Show at maximum the configured amount of characters. If the changeset id

exeeds that limit, just show the full changeset id.

powerlevel9k.zsh-theme

@@ -55,11 +55,11 @@ local VCS_CHANGESET_PREFIX=''
 if [[ "$POWERLEVEL9K_SHOW_CHANGESET" == true ]]; then
   # Default: Just display the first 12 characters of our changeset-ID.
   local VCS_CHANGESET_HASH_LENGTH=12
-	if [[ -n $POWERLEVEL9K_CHANGESET_HASH_LENGTH ]]; then
-		VCS_CHANGESET_HASH_LENGTH=$POWERLEVEL9K_CHANGESET_HASH_LENGTH
-	fi
-	
-  VCS_CHANGESET_PREFIX="%F{$DEFAULT_COLOR_DARK}%$VCS_CHANGESET_HASH_LENGTH.$VCS_CHANGESET_HASH_LENGTH""i@%f"
+  if [[ -n $POWERLEVEL9K_CHANGESET_HASH_LENGTH ]]; then
+    VCS_CHANGESET_HASH_LENGTH=$POWERLEVEL9K_CHANGESET_HASH_LENGTH
+  fi
+
+  VCS_CHANGESET_PREFIX="%F{$DEFAULT_COLOR_DARK}%0.$VCS_CHANGESET_HASH_LENGTH""i@%f"
 fi
 
 zstyle ':vcs_info:*' enable git hg