Use the source package date or the source git repository date

instead of the current build date. The use of a stable date
is necessary to achieve reproducible builds.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 589e29d020)

modules/FindTDE.cmake

@@ -89,13 +89,8 @@ if( NOT TDE_FOUND )
   set( KDE3_DCOPIDLNG_EXECUTABLE env KDECONFIG=${KDECONFIG_EXECUTABLE} ${KDE3_DCOPIDLNG_EXECUTABLE}
     CACHE INTERNAL "dcopidlng executable" FORCE )
 
-  # look for SCM data if present
-  if( EXISTS "${CMAKE_SOURCE_DIR}/.tdescmmodule" )
-    file( STRINGS "${CMAKE_SOURCE_DIR}/.tdescmmodule" TDE_SCM_MODULE_NAME )
-  endif( EXISTS "${CMAKE_SOURCE_DIR}/.tdescmmodule" )
-  if( EXISTS "${CMAKE_SOURCE_DIR}/.tdescmrevision" )
-    file( STRINGS "${CMAKE_SOURCE_DIR}/.tdescmrevision" TDE_SCM_MODULE_REVISION )
-  endif( EXISTS "${CMAKE_SOURCE_DIR}/.tdescmrevision" )
+  # read source metadata
+  tde_read_src_metadata()
 
   message( STATUS "  found 'TDE', version ${TDE_VERSION}" )
 

modules/TDEMacros.cmake

@@ -102,6 +102,47 @@ macro( tde_execute_process )
 endmacro( tde_execute_process )
 
 
+################################################
+#####
+##### tde_read_src_metadata
+
+macro( tde_read_src_metadata )
+  # look for SCM data if present
+  if( EXISTS "${CMAKE_SOURCE_DIR}/.tdescminfo" )
+    file( READ "${CMAKE_SOURCE_DIR}/.tdescminfo" TDE_SCM_INFO )
+    string( REGEX MATCH "(^|\n)Name: ([^\n]*)" TDE_SCM_MODULE_NAME "${TDE_SCM_INFO}" )
+    string( REGEX REPLACE "^[^:]*: " "" TDE_SCM_MODULE_NAME "${TDE_SCM_MODULE_NAME}" )
+    string( REGEX MATCH "(^|\n)Revision: ([^\n]*)" TDE_SCM_MODULE_REVISION "${TDE_SCM_INFO}" )
+    string( REGEX REPLACE "^[^:]*: " "" TDE_SCM_MODULE_REVISION "${TDE_SCM_MODULE_REVISION}" )
+    string( REGEX MATCH "(^|\n)DateTime: ([^\n]*)" TDE_SCM_MODULE_DATETIME "${TDE_SCM_INFO}" )
+    string( REGEX REPLACE "^[^:]*: " "" TDE_SCM_MODULE_DATETIME "${TDE_SCM_MODULE_DATETIME}" )
+  else( )
+    if( EXISTS "${CMAKE_SOURCE_DIR}/.tdescmmodule" )
+      file( STRINGS "${CMAKE_SOURCE_DIR}/.tdescmmodule" TDE_SCM_MODULE_NAME )
+    endif( EXISTS "${CMAKE_SOURCE_DIR}/.tdescmmodule" )
+    if( EXISTS "${CMAKE_SOURCE_DIR}/.tdescmrevision" )
+      file( STRINGS "${CMAKE_SOURCE_DIR}/.tdescmrevision" TDE_SCM_MODULE_REVISION )
+    endif( EXISTS "${CMAKE_SOURCE_DIR}/.tdescmrevision" )
+  endif( )
+
+  # look for package data if present
+  if( EXISTS "${CMAKE_SOURCE_DIR}/.tdepkginfo" )
+    file( READ "${CMAKE_SOURCE_DIR}/.tdepkginfo" TDE_PKG_INFO )
+  endif( )
+  if( EXISTS "${CMAKE_BINARY_DIR}/.tdepkginfo" )
+    file( READ "${CMAKE_BINARY_DIR}/.tdepkginfo" TDE_PKG_INFO )
+  endif( )
+  if( TDE_PKG_INFO )
+    string( REGEX MATCH "(^|\n)Name: ([^\n]*)" TDE_PKG_NAME "${TDE_PKG_INFO}" )
+    string( REGEX REPLACE "^[^:]*: " "" TDE_PKG_NAME "${TDE_PKG_NAME}" )
+    string( REGEX MATCH "(^|\n)Version: ([^\n]*)" TDE_PKG_REVISION "${TDE_PKG_INFO}" )
+    string( REGEX REPLACE "^[^:]*: " "" TDE_PKG_VERSION "${TDE_PKG_VERSION}" )
+    string( REGEX MATCH "(^|\n)DateTime: ([^\n]*)" TDE_PKG_DATETIME "${TDE_PKG_INFO}" )
+    string( REGEX REPLACE "^[^:]*: " "" TDE_PKG_DATETIME "${TDE_PKG_DATETIME}" )
+  endif( )
+endmacro( tde_read_src_metadata )
+
+
 if( DEFINED MASTER_SOURCE_DIR )
   return( )
 endif( )
@@ -942,9 +983,16 @@ endmacro( tde_add_kpart )
 #################################################
 #####
 ##### tde_curdatetime
+
 macro( tde_curdatetime result )
-  tde_execute_process( COMMAND "date" "+%m/%d/%Y %H:%M:%S" OUTPUT_VARIABLE ${result} )
-  string( REGEX REPLACE "(..)/(..)/(....) (........).*" "\\1/\\2/\\3 \\4" ${result} ${${result}} )
+  if( TDE_PKG_DATETIME )
+    set( ${result} ${TDE_PKG_DATETIME} )
+  elseif( TDE_SCM_MODULE_DATETIME )
+    set( ${result} ${TDE_SCM_MODULE_DATETIME} )
+  else( )
+    tde_execute_process( COMMAND "date" "+%m/%d/%Y %H:%M:%S" OUTPUT_VARIABLE ${result} )
+    string( REGEX REPLACE "(..)/(..)/(....) (........).*" "\\1/\\2/\\3 \\4" ${result} ${${result}} )
+  endif( )
 endmacro( tde_curdatetime )
 
 
@@ -978,6 +1026,9 @@ macro( tde_add_executable _arg_target )
   # default metadata
   set( _product "Trinity Desktop Environment" )
   set( _version "${TDE_VERSION}" )
+  if( TDE_PKG_VERSION )
+    set( _version "${_version} (${TDE_PKG_VERSION})" )
+  endif( )
   tde_curdatetime( _datetime )
 
   foreach( _arg ${ARGV} )