Add support for CMake (buildsystem generator) (#2468)

Co-authored-by: Edgar <Edgar@AnotherFoxGuy.com>
2021-03-28 16:58:51 +02:00
parent 093a088363
commit e00938dfde
28 changed files with 1354 additions and 107 deletions
@@ -0,0 +1,65 @@
+# This script will set the following variables:
+# GIT_HASH
+#   If the git binary is found and the git work tree is intact, GIT_HASH is worked out using the `git rev-parse --short HEAD` command
+#   The value of GIT_HASH can be overriden by defining the GIT_HASH environment variable
+# GIT_COMMIT
+#   If the git binary is found and the git work tree is intact, GIT_COMMIT is worked out using the `git rev-parse HEAD` command
+#   The value of GIT_COMMIT can be overriden by defining the GIT_COMMIT environment variable
+# GIT_RELEASE
+#   If the git binary is found and the git work tree is intact, GIT_RELEASE is worked out using the `git describe` command
+#   The value of GIT_RELEASE can be overriden by defining the GIT_RELEASE environment variable
+
+find_package(Git)
+
+set(GIT_HASH "GIT-REPOSITORY-NOT-FOUND")
+set(GIT_COMMIT "GIT-REPOSITORY-NOT-FOUND")
+set(GIT_RELEASE "${PROJECT_VERSION}")
+
+if (GIT_EXECUTABLE)
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse --is-inside-work-tree
+            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+            RESULT_VARIABLE GIT_REPOSITORY_NOT_FOUND
+            ERROR_QUIET
+    )
+    if (GIT_REPOSITORY_NOT_FOUND)
+        set(GIT_REPOSITORY_FOUND 0)
+    else ()
+        set(GIT_REPOSITORY_FOUND 1)
+    endif()
+
+    if (GIT_REPOSITORY_FOUND)
+        execute_process(
+                COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
+                WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+                OUTPUT_VARIABLE GIT_HASH
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+
+        execute_process(
+                COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
+                WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+                OUTPUT_VARIABLE GIT_COMMIT
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+
+        execute_process(
+                COMMAND ${GIT_EXECUTABLE} describe
+                WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+                OUTPUT_VARIABLE GIT_RELEASE
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+    endif (GIT_REPOSITORY_FOUND)
+endif (GIT_EXECUTABLE)
+
+if (DEFINED ENV{GIT_HASH})
+    set(GIT_HASH "$ENV{GIT_HASH}")
+endif ()
+if (DEFINED ENV{GIT_COMMIT})
+    set(GIT_COMMIT "$ENV{GIT_COMMIT}")
+endif ()
+if (DEFINED ENV{GIT_RELEASE})
+    set(GIT_RELEASE "$ENV{GIT_RELEASE}")
+endif ()
+
+message(STATUS "Injected git values: ${GIT_COMMIT} (${GIT_RELEASE}) ${GIT_HASH}")