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

diff --git a/tools/cmake/third_party/GetGitRevisionDescription.cmake b/tools/cmake/third_party/GetGitRevisionDescription.cmake
index 51468b39b3f0ec5a8150b20c336835c7f58299da..1de63b36231abe88a248af48477d36a24372b717 100644 (file)
--- 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}"