From 7d0c6300f6d63eb018b842d122b98fb7c4efbaef Mon Sep 17 00:00:00 2001
From: patrick96 <p.ziegler96@gmail.com>
Date: Thu, 4 Apr 2019 23:25:09 +0200
Subject: [PATCH] cmake: put version string into version.txt

---
 CMakeLists.txt | 11 ++++-------
 version.txt    |  4 ++++
 2 files changed, 8 insertions(+), 7 deletions(-)
 create mode 100644 version.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 82922100..3ccb3993 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,12 +22,9 @@ endif()
 
 project(polybar C CXX)
 
-# Polybar version information
-# Update this on every release
-# This is used to create the version string if a git repo is not available
-set(VERSION_MAJOR "3")
-set(VERSION_MINOR "3")
-set(VERSION_PATCH "0")
+# Extract version information from version.txt. The first line that looks like
+# a version string is used, so the file supports comments
+file(STRINGS version.txt version_txt REGEX "^[0-9]+\\.[0-9]+\\.[0-9]+.*$" LIMIT_COUNT 1)
 
 # If we are in a git repo we can get the version information from git describe
 execute_process(COMMAND git describe --tags --dirty=-dev
@@ -40,7 +37,7 @@ if(git_result EQUAL "0")
   set(APP_VERSION "${git_describe}")
 else()
   message(STATUS "Could not detect version with git, falling back to built-in version information.")
-  set(APP_VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
+  set(APP_VERSION "${version_txt}")
 endif()
 
 STRING(REGEX REPLACE "[^a-zA-Z0-9_]" "_" APP_VERSION_NAMESPACE "v${APP_VERSION}")
diff --git a/version.txt b/version.txt
new file mode 100644
index 00000000..6c0f2ab7
--- /dev/null
+++ b/version.txt
@@ -0,0 +1,4 @@
+# Polybar version information
+# Update this on every release
+# This is used to create the version string if a git repo is not available
+3.3.0