From 5ff873e0582dc40c72911cff9f86d1cbb030256b Mon Sep 17 00:00:00 2001
From: Nils Winkler <nils@nilswinkler.com>
Date: Fri, 15 Sep 2017 08:10:16 +0200
Subject: [PATCH] Fixed "bash-it help aliases" cases, more to come...

---
 lib/helpers.bash      |  9 ++++++++-
 test/lib/helpers.bats | 11 +++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/lib/helpers.bash b/lib/helpers.bash
index 16b31946..0c292621 100644
--- a/lib/helpers.bash
+++ b/lib/helpers.bash
@@ -454,11 +454,18 @@ _help-aliases()
         cat "${BASH_IT}/aliases/$alias_path" | metafor alias | sed "s/$/'/"
     else
         typeset f
+        shopt -s nullglob
+
         for f in "${BASH_IT}/aliases/enabled/"*
         do
             _help-list-aliases $f
         done
-        _help-list-aliases "${BASH_IT}/aliases/custom.aliases.bash"
+
+        shopt -u nullglob
+
+        if [ -e "${BASH_IT}/aliases/custom.aliases.bash" ]; then
+          _help-list-aliases "${BASH_IT}/aliases/custom.aliases.bash"
+        fi
     fi
 }
 
diff --git a/test/lib/helpers.bats b/test/lib/helpers.bats
index bf1865fa..9a98f8df 100644
--- a/test/lib/helpers.bats
+++ b/test/lib/helpers.bats
@@ -30,6 +30,17 @@ function local_setup {
 # TODO Create global __get_base_name function
 # TODO Create global __get_enabled_name function
 
+@test "helpers: bash-it help aliases ag" {
+  run bash-it help alias "ag"
+  assert_line "0" "ag='ag --smart-case --pager=\"less -MIRFX'"
+}
+
+@test "helpers: bash-it help aliases without any aliases enabled" {
+  run bash-it help alias
+  echo "${lines[@]}"
+  assert_line "0" ""
+}
+
 @test "helpers: enable the todo.txt-cli aliases through the bash-it function" {
   run bash-it enable alias "todo.txt-cli"
   assert_line "0" 'todo.txt-cli enabled with priority 150.'