From 731d24d96aee5d8df962e19a788acb729ad818f6 Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Wed, 13 May 2026 10:06:00 +0200
Subject: [PATCH] add reproducible build parameters

---
 readme.md          | 3 ++-
 src/CMakeLists.txt | 9 +++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 057faa7..9722160 100644
--- a/readme.md
+++ b/readme.md
@@ -9,7 +9,8 @@ You can build with following commands:
 
 ```bash
 mkdir build && cd build
-cmake -DCMAKE_BUILD_TYPE=Release ..
+umask 0022
+SOURCE_DATE_EPOCH=$(git log --max-count=1 --pretty="%ct") cmake -DCMAKE_BUILD_TYPE=Release ..
 make
 ```
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d8cbad2..6e7a1ab 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -8,6 +8,15 @@ add_executable(${PROJECT_NAME}
 	command_validate.c
 	rename.c)
 
+set(CMAKE_INSTALL_DEFAULT_DIRECTORY_PERMISSIONS
+	OWNER_READ
+	OWNER_WRITE
+	OWNER_EXECUTE
+	GROUP_READ
+	GROUP_EXECUTE
+	WORLD_READ
+	WORLD_EXECUTE)
+
 install(TARGETS ${PROJECT_NAME}
 	DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
 
-- 
2.47.3