From 8fd718c9eb70cc3d6899a91596c0333406a1f411 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 7 Mar 2025 21:09:17 -0700
Subject: [PATCH] [fontations] Add fmt-check target

---
 meson.build                |  1 +
 src/fontations/meson.build | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/meson.build b/meson.build
index 4c084cf70..0562e7322 100644
--- a/meson.build
+++ b/meson.build
@@ -465,6 +465,7 @@ alias_target('libs', libharfbuzz, libharfbuzz_subset)
 if get_option('fontations').enabled()
   alias_target('clippy', clippy)
   alias_target('fmt', fmt)
+  alias_target('fmt-check', fmt_check)
 endif
 
 if meson.version().version_compare('>=0.57.0')
diff --git a/src/fontations/meson.build b/src/fontations/meson.build
index 998326aa6..767859314 100644
--- a/src/fontations/meson.build
+++ b/src/fontations/meson.build
@@ -83,3 +83,17 @@ fmt = custom_target(
     meson.current_source_dir() / 'lib.rs',
   ],
 )
+fmt_check = custom_target(
+  'fmt-check',
+  input: 'lib.rs',
+  output: 'fmt-check',
+  depends: [hb_rs],
+  env: ['OUT_DIR=' + meson.current_build_dir()],
+  command: [
+    rustfmt,
+    '--check',
+    '--edition', '2021',
+    '--',
+    meson.current_source_dir() / 'lib.rs',
+  ],
+)