yetone
73ef0e5276
site/ is the website: a static page plus a worker that turns the newest release of yetone/magpie-releases into an update feed (/api/latest, with every file's SHA-256), stable download links and an install script. The app asks the feed at start-up and every six hours, downloads a newer version in the background, and installs it on Restart to Update or on quit. A download must match its checksum and be signed by the same team as the app it replaces. `magpie update` does the same from a terminal and replaces a bare binary in place.
58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
package main
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import (
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"context"
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"fmt"
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"path/filepath"
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"time"
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"github.com/yetone/magpie/internal/update"
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)
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// updateCmd is `magpie update [check]`: the app replaces its bundle, the
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// terminal build its binary.
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func updateCmd(args []string) error {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
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defer cancel()
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rel, err := update.Latest(ctx)
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if err != nil {
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return err
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}
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if !update.Newer(rel.Version, version) {
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if update.Released(version) {
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fmt.Println(green.Render("✓"), "magpie", version, muted.Render("is the latest"))
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} else {
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fmt.Println("magpie", version, muted.Render("was built from source; the latest release is "+rel.Version))
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}
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return nil
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}
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fmt.Println("magpie", bold.Render(rel.Version), "is out", muted.Render("(you have "+version+") · "+rel.URL))
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if len(args) > 1 && args[1] == "check" {
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return nil
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}
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if !update.Released(version) {
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return fmt.Errorf("this magpie was built from source; update it the way you built it, or get the release from %s", update.Site)
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}
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if app := update.Bundle(); app != "" {
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if !update.Writable(filepath.Dir(app)) {
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return fmt.Errorf("cannot write to %s; download the new version from %s", filepath.Dir(app), update.Site)
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}
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fmt.Println(muted.Render(" downloading " + update.AppAsset() + " …"))
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staged, err := update.Stage(ctx, rel, app)
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if err != nil {
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return err
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}
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if err := update.Install(staged, app); err != nil {
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return err
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}
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fmt.Println(green.Render("✓"), "updated", tilde(app), "to", rel.Version, muted.Render("· quit and reopen magpie to use it"))
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return nil
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}
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fmt.Println(muted.Render(" downloading " + update.BinaryAsset() + " …"))
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if err := update.ReplaceBinary(ctx, rel); err != nil {
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return err
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}
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fmt.Println(green.Render("✓"), "updated to", rel.Version)
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return nil
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}
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