From e5fd3f60e5d5cf28190d288bc13e0117d69ff493 Mon Sep 17 00:00:00 2001
From: Shuanglei Tao <tsl0922@gmail.com>
Date: Fri, 29 Mar 2024 08:58:02 +0800
Subject: [PATCH] cmake: get version from git ref
---
CMakeLists.txt | 36 ++++++++++--------------------
cmake/GetGitVersion.cmake | 47 +++++++++++++++++++++++++++++++++++++++
2 files changed, 59 insertions(+), 24 deletions(-)
create mode 100644 cmake/GetGitVersion.cmake
diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc71802..0bf19bc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,28 +1,16 @@
-cmake_minimum_required(VERSION 2.8.12)
-
-if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
- project(ttyd C)
- set(PROJECT_VERSION_MAJOR "1")
- set(PROJECT_VERSION_MINOR "7")
- set(PROJECT_VERSION_PATCH "4")
- set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
-else()
- cmake_policy(SET CMP0048 NEW)
- project(ttyd VERSION 1.7.4 LANGUAGES C)
-endif()
+cmake_minimum_required(VERSION 3.12.0)
-find_package(Git)
-if(GIT_FOUND)
- execute_process(
- COMMAND ${GIT_EXECUTABLE} --git-dir ${CMAKE_CURRENT_SOURCE_DIR}/.git rev-parse --short HEAD
- RESULT_VARIABLE GIT_RET
- OUTPUT_VARIABLE GIT_COMMIT
- OUTPUT_STRIP_TRAILING_WHITESPACE
- ERROR_QUIET
- )
- if("${GIT_RET}" STREQUAL "0")
- set(PROJECT_VERSION "${PROJECT_VERSION}-${GIT_COMMIT}")
- endif()
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+include(GetGitVersion)
+
+get_git_version(GIT_VERSION SEM_VER)
+get_git_head(GIT_COMMIT)
+
+project(ttyd VERSION "${SEM_VER}" LANGUAGES C)
+
+if(NOT "{GIT_COMMIT}" STREQUAL "")
+ set(PROJECT_VERSION "${PROJECT_VERSION}-${GIT_COMMIT}")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE")
diff --git a/cmake/GetGitVersion.cmake b/cmake/GetGitVersion.cmake
new file mode 100644
index 0000000..6c8f6c8
--- /dev/null
+++ b/cmake/GetGitVersion.cmake
@@ -0,0 +1,47 @@
+find_package(Git)
+
+function(get_git_version var1 var2)
+ if(GIT_EXECUTABLE)
+ execute_process(
+ COMMAND ${GIT_EXECUTABLE} describe --tags --match "[0-9]*.[0-9]*.[0-9]*" --abbrev=8
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ RESULT_VARIABLE status
+ OUTPUT_VARIABLE GIT_VERSION
+ )
+ if (${status})
+ set(GIT_VERSION "0.0.0")
+ else()
+ string(STRIP ${GIT_VERSION} GIT_VERSION)
+ string(REGEX REPLACE "-[0-9]+-g" "-" GIT_VERSION ${GIT_VERSION})
+ endif()
+ else()
+ set(GIT_VERSION "0.0.0")
+ endif()
+
+ string(REGEX MATCH "^[0-9]+.[0-9]+.[0-9]+" SEM_VER "${GIT_VERSION}")
+
+ message("-- Git Tag: ${GIT_VERSION}, Sem Ver: ${SEM_VER}")
+
+ set(${var1} ${GIT_VERSION} PARENT_SCOPE)
+ set(${var2} ${SEM_VER} PARENT_SCOPE)
+endfunction()
+
+function(get_git_head var1)
+ if(GIT_EXECUTABLE)
+ execute_process(
+ COMMAND ${GIT_EXECUTABLE} --git-dir ${CMAKE_CURRENT_SOURCE_DIR}/.git rev-parse --short HEAD
+ RESULT_VARIABLE status
+ OUTPUT_VARIABLE GIT_COMMIT
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+ ERROR_QUIET
+ )
+
+ if(${status})
+ set(GIT_COMMIT "unknown")
+ endif()
+
+ message("-- Git Commit: ${GIT_COMMIT}")
+
+ set(${var1} ${GIT_COMMIT} PARENT_SCOPE)
+ endif()
+endfunction()
--
2.43.4