.newer = nil
+	m.updated = msg.release.Tag
+	m.flash = done("updated to lazysecrets " + msg.release.Tag + " · restart lazysecrets to use it")
+}
+
+// updateLabel is the version's suffix in the footer: a newer release to
+// update to, or the one installed and waiting for a restart.
+func (m Model) updateLabel() string {
+	switch {
+	case m.updated != "":
+		return " → " + m.updated + " (restart)"
+	case m.newer != nil:
+		return " ↑ " + m.newer.Tag + withKey(m.keys.Update, " %s")
+	}
+	return ""
+}