When installing SVN snapshots, include the branch and revision in the version number.

In case some random snapshot is installed and used for production, then this
will ease rewinding.

Makefile.in

@@ -101,10 +101,10 @@ install-lib-main: install-local-test $(LIBDIR)
 	     tar cf - --exclude=.svn $${src_dir} |(cd $(LIBDIR); tar xf -); \
 	 done
 	@rm -f $(LIBDIR)/tools/addToolVersion.sh
-	@for src_file in steps.mk .version; do                 \
-	     echo "  INST   $${src_file}";                          \
-	     install -m 644 $${src_file} $(LIBDIR)/$${src_file};    \
-	 done
+	@echo "  INST   steps.mk"
+	@install -m 644 steps.mk $(LIBDIR)/steps.mk
+	@echo "  INST   .version"
+	@echo "$(VERSION)" >$(LIBDIR)/.version
 
 # Samples need a little love:
 #  - change every occurrence of CT_TOP_DIR to CT_LIB_DIR

configure

@@ -121,6 +121,21 @@ fi
 #---------------------------------------------------------------------
 # Some sanity checks, now
 
+# If this version is a svn snapshot, try to get the revision number
+# If we can't get the revision number, use date
+case "${VERSION}" in
+  *+svn)
+    REVISION=$(LANG=C svn info 2>/dev/null |egrep 'Revision: ' |cut -d ' ' -f 2-)
+    if [ -n "${REVISION}" ]; then
+      URL=$(LANG=C svn info 2>/dev/null |egrep 'URL: ' |cut -d ' ' -f 2-)
+      ROOT=$(LANG=C svn info 2>/dev/null |egrep 'Repository Root: ' |cut -d ' ' -f 3-)
+      VERSION="${VERSION}:${URL#${ROOT}}@${REVISION}"
+    else
+      VERSION="${VERSION}:unknown@$(date +%Y%m%d.%H%M%S)"
+    fi
+    ;;
+esac
+
 # Check bash is present, and at least version 3.0
 [ -x /bin/bash ] || do_error "bash 3.0 or above was not found in /bin/bash"
 bash_version=$(/bin/bash -c 'echo ${BASH_VERSION}')