From 88030b8a51f14f540ff98eb145673c7d30f41c76 Mon Sep 17 00:00:00 2001
From: William Melody <hi@williammelody.com>
Date: Wed, 22 Apr 2020 11:53:40 -0700
Subject: [PATCH] Return `1` from `show` when entry not found.

GH-9
---
 hosts          |  8 +++++++-
 test/show.bats | 18 ++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/hosts b/hosts
index bb5c4e8..9510f80 100755
--- a/hosts
+++ b/hosts
@@ -1345,7 +1345,7 @@ Description:
 
 Exit status:
   0   Success.
-  1   Invalid parameters.
+  1   Invalid parameters or entry not found.
 HEREDOC
 show() {
   if [[ -n "${1:-}" ]]
@@ -1361,6 +1361,12 @@ show() {
       grep --invert-match "^#" "${HOSTS_PATH}" | grep "${1}" || true
     )"
 
+    if [[ -z "${_disabled_records}" ]] && [[ -z "${_enabled_records}" ]]
+    then
+      printf "No matching entries.\\n"
+      return 1
+    fi
+
     _print_entries "${_enabled_records}"
 
 
diff --git a/test/show.bats b/test/show.bats
index 5809762..8aa4924 100644
--- a/test/show.bats
+++ b/test/show.bats
@@ -19,6 +19,24 @@ load test_helper
   [[ "${lines[1]}" == "  hosts show (<ip> | <hostname> | <search string>)" ]]
 }
 
+# `hosts show <no matching>` ##################################################
+
+@test "\`show <query>\` with no matching records with status 1." {
+  {
+    run "${_HOSTS}" add 0.0.0.0 example.com
+    run "${_HOSTS}" add 0.0.0.0 example.net
+    run "${_HOSTS}" add 127.0.0.2 example.com
+    run "${_HOSTS}" disable example.com
+  }
+
+  run "${_HOSTS}" show bad-query
+  printf "\${status}: %s\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+  [[ ${status} -eq 1 ]]
+
+  [[ "${lines[0]}" =~ No\ matching\ entries ]]
+}
+
 # `hosts show <ip>` #########################################################
 
 @test "\`show <ip>\` exits with status 0 and shows all matches." {