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Rebuild picks up the git version after each commit

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PROJECT_VER was only read at CMake configure time, so builds kept the
previous commit's version. CMake now re-runs when .git/logs/HEAD or
.git/index change. Needed for OTA tests (step 2b), which rely on the
version changing between builds.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Ben Nicholson
2026-09-24 23:17:13 +10:00
parent 07e16e6163
commit cbfc37cde6
1 changed files with 5 additions and 1 deletions
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CMakeLists.txt
+5 -1
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@@ -1,7 +1,11 @@
cmake_minimum_required(VERSION 3.16) cmake_minimum_required(VERSION 3.16)
# Firmware version = git describe (tags, dirty flag). Reported by esp_app_get_description() # Firmware version = git describe (tags, dirty flag). Reported by esp_app_get_description()
# and in status.fw / GET /api/ota. Re-run cmake (idf.py reconfigure) to pick up a new tag. # and in status.fw / GET /api/ota. CMake re-runs when git's HEAD log or index changes (commit,
# checkout, add), so the version follows. A new tag or unstaged edits need `idf.py reconfigure`.
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS
${CMAKE_CURRENT_LIST_DIR}/.git/logs/HEAD
${CMAKE_CURRENT_LIST_DIR}/.git/index)
execute_process( execute_process(
COMMAND git describe --tags --always --dirty COMMAND git describe --tags --always --dirty
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR} WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}