From 7df35f4064a8f2b005226a8f0cbe85042856b9b9 Mon Sep 17 00:00:00 2001
From: David Lane <42013603+ReenigneArcher@users.noreply.github.com>
Date: Mon, 23 Mar 2026 18:44:14 -0400
Subject: [PATCH] build: fix build-deps tag matching (#4899)

---
 cmake/dependencies/ffmpeg.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cmake/dependencies/ffmpeg.cmake b/cmake/dependencies/ffmpeg.cmake
index e13518cf..16afa138 100644
--- a/cmake/dependencies/ffmpeg.cmake
+++ b/cmake/dependencies/ffmpeg.cmake
@@ -18,6 +18,13 @@ if(NOT DEFINED FFMPEG_PREPARED_BINARIES)
     # Determine download location
     set(FFMPEG_DOWNLOAD_DIR "${CMAKE_BINARY_DIR}/_deps")
 
+    # Fetch tags for the build-deps submodule so tag lookups work in CI shallow clones
+    execute_process(
+        COMMAND git -C "${CMAKE_SOURCE_DIR}/third-party/build-deps" fetch --tags --depth=1
+        OUTPUT_QUIET
+        ERROR_QUIET
+    )
+
     # Get the current commit/tag from the build-deps submodule
     execute_process(
         COMMAND git -C "${CMAKE_SOURCE_DIR}/third-party/build-deps" describe --tags --exact-match