Merge 5 to 6

Signed-off-by: Nate Koenig <nate@openrobotics.org>

Author: Nate Koenig

Changelog.md

@@ -94,6 +94,16 @@
 
 ### Ignition Msgs 5.X.X (20XX-XX-XX)
 
+### Ignition Msgs 5.8.0 (2021-08-06)
+
+1. Adds PerformanceSensorMetrics proto message.
+    * [Pull request #172](https://github.com/ignitionrobotics/ign-msgs/pull/172)
+
+1. Detect ign instead of using cmake module to check for ignition-tools
+    * [Pull request #166](https://github.com/ignitionrobotics/ign-msgs/pull/166)
+
+1. Remove tools/code_check and update codecov
+    * [Pull request #164](https://github.com/ignitionrobotics/ign-msgs/pull/164)
 
 ### Ignition Msgs 5.7.0 (2021-03-17)
 

src/cmd/cmdmsgs.rb.in

@@ -38,9 +38,9 @@ COMMANDS = {  'msg' =>
                   "Print information about ignition messages.\n\n" +
                   "  ign msg [options]\n\n" +
                   "Options:\n\n" +
-                  "  -i [ --info ] arg     " +
+                  "  -i [ --info ] arg          " +
                   "Get info about the specified message type.\n" +
-                  "  -l [ --list ]         List all topics.\n" +
+                  "  -l [ --list ]              List all message types.\n" +
                   COMMON_OPTIONS
 }
 
@@ -60,7 +60,7 @@ class Cmd
     opt_parser = OptionParser.new do |opts|
       opts.banner = usage
 
-      opts.on('-h', '--help", "Print this help message') do
+      opts.on('-h', '--help', 'Print this help message') do
         puts usage
         exit(0)
       end