From 362cf1554fc573d16200ac0fd0890b56776395bf Mon Sep 17 00:00:00 2001
From: James Foster <git@jgfoster.net>
Date: Fri, 27 Aug 2021 14:32:16 -0700
Subject: [PATCH 1/4] * Report output from compile. * Allow test for minimum
 free space.

---
 CHANGELOG.md                      |  2 ++
 exe/arduino_ci.rb                 | 14 ++++++++++++--
 lib/arduino_ci/arduino_backend.rb |  1 +
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f29be1a6..d97279dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 ### Added
+- Show output from successful compile
+- `--min-free-space=N` command-line argument to fail if free space is below requred value
 
 ### Changed
 - Change 266 files from CRLF to LF.
diff --git a/exe/arduino_ci.rb b/exe/arduino_ci.rb
index 01234e7c..932f754d 100755
--- a/exe/arduino_ci.rb
+++ b/exe/arduino_ci.rb
@@ -478,8 +478,18 @@ def perform_example_compilation_tests(cpp_library, config)
       board = ovr_config.platform_info[p][:board]
       attempt("Compiling #{example_name} for #{board}") do
         ret = @backend.compile_sketch(example_path, board)
-        unless ret
-          puts
+        puts
+        if ret
+          output = @backend.last_msg
+          puts output
+          i = output.index("leaving")
+          free_space = output[i + 8..-1].to_i()
+          min_free_space = @cli_options[:min_free_space]
+          if free_space < min_free_space
+            puts "Free space of #{free_space} is less than minimum of #{min_free_space}"
+            ret = false
+          end
+        else
           puts "Last command: #{@backend.last_msg}"
           puts @backend.last_err
         end
diff --git a/lib/arduino_ci/arduino_backend.rb b/lib/arduino_ci/arduino_backend.rb
index 4e04f5b3..e67710bf 100644
--- a/lib/arduino_ci/arduino_backend.rb
+++ b/lib/arduino_ci/arduino_backend.rb
@@ -164,6 +164,7 @@ def compile_sketch(path, boardname)
         return false
       end
       ret = run_and_capture("compile", "--fqbn", boardname, "--warnings", "all", "--dry-run", path.to_s)
+      @last_msg = ret[:out]
       ret[:success]
     end
 

From c23fbd0d363a41ea7b187612ef8912b55b3e8f0b Mon Sep 17 00:00:00 2001
From: James Foster <git@jgfoster.net>
Date: Fri, 27 Aug 2021 14:41:18 -0700
Subject: [PATCH 2/4] Add in missed code.

---
 exe/arduino_ci.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/exe/arduino_ci.rb b/exe/arduino_ci.rb
index 932f754d..ac159f06 100755
--- a/exe/arduino_ci.rb
+++ b/exe/arduino_ci.rb
@@ -24,6 +24,7 @@ def self.parse(options)
       ci_config: {
         "unittest" => unit_config
       },
+      min_free_space: 0,
     }
 
     opt_parser = OptionParser.new do |opts|
@@ -49,6 +50,10 @@ def self.parse(options)
         unit_config["testfiles"]["reject"] << p
       end
 
+      opts.on("--min-free-space=VALUE", "Minimum free SRAM memory for stack/heap") do |p|
+        output_options[:min_free_space] = p.to_i()
+      end
+
       opts.on("-h", "--help", "Prints this help") do
         puts opts
         puts

From 8d58657ccff259b48a40e9ed634a373704ad1cb7 Mon Sep 17 00:00:00 2001
From: James Foster <git@jgfoster.net>
Date: Fri, 27 Aug 2021 14:44:59 -0700
Subject: [PATCH 3/4] Do not use parenthesis for method calls with no
 arguments.

---
 exe/arduino_ci.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exe/arduino_ci.rb b/exe/arduino_ci.rb
index ac159f06..ba043274 100755
--- a/exe/arduino_ci.rb
+++ b/exe/arduino_ci.rb
@@ -51,7 +51,7 @@ def self.parse(options)
       end
 
       opts.on("--min-free-space=VALUE", "Minimum free SRAM memory for stack/heap") do |p|
-        output_options[:min_free_space] = p.to_i()
+        output_options[:min_free_space] = p.to_i
       end
 
       opts.on("-h", "--help", "Prints this help") do

From c29936431debe8174ca6346d79e3da4049deff0d Mon Sep 17 00:00:00 2001
From: James Foster <git@jgfoster.net>
Date: Fri, 27 Aug 2021 14:50:46 -0700
Subject: [PATCH 4/4] Another parenthesis with no arguments!

---
 exe/arduino_ci.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exe/arduino_ci.rb b/exe/arduino_ci.rb
index ba043274..91b1f0ac 100755
--- a/exe/arduino_ci.rb
+++ b/exe/arduino_ci.rb
@@ -488,7 +488,7 @@ def perform_example_compilation_tests(cpp_library, config)
           output = @backend.last_msg
           puts output
           i = output.index("leaving")
-          free_space = output[i + 8..-1].to_i()
+          free_space = output[i + 8..-1].to_i
           min_free_space = @cli_options[:min_free_space]
           if free_space < min_free_space
             puts "Free space of #{free_space} is less than minimum of #{min_free_space}"