From 4dabde04853d8eb3924750f0c1c1841b6119d81d Mon Sep 17 00:00:00 2001
From: eldritch horrors <pennae@lix.systems>
Date: Fri, 8 Mar 2024 08:26:03 +0100
Subject: [PATCH] Add assertion for decreasing the indent
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Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com>
(cherry picked from commit a27651908fc1b5ef73a81e46434a408c5868fa7b)
Change-Id: I2ec78e234c1c6e982f7b05f81d8b8356daf6c274
---
 src/libexpr/print.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libexpr/print.cc b/src/libexpr/print.cc
index 53d0861bf..76f9a9c56 100644
--- a/src/libexpr/print.cc
+++ b/src/libexpr/print.cc
@@ -174,6 +174,7 @@ private:
     void decreaseIndent()
     {
         if (options.prettyPrint()) {
+            assert(indent.size() >= options.prettyIndent);
             indent.resize(indent.size() - options.prettyIndent);
         }
     }