From 80441884571e1122babe6bd433ec221e007fc814 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 1 Sep 2008 15:27:35 +0000
Subject: [PATCH] Introduced a OSG_MAINTAINER section of cmake build to help
 support making tags and branches

---
 CMakeLists.txt | 72 +++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 62 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 322eea194..6cc59f19f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,10 @@ SET(OPENSCENEGRAPH_MINOR_VERSION 7)
 SET(OPENSCENEGRAPH_PATCH_VERSION 2)
 SET(OPENSCENEGRAPH_SOVERSION 46)
 
+# set to 0 when not a release candidate, non zero means that any generated 
+# svn tags will be treated as release candidates of given number
+SET(OPENSCENEGRAPH_RELEASE_CANDIDATE 0)
+
 SET(OPENSCENEGRAPH_VERSION ${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINOR_VERSION}.${OPENSCENEGRAPH_PATCH_VERSION})
 
 SET(OSG_PLUGINS osgPlugins-${OPENSCENEGRAPH_VERSION})
@@ -81,6 +85,64 @@ IF(CMAKE_SYSTEM MATCHES IRIX)
     SET(CMAKE_THREAD_LIBS_INIT "" CACHE INTERNAL "")
 ENDIF(CMAKE_SYSTEM MATCHES IRIX)
 
+OPTION(OSG_MAINTAINER "Enable OpenSceneGraph maintainer build methods, such as making svn branches, tags, updating ChangeLog." OFF)
+IF (OSG_MAINTAINER)
+
+    SET(OPENSCENEGRAPH_SVN "trunk")
+    #SET(OPENSCENEGRAPH_SVN "branches")
+    SET(OPENSCENEGRAPH_BRANCH OpenSceneGraph-${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINOR_VERSION})
+
+    #
+    # Provide target for tagging a release
+    #
+    SET(SVNCOMMAND svn)
+    SET(SVNTRUNKDIR     http://www.openscenegraph.org/svn/osg/OpenSceneGraph/trunk)
+    SET(SVNTAGDIR       http://www.openscenegraph.org/svn/osg/OpenSceneGraph/tags)
+    SET(SVNBRANCHDIR    http://www.openscenegraph.org/svn/osg/OpenSceneGraph/branch)
+
+    IF   (OPENSCENEGRAPH_SVN STREQUAL "trunk")
+        SET(SVNSOURCEDIR ${SVNTRUNKDIR})
+    ELSE (OPENSCENEGRAPH_SVN STREQUAL "trunk")
+        SET(SVNSOURCEDIR ${SVNBRANCH_DIR}/${OPENSCENEGRAPH_BRANCH})
+    ENDIF(OPENSCENEGRAPH_SVN STREQUAL "trunk")
+
+
+    IF   (OPENSCENEGRAPH_RELEASE_CANDIDATE EQUAL 0)
+        SET(RELEASE_NAME OpenSceneGraph-${OPENSCENEGRAPH_VERSION})
+    ELSE (OPENSCENEGRAPH_RELEASE_CANDIDATE EQUAL 0)
+        SET(RELEASE_NAME OpenSceneGraph-${OPENSCENEGRAPH_VERSION}-rc${OPENSCENEGRAPH_RELEASE_CANDIDATE})
+    ENDIF(OPENSCENEGRAPH_RELEASE_CANDIDATE EQUAL 0)
+
+
+    ADD_CUSTOM_TARGET(tag-test
+        COMMAND echo ${SVNCOMMAND} copy ${SVNSOURCEDIR} ${SVNTAGDIR}/${RELEASE_NAME} -m "Release ${RELEASE_NAME}"
+    )
+
+    ADD_CUSTOM_TARGET(tag-run
+        COMMAND ${SVNCOMMAND} copy ${SVNSOURCEDIR} ${SVNTAGDIR}/${RELEASE_NAME} -m "Release ${RELEASE_NAME}"
+    )
+
+    ADD_CUSTOM_TARGET(branch-test
+        COMMAND echo ${SVNCOMMAND} copy ${SVNSOURCEDIR} ${SVNBRANCHDIR}/${OPENSCENEGRAPH_BRANCH} -m "Branch ${OPENSCENEGRAPH_BRANCH}"
+    )
+
+    ADD_CUSTOM_TARGET(branch-run
+        COMMAND ${SVNCOMMAND} copy ${SVNSOURCEDIR} ${SVNBRANCHDIR}/${OPENSCENEGRAPH_BRANCH} -m "Branch ${OPENSCENEGRAPH_BRANCH}"
+    )
+
+    #
+    # Provide target for generating ChangeLog
+    #
+    SET(SVN2LOG ~/bin/svn2log.py)
+    SET(GENERATELOGS svn log -v --xml | python ${SVN2LOG} -L -H)
+
+    ADD_CUSTOM_TARGET(ChangeLog
+        COMMAND ${GENERATELOGS}
+    )
+    
+ENDIF(OSG_MAINTAINER)
+
+
 # Find OpenGL
 FIND_PACKAGE(OpenGL)
 
@@ -575,16 +637,6 @@ ADD_CUSTOM_TARGET(wrappers
 )
 
 
-#
-# Provide target for generating ChangeLog
-#
-SET(SVN2LOG ~/bin/svn2log.py)
-SET(GENERATELOGS svn log -v --xml | python ${SVN2LOG} -L -H)
-
-ADD_CUSTOM_TARGET(ChangeLog
-    COMMAND ${GENERATELOGS}
-)
-
 OPTION(BUILD_REF_DOCS "Build OpenSceneGraph reference documentation using doxygen (use: make DoxygenDoc)" OFF)
 
 IF(BUILD_REF_DOCS)