From 95dcfecedc9a67b02c99bebe0b877fd750a4ada8 Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Wed, 22 May 2019 10:19:38 +1000
Subject: [PATCH] cmake: Project & IDF git revisions: Show un-annotated tags
 and -dirty flag

Adds --tags and --dirty flags to cmake git_describe() calls, and not
pass the HEAD commit hash (incompatible with --dirty)

Makes IDF_VER output the same as in Make build system

Thanks to @william-ferguson-au for reporting this:
https://github.com/espressif/esp-idf/issues/3378#event-2355460974
---
 tools/cmake/third_party/GetGitRevisionDescription.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/cmake/third_party/GetGitRevisionDescription.cmake b/tools/cmake/third_party/GetGitRevisionDescription.cmake
index 51468b39b3..1de63b3623 100644
--- a/tools/cmake/third_party/GetGitRevisionDescription.cmake
+++ b/tools/cmake/third_party/GetGitRevisionDescription.cmake
@@ -113,7 +113,8 @@ function(git_describe _var _repo_dir)
 		${_repo_dir}
 		describe
 		"--always"
-		${hash}
+		"--tags"
+		"--dirty"
 		${ARGN}
 		WORKING_DIRECTORY
 		"${CMAKE_CURRENT_SOURCE_DIR}"