From cc1b7527fe1105f320fc585e90b9c6fe8f5e9894 Mon Sep 17 00:00:00 2001
From: Brooke Kuhlmann <brooke@alchemists.io>
Date: Sun, 29 Jul 2018 14:23:45 -0600
Subject: [PATCH] Added Homebrew cask application verifier.

Verifies installation of Homebrew casks by ensuring installed
applications cross check against defined list.
---
 lib/options.sh   |  1 +
 lib/verifiers.sh | 37 +++++++++++++++++++++++++++++++++----
 2 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/lib/options.sh b/lib/options.sh
index a0b1df7..8f6c544 100644
--- a/lib/options.sh
+++ b/lib/options.sh
@@ -44,6 +44,7 @@ process_option() {
       bin/restore_backup;;
     'c')
       verify_homebrew_formulas
+      verify_homebrew_casks
       verify_applications
       verify_extensions;;
     'C')
diff --git a/lib/verifiers.sh b/lib/verifiers.sh
index a7f1f18..52d8e49 100644
--- a/lib/verifiers.sh
+++ b/lib/verifiers.sh
@@ -24,18 +24,47 @@ verify_homebrew_formulas() {
         application="mercurial"
       fi
 
-      verify_homebrew "$application" "${applications[*]}"
+      verify_homebrew_application "$application" "${applications[*]}"
     fi
   done < "$MAC_OS_CONFIG_PATH/bin/install_homebrew_formulas"
 
-  printf "Homebrew check complete.\n"
+  printf "Homebrew formula check complete.\n"
 }
 export -f verify_homebrew_formulas
 
+# Checks for missing Homebrew casks.
+verify_homebrew_casks() {
+  printf "\nChecking Homebrew casks...\n"
+
+  local applications="$(brew cask list)"
+
+  while read line; do
+    # Skip blank or comment lines.
+    if [[ "$line" == "brew cask install"* ]]; then
+      local application=$(printf "$line" | awk '{print $4}')
+
+      # Skip: Only necessary for the purpose of licensing system preference.
+      if [[ "$application" == "witch" ]]; then
+        continue
+      fi
+
+      # Skip: Bug with Homebrew Cask as these apps never show up as installed.
+      if [[ "$application" == "skitch" || "$application" == "openemu" ]]; then
+        continue
+      fi
+
+      verify_homebrew_application "$application" "${applications[*]}"
+    fi
+  done < "$MAC_OS_CONFIG_PATH/bin/install_homebrew_casks"
+
+  printf "Homebrew cask check complete.\n"
+}
+export -f verify_homebrew_casks
+
 # Verifies Homebrew software exists.
 # Parameters:
 # $1 = The file name.
-verify_homebrew() {
+verify_homebrew_application() {
   local application="$1"
   local applications="$2"
 
@@ -43,7 +72,7 @@ verify_homebrew() {
     printf " - Missing: $application\n"
   fi
 }
-export -f verify_homebrew
+export -f verify_homebrew_application
 
 # Checks for missing applications suffixed by "APP_NAME" as defined in settings.sh.
 verify_applications() {