From 8945b3b5e336a42972448e2f07ed5bc465a40c83 Mon Sep 17 00:00:00 2001
From: Matt Sturgeon <matt@sturgeon.me.uk>
Date: Wed, 31 Jul 2024 12:54:55 +0100
Subject: [PATCH] flake/generate-files: fix `--commit` line count

`echo` pipes all its output at once, so `wc -l` always counts 1 line.

See https://stackoverflow.com/questions/60954221
---
 flake-modules/updates/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/flake-modules/updates/default.nix b/flake-modules/updates/default.nix
index 55e0d0c5..3035e147 100644
--- a/flake-modules/updates/default.nix
+++ b/flake-modules/updates/default.nix
@@ -57,7 +57,8 @@
             )
 
             # Construct the commit message based on the body
-            count=$(echo -n "$body" | wc -l)
+            # NOTE: Can't use `wc -l` due to how `echo` pipes its output
+            count=$(echo -n "$body" | awk 'END {print NR}')
             if [ "$count" -gt 1 ] || [ ''${#body} -gt 50 ]; then
               msg=$(echo -e "generated: Update\n\n$body")
             else