ci: fix static analysis

Author: DannyBen

Runfile

@@ -21,6 +21,7 @@ end
 
 help   "Run shellcheck on all examples"
 action :shellcheck do
+  allowed_skips = 1
   Example.executables.each do |example|
     if File.exist? example
       success = system "shellcheck #{example}"
@@ -29,15 +30,26 @@ action :shellcheck do
       exit 1 unless success
     else
       say "- skip       !txtcyn!#{example}"
+      allowed_skips -= 1
+      if allowed_skips < 0
+        say "- aborted: too many skips"
+        exit 1
+      end
     end
   end
 end
 
 help   "Run shfmt checks on all examples"
 action :shfmt do
+  allowed_skips = 2
   Example.executables.each do |example|
     if example == 'examples/heredoc/cli' || !File.exist?(example)
       say "- skip  !txtcyn!#{example}"
+      allowed_skips -= 1
+      if allowed_skips < 0
+        say "- aborted: too many skips"
+        exit 1
+      end
       next
     end