ensure linked directory is present

Cryptodog · Dec 21, 2023 · 77a8e74 · 77a8e74
1 parent bc3ed3b
commit 77a8e74
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Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,3 @@
 config.json
+minisign.pub
 updater
diff --git a/updater.go b/updater.go
@@ -117,6 +117,7 @@ func getReleaseSymlink(deployDir, targetName string) string {
 
 func getLastReleaseID(deployDir, targetName string) (string, error) {
 	lastReleaseSymlink := getReleaseSymlink(deployDir, targetName)
+	// make sure it's a symlink
 	fi, err := os.Lstat(lastReleaseSymlink)
 	if err != nil {
 		return "", err
@@ -129,6 +130,13 @@ func getLastReleaseID(deployDir, targetName string) (string, error) {
 	if err != nil {
 		return "", err
 	}
+	// don't want to continue if the linked release directory isn't actually there
+	_, err = os.Stat(lastReleaseDir)
+	if err != nil {
+		return "", err
+	}
+
+	// get ID from directory name
 	split := strings.Split(filepath.Base(lastReleaseDir), "-")
 	if len(split) != 2 {
 		return "", fmt.Errorf("invalid last release directory name: %s", lastReleaseDir)