Add update command

bin/is

@@ -180,6 +180,26 @@ def c_list(parser, args):
     arrow("Image %s v%s" % (pkg.name, pkg.version))
     pkg.show(verbose=args.detail)
 
+def c_update(parser, args):
+    '''
+    Build and update image on repo
+    '''
+    c_build(parser, args)
+    simg = SourceImage(args.path)
+
+    repoman = load_repositories(args)
+    if len(repoman) == 0:
+        raise Exception("No repository selected")
+    elif len(repoman) > 1:
+        raise Exception("Please select only one repository")
+    repo = repoman[0]
+    image = simg.description["name"]
+    version = simg.description["version"]
+    if repo.has(image, version):
+        repo.delete(image, version)
+    pkg = PackageImage(simg.image_name)
+    repo.add(pkg, delete=not args.preserve)
+
 def c_cat(parser, args):
     '''
     Display image's file(s)
@@ -297,6 +317,17 @@ p_install.add_argument("-v", "--image-version", type=int, default=None,
 p_install.add_argument("image", help="image to install (path or name)")
 p_install.set_defaults(func=c_install, subparser=p_install)
 
+# update command parser
+p_update = subparsers.add_parser("update", help=c_update.__doc__.lower())
+p_update.add_argument('-f', "--force", action="store_true", default=False,
+                     help="overwrite existing image")
+p_update.add_argument('-c', "--no-check", action="store_true", default=False,
+                     help="do not check compilation before adding scripts")
+p_update.add_argument('-p', "--preserve", action="store_true", default=False,
+                   help="don't remove image after adding to database")
+p_update.add_argument("path", nargs="?", default=".")
+p_update.set_defaults(func=c_update)
+
 # cat command parser
 p_cat = subparsers.add_parser("cat", help=c_cat.__doc__.lower())
 p_cat.add_argument("-v", "--image-version", type=int, default=None,