fix: more robust version generation from tag

Signed-off-by: Tomas Jaros <tomas.jaros@nxp.com>

Author: tjaros

.github/workflows/build_wrapper.yaml

@@ -56,6 +56,29 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.11"
+
+      - name: Validate git versioning (Windows)
+        if: runner.os == 'Windows'
+        run: |
+            $version = git describe --tags --long 2>$null
+            if ($LASTEXITCODE -ne 0) {
+              Write-Host "Error: No git tags found. Cannot determine version."
+              Write-Host "Available tags:"
+              git tag -l
+              exit 1
+            }
+            Write-Host "Found version: $version"
+
+      - name: Validate git versioning (Unix)
+        if: runner.os != 'Windows'
+        run: |
+          if ! version=$(git describe --tags --long 2>/dev/null); then
+            echo "Error: No git tags found. Cannot determine version."
+            echo "Available tags:"
+            git tag -l
+            exit 1
+          fi
+          echo "Found version: $version"
       
       - name: Install build dependencies
         run: |
@@ -177,4 +200,4 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           packages-dir: dist
-          skip-existing: true
+          skip-existing: false

wrapper/CMakeLists.txt

@@ -18,10 +18,26 @@ include_directories(${generated_files_dir})
 
 # Set the path for gitversion.h in the generated files directory
 set(gitversion_h "${generated_files_dir}/gitversion.h")
+# Run git describe without --always flag
+execute_process(
+    COMMAND git describe --tags --long 
+    OUTPUT_VARIABLE version 
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    RESULT_VARIABLE git_result
+    ERROR_VARIABLE git_error
+)
 
-# Run git describe
-execute_process(COMMAND git describe --long --always OUTPUT_VARIABLE version OUTPUT_STRIP_TRAILING_WHITESPACE)
-
+# Check if git describe failed
+if(NOT git_result EQUAL 0)
+    message(FATAL_ERROR "Failed to get version from git: ${git_error}\n"
+                       "Make sure you have tags in your repository.\n"
+                       "Create a tag with: git tag uuu_1.0.0")
+endif()
+
+# Validate version format
+if(NOT version MATCHES "^uuu_[0-9]+\\.[0-9]+\\.[0-9]+(\\-[0-9]+\\-g[0-9a-f]+)?$")
+    message(FATAL_ERROR "Git version '${version}' doesn't match expected format 'uuu_X.Y.Z' or 'uuu_X.Y.Z-N-gHASH'")
+endif()
 # Add a custom command to generate definitions.h
 if (WIN32)
 add_custom_command(