From 08a6856b3c8f3146343647f996fca9c48fb4e960 Mon Sep 17 00:00:00 2001
From: Daniil Baturin <daniil@baturin.org>
Date: Fri, 4 Mar 2016 15:05:03 -0500
Subject: Factor out dependency checking functions to its own class (ref T9).

---
 scripts/check-build-env | 49 +++++++++++++++++++++++--------------------------
 1 file changed, 23 insertions(+), 26 deletions(-)

(limited to 'scripts/check-build-env')

diff --git a/scripts/check-build-env b/scripts/check-build-env
index 6f08847f..6dcf885b 100755
--- a/scripts/check-build-env
+++ b/scripts/check-build-env
@@ -23,34 +23,31 @@
 import os
 import sys
 
-required_packages = [
-    'sudo',
-    'make',
-    'live-build',
-    'pbuilder',
-    'devscripts',
-    'python-pystache'
-]
-
-
-def is_installed(name):
-    result = os.system("dpkg-query -W --showformat='${{Status}}\n' {name} 2>&1 | grep 'install ok installed' >/dev/null".format(name=name))
-    return True if result == 0 else False
-
-
-missing_packages = []
+import util
+
+deps = {
+    'packages': [
+       'sudo',
+       'make',
+       'live-build',
+       'pbuilder',
+       'devscripts',
+       'python-pystache'
+    ],
+   'binaries': []
+}
 
 print("Checking if packages required for VyOS image build are installed")
 
-for p in required_packages:
-    if not is_installed(p):
-        missing_packages.append(p)
+checker = util.DependencyChecker(deps)
 
-if missing_packages:
-    print("Your system does not have some of the required packages installed.")
-    print("Please install the following packages:")
-    print(" ".join(missing_packages))
-    sys.exit(1)
-else:
-    print("All required packages are installed")
+missing = checker.get_missing_dependencies()
+if not missing:
+    print("All dependencies are installed")
     sys.exit(0)
+else:
+    checker.print_missing_deps()
+    sys.exit(1)
+
+sys.exit(0)
+
-- 
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