From 8f6f8a265cf496f932ce75d335cc22d83cac12ce Mon Sep 17 00:00:00 2001
From: Sebastian Schulze <github.com@bascht.com>
Date: Wed, 26 Feb 2020 11:09:37 +0100
Subject: [PATCH] [git] Fix prepare-commit-message hook to not mess with
 rebases

---
 dot_config/git/hooks/executable_prepare-commit-msg | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)
 mode change 100755 => 100644 dot_config/git/hooks/executable_prepare-commit-msg

diff --git a/dot_config/git/hooks/executable_prepare-commit-msg b/dot_config/git/hooks/executable_prepare-commit-msg
old mode 100755
new mode 100644
index 7896b21..6bb1b99
--- a/dot_config/git/hooks/executable_prepare-commit-msg
+++ b/dot_config/git/hooks/executable_prepare-commit-msg
@@ -3,14 +3,22 @@
 abort "No tempfile given" if ARGV.empty?
 
 commit_file = ARGV[0]
-
 commit_msg = File.read(commit_file)
-abort "No commit given" if commit_msg.nil?
+
+if commit_msg.nil?
+  $stderr.puts "Nothing given, aborting"
+  exit 0
+end
+
+unless commit_msg.lines.first.strip.empty?
+  $stderr.puts "Commit message not empty, aborting"
+  exit 0
+end
 
 branch_match = commit_msg.match(%r{# On branch (?<ticket>[A-Z]{1,10}-\d+)})
 
 if branch_match.nil? or branch_match["ticket"].nil?
-  puts "Could not extract a ticket from the commit message"
+  $stderr.puts "Could not extract a ticket from the commit message"
   exit
 end