From f6609beb2c5c2394778e1069193af69f9c2b2d77 Mon Sep 17 00:00:00 2001
From: David Adrian <davadria@umich.edu>
Date: Sat, 12 Oct 2013 13:44:33 -0400
Subject: [PATCH] Don't overwrite conf files on install

---
 .gitignore                 |  1 +
 CMakeLists.txt             | 10 ++++------
 zmap_conf_install.cmake.in |  6 ++++++
 3 files changed, 11 insertions(+), 6 deletions(-)
 create mode 100644 zmap_conf_install.cmake.in

diff --git a/.gitignore b/.gitignore
index 2c2e6ad..d1656df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ lexer.c
 lexer.h
 parser.c
 parser.h
+install_manifest.txt
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 745f3d5..bea62ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,9 +64,7 @@ set(CMAKE_C_FLAGS_RELEASE "-O2")
 add_subdirectory(src)
 
 # Install conf files
-FILE(GLOB CONF_FILES "conf/*")
-install(
-	FILES
-	${CONF_FILES}
-	DESTINATION "/etc/zmap/"
-	)
+FILE(GLOB CONF_FILES RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/conf" "conf/*")
+message(STATUS "${CONF_FILES}")
+configure_file(zmap_conf_install.cmake.in zmap_conf_install.cmake)
+install(SCRIPT zmap_conf_install.cmake)
diff --git a/zmap_conf_install.cmake.in b/zmap_conf_install.cmake.in
new file mode 100644
index 0000000..358a97d
--- /dev/null
+++ b/zmap_conf_install.cmake.in
@@ -0,0 +1,6 @@
+foreach(conf_file ${CONF_FILES})
+	message(STATUS "${conf_file}")
+	if(NOT EXISTS "/etc/zmap/${conf_file}")
+		file(INSTALL "conf/${conf_file}" DESTINATION "/etc/zmap")
+	endif()
+endforeach()