Fix a regression that broke kitten update-self

Fixes #6729

docs/changelog.rst

@@ -64,6 +64,8 @@ Detailed list of changes
 
 - Remote control launch: Fix the ``--copy-env`` option not copying current environment variables (:iss:`6724`)
 
+- Fix a regression that broke ``kitten update-self`` (:iss:`6729`)
+
 
 0.30.1 [2023-10-05]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

gen/go_code.py

@@ -592,11 +592,11 @@ const VersionString string = "{kc.str_version}"
 const WebsiteBaseURL string = "{kc.website_base_url}"
 const FileTransferCode int = {FILE_TRANSFER_CODE}
 const ImagePlaceholderChar rune = {placeholder_char}
-const VCSRevision string = ""
 const SSHControlMasterTemplate = "{kc.ssh_control_master_template}"
 const RC_ENCRYPTION_PROTOCOL_VERSION string = "{kc.RC_ENCRYPTION_PROTOCOL_VERSION}"
-const IsFrozenBuild bool = false
-const IsStandaloneBuild bool = false
+var VCSRevision string = ""
+var IsFrozenBuild string = ""
+var IsStandaloneBuild string = ""
 const HandleTermiosSignals = {Mode.HANDLE_TERMIOS_SIGNALS.value[0]}
 const HintsDefaultRegex = `{DEFAULT_REGEX}`
 const DefaultTermName = `{Options.term}`

setup.py

@@ -972,15 +972,16 @@ def build_static_kittens(
         update_go_generated_files(args, os.path.join(launcher_dir, appname))
     cmd = [go, 'build', '-v']
     vcs_rev = args.vcs_rev or get_vcs_rev()
-    ld_flags = [f"-X 'kitty.VCSRevision={vcs_rev}'"]
+    ld_flags: List[str] = []
+    binary_data_flags = [f"-X kitty.VCSRevision={vcs_rev}"]
     if for_freeze:
-        ld_flags.append("-X 'kitty.IsFrozenBuild=true'")
+        binary_data_flags.append("-X kitty.IsFrozenBuild=true")
     if for_platform:
-        ld_flags.append("-X 'kitty.IsStandaloneBuild=true'")
+        binary_data_flags.append("-X kitty.IsStandaloneBuild=true")
     if not args.debug:
         ld_flags.append('-s')
         ld_flags.append('-w')
-    cmd += ['-ldflags', ' '.join(ld_flags)]
+    cmd += ['-ldflags', ' '.join(binary_data_flags + ld_flags)]
     dest = os.path.join(destination_dir or launcher_dir, 'kitten')
     if for_platform:
         dest += f'-{for_platform[0]}-{for_platform[1]}'

tools/cmd/update_self/main.go

@@ -4,11 +4,11 @@ package update_self
 
 import (
 	"fmt"
-	"kitty"
 	"os"
 	"path/filepath"
 	"runtime"
 
+	"kitty"
 	"kitty/tools/cli"
 	"kitty/tools/tty"
 	"kitty/tools/tui"
@@ -33,7 +33,7 @@ func update_self(version string) (err error) {
 	if err != nil {
 		return err
 	}
-	if !kitty.IsStandaloneBuild {
+	if kitty.IsStandaloneBuild == "" {
 		return fmt.Errorf("This is not a standalone kitten executable. You must update all of kitty instead.")
 	}
 	rv := "v" + version

tools/tui/download_with_progress.go

@@ -139,7 +139,14 @@ func DownloadFileWithProgress(destpath, url string, kill_if_signaled bool) (err
 		}
 	}
 
+	on_timer_tick := func(timer_id loop.IdType) error {
+		return lp.OnWakeup()
+	}
+
 	lp.OnInitialize = func() (string, error) {
+		if _, err = lp.AddTimer(rd.spinner.interval, true, on_timer_tick); err != nil {
+			return "", err
+		}
 		go do_download()
 		lp.QueueWriteString("Downloading: " + url + "\r\n")
 		return "\r\n", nil
@@ -179,13 +186,6 @@ func DownloadFileWithProgress(destpath, url string, kill_if_signaled bool) (err
 		return nil
 	}
 
-	on_timer_tick := func(timer_id loop.IdType) error {
-		return lp.OnWakeup()
-	}
-
-	if _, err = lp.AddTimer(rd.spinner.interval, true, on_timer_tick); err != nil {
-		return
-	}
 	err = lp.Run()
 	dl_data.mutex.Lock()
 	if dl_data.temp_file_path != "" && !dl_data.download_finished {