Automate version generation

Version is now generated automatically based on git tags.
Both cases are handled: building from git tree and building tarball downloaded from github.

Works for qmake and cmake

.gitattributes

@@ -0,0 +1 @@
+limereport/version.h.in export-subst

.gitignore

@@ -128,7 +128,8 @@ modules.xml
 .LSOverride
 
 # Icon must end with two \r
-Icon
+Icon
+
 
 # Thumbnails
 ._*
@@ -288,6 +289,6 @@ $RECYCLE.BIN/
 # End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,qtcreator,qt,macos,intellij+iml,cmake,linux,windows
 
 # Custom rules (everything added below won't be overriden by 'Generate .gitignore File' if you use 'Update' option)
-
+limereport/version.h
 /build/
 *.app

CMakeLists.txt

@@ -1,10 +1,10 @@
 cmake_minimum_required(VERSION 3.14)
 project(limereport)
 
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" "${CMAKE_MODULE_PATH}")
+include(GenerateVersionHeader)
+
 set(DEFAULT_ITEM_PADDING 0)
-set(LIMEREPORT_VERSION_MAJOR 1)
-set(LIMEREPORT_VERSION_MINOR 7)
-set(LIMEREPORT_VERSION_RELEASE 14)
 
 option(ENABLE_ZINT "Enable libzint build for barcode support" OFF)
 option(LIMEREPORT_STATIC "Build LimeReport as static library" OFF)
@@ -349,14 +349,12 @@ set(EXTRA_FILES
    ${PROJECT_NAME}/lrpreparedpagesintf.h
 )
 
-configure_file(config.h.in config.h @ONLY)
-
 set(GLOBAL_HEADERS
     ${PROJECT_NAME}/LimeReport
     ${PROJECT_NAME}/LRCallbackDS
     ${PROJECT_NAME}/LRDataManager
     ${PROJECT_NAME}/LRScriptManager
-    ${CMAKE_CURRENT_BINARY_DIR}/config.h
+    ${CMAKE_CURRENT_BINARY_DIR}/limereport/version.h
     )
 
 set(PROJECT_NAME ${PROJECT_NAME}-qt${QT_VERSION_MAJOR})
@@ -371,8 +369,6 @@ else()
     target_compile_definitions( ${PROJECT_NAME} INTERFACE -DLIMEREPORT_IMPORTS)
 endif()
 
-target_compile_definitions(${PROJECT_NAME} PUBLIC -DCMAKE_CONFIG)
-
 if(Qt${QT_VERSION_MAJOR}UiTools_FOUND)
     target_compile_definitions( ${PROJECT_NAME} PRIVATE -DHAVE_UI_LOADER)
     target_link_libraries( ${PROJECT_NAME} PUBLIC

cmake/modules/GenerateVersionHeader.cmake

@@ -0,0 +1,28 @@
+find_package(Git)
+
+if(GIT_EXECUTABLE)
+  # Generate a git-describe version string from Git repository tags
+  execute_process(
+    COMMAND ${GIT_EXECUTABLE} describe --tags --dirty
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    OUTPUT_VARIABLE GIT_DESCRIBE_VERSION
+    RESULT_VARIABLE GIT_DESCRIBE_ERROR_CODE
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+  if(NOT GIT_DESCRIBE_ERROR_CODE)
+    set(GIT_VERSION ${GIT_DESCRIBE_VERSION})
+  endif()
+endif()
+
+# Final fallback: Just use a bogus version string that is semantically older
+# than anything else and spit out a warning to the developer.
+if(NOT DEFINED GIT_VERSION)
+  set(GIT_VERSION 0.0.0-unknown)
+  message(WARNING "Failed to determine version from Git tags. Using default version \"${FOOBAR_VERSION}\".")
+endif()
+
+configure_file(
+  ${CMAKE_SOURCE_DIR}/limereport/version.h.in
+  ${CMAKE_BINARY_DIR}/limereport/version.h
+  @ONLY)
+

common.pri

@@ -139,13 +139,6 @@ UI_SOURCES_DIR = $${ARCH_DIR}/$${BUILD_TYPE}/ui
 OBJECTS_DIR    = $${ARCH_DIR}/$${BUILD_TYPE}/obj
 RCC_DIR        = $${ARCH_DIR}/$${BUILD_TYPE}/rcc
 
-LIMEREPORT_VERSION_MAJOR = 1
-LIMEREPORT_VERSION_MINOR = 7
-LIMEREPORT_VERSION_RELEASE = 14
-
-LIMEREPORT_VERSION = '$${LIMEREPORT_VERSION_MAJOR}.$${LIMEREPORT_VERSION_MINOR}.$${LIMEREPORT_VERSION_RELEASE}'
-DEFINES *= LIMEREPORT_VERSION_STR=\\\"$${LIMEREPORT_VERSION}\\\"
-
 QT *= xml sql
 
 REPORT_PATH = $$PWD/limereport

console/main.cpp

@@ -6,6 +6,7 @@
 #include <QDir>
 #include <QFile>
 #include <QCommandLineParser>
+#include "../limereport/version.h"
 
 #ifdef _WIN32
   #include <io.h>

limereport/limereport.pri

@@ -213,3 +213,19 @@ FORMS += \
 RESOURCES += \
     $$REPORT_PATH/report.qrc \
     $$REPORT_PATH/items/items.qrc
+
+system("git -v") {
+    LR_VERSION = $$system("git --git-dir=../.git describe --tags --dirty")
+} else {
+    LR_VERSION = "0.0.0-unknown"
+}
+
+VERSION_TEMPLATE = $$PWD/version.h.in
+
+generateversion.depends = FORCE
+generateversion.input = VERSION_TEMPLATE
+generateversion.output = $$OUT_PWD/version.h
+generateversion.commands = $$QMAKE_STREAM_EDITOR \'s/@GIT_VERSION@/$$LR_VERSION/\' ${QMAKE_FILE_IN} > ${QMAKE_FILE_OUT}
+generateversion.CONFIG = no_link target_predeps
+
+QMAKE_EXTRA_COMPILERS += generateversion

limereport/lraboutdialog.cpp

@@ -27,9 +27,7 @@
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  *   GNU General Public License for more details.                          *
  ****************************************************************************/
-#ifdef CMAKE_CONFIG
-#include <config.h>
-#endif
+#include "version.h"
 #include "lraboutdialog.h"
 #include "ui_lraboutdialog.h"
 

limereport/version.h.in

@@ -0,0 +1,9 @@
+#pragma once
+
+// git will put "#define GIT_ARCHIVE 1" on the next line inside archives. $Format:%n#define GIT_ARCHIVE 1$
+
+#ifdef GIT_ARCHIVE
+#define LIMEREPORT_VERSION_STR "$Format:%(describe)$"
+#else
+#define LIMEREPORT_VERSION_STR "@GIT_VERSION@"
+#endif