Add --server and --[no]verify options to iocage update (#37)

They work just like they do for iocage fetch.

iocage.8

@@ -1,4 +1,4 @@
-.Dd September 12, 2020
+.Dd February 25, 2021
 .Dt IOCAGE 8
 .Os
 .Sh NAME
@@ -212,6 +212,9 @@
 .\" == UPDATE ==
 .Nm
 .Cm update
+.Op Fl s | -server
+.Op Fl NV | -noverify
+.Op Fl V | -verify
 .Ar UUID | NAME
 .\" == UPGRADE ==
 .Nm
@@ -1018,6 +1021,16 @@ Runs
 .Cm freebsd-update
 to update the specified jail to the latest patch level.
 .Pp
+Options:
+.Bl -tag -width "[-s | --server TEXT]"
+.It Op Fl NV | -noverify
+Disable verifying the SSL cert for HTTP fetching.
+.It Op Fl s | -server Ar TEXT
+Define the server from which to fetch the RELEASE.
+.It Op Fl V | -verify
+Enable verifying the SSL cert for HTTP fetching.
+.El
+.Pp
 Example:
 .Pp
 .Dl # iocage update examplejail1

iocage_cli/update.py

@@ -38,8 +38,16 @@
     help='Decide whether or not to update the pkg repositories and '
          'all installed packages in jail( this has no effect for plugins ).'
 )
+@click.option(
+    "--server", "-s", default="download.freebsd.org",
+    help="Server to fetch from."
+)
+@click.option( 
+    "--verify/--noverify", "-V/-NV", default=True,
+    help="Enable or disable verifying SSL cert for HTTP fetching."
+)
 @click.argument('jail', required=True)
-def cli(jail, pkgs):
+def cli(jail, **kwargs):
     """Update the supplied jail to the latest patchset"""
     skip_jails = bool(jail != 'ALL')
-    ioc.IOCage(jail=jail, skip_jails=skip_jails).update(pkgs=pkgs)
+    ioc.IOCage(jail=jail, skip_jails=skip_jails).update(**kwargs)

iocage_lib/iocage.py

@@ -1891,7 +1891,7 @@ def update_all(self, pkgs=False):
             self.jail = jail
             self.update(pkgs)
 
-    def update(self, pkgs=False):
+    def update(self, pkgs=False, server=None, verify=True):
         """Updates a jail to the latest patchset."""
         if self._all:
             self.update_all(pkgs)
@@ -2014,6 +2014,8 @@ def update(self, pkgs=False):
             try:
                 ioc_fetch.IOCFetch(
                     release,
+                    server,
+                    verify=verify,
                     callback=self.callback
                 ).fetch_update(*params)
             finally: