From eca084e4079c77c061045df9c21b219175b05228 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <vondruch@redhat.com>
Date: Mon, 6 Jan 2020 13:56:04 +0100
Subject: [PATCH] Initialize ABRT hook.

The ABRT hook used to be initialized by preludes via patches [[1], [2]].
Unfortunately, due to [[3]] and especially since [[4]], this would
require boostrapping [[5]].

To keep the things simple for now, load the ABRT hook via C.

[1]: https://bugs.ruby-lang.org/issues/8566
[2]: https://bugs.ruby-lang.org/issues/15306
[3]: https://bugs.ruby-lang.org/issues/16254
[4]: https://github.com/ruby/ruby/pull/2735
[5]: https://lists.fedoraproject.org/archives/list/ruby-sig@lists.fedoraproject.org/message/LH6L6YJOYQT4Y5ZNOO4SLIPTUWZ5V45Q/
---
 abrt.c                                | 12 ++++++++++++
 common.mk                             |  3 ++-
 ruby.c                                |  4 ++++
 spec/ruby/core/kernel/require_spec.rb |  2 ++
 4 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 abrt.c

diff --git a/abrt.c b/abrt.c
new file mode 100644
index 0000000000..74b0bd5c0f
--- /dev/null
+++ b/abrt.c
@@ -0,0 +1,12 @@
+#include "internal.h"
+
+void
+Init_abrt(void)
+{
+  rb_eval_string(
+    "  begin\n"
+    "    require 'abrt'\n"
+    "  rescue LoadError\n"
+    "  end\n"
+  );
+}
diff --git a/common.mk b/common.mk
index b2e5b2b6d0..f39f81da5c 100644
--- a/common.mk
+++ b/common.mk
@@ -111,7 +111,8 @@ PRISM_FILES = prism/api_node.$(OBJEXT) \
 		prism/prism.$(OBJEXT) \
 		prism_init.$(OBJEXT)
 
-COMMONOBJS    = array.$(OBJEXT) \
+COMMONOBJS    = abrt.$(OBJEXT) \
+                array.$(OBJEXT) \
 		ast.$(OBJEXT) \
 		bignum.$(OBJEXT) \
 		class.$(OBJEXT) \
diff --git a/ruby.c b/ruby.c
index 60c57d6259..1eec16f2c8 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1724,10 +1724,14 @@ proc_options(long argc, char **argv, ruby_cmdline_options_t *opt, int envopt)
 
 void Init_builtin_features(void);
 
+/* abrt.c */
+void Init_abrt(void);
+
 static void
 ruby_init_prelude(void)
 {
     Init_builtin_features();
+    Init_abrt();
     rb_const_remove(rb_cObject, rb_intern_const("TMP_RUBY_PREFIX"));
 }
 
diff --git a/spec/ruby/core/kernel/require_spec.rb b/spec/ruby/core/kernel/require_spec.rb
index 60c57d6259..1eec16f2c8 100644
--- a/spec/ruby/core/kernel/require_spec.rb
+++ b/spec/ruby/core/kernel/require_spec.rb
@@ -25,6 +25,8 @@
     out = ruby_exe("puts $LOADED_FEATURES", options: '--disable-gems --disable-did-you-mean')
     features = out.lines.map { |line| File.basename(line.chomp, '.*') }
 
+    # Ignore ABRT
+    features -= %w[abrt]
     # Ignore CRuby internals
     features -= %w[encdb transdb windows_1252]
     features.reject! { |feature| feature.end_with?('-fake') }