commit: 163f81a7926dc10244bb05cb706ee489e5faa994
Author: Anthony G. Basile <blueness <AT> gentoo <DOT> org>
AuthorDate: Tue Jul 14 22:41:31 2015 +0000
Commit: Anthony G. Basile <blueness <AT> gentoo <DOT> org>
CommitDate: Tue Jul 14 22:41:31 2015 +0000
URL: https://gitweb.gentoo.org/proj/grss.git/commit/?id=163f81a7
grs/PivotChroot.py: add documentation.
grs/PivotChroot.py | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/grs/PivotChroot.py b/grs/PivotChroot.py
index cbfb29f..f73c3c8 100644
--- a/grs/PivotChroot.py
+++ b/grs/PivotChroot.py
@@ -11,33 +11,28 @@ from grs.Rotator import Rotator
class PivotChroot(Rotator):
- """ doc here
- more doc
- """
+ """ Move an inner chroot out to the new system portage configroot. """
def __init__(self, tmpdir = CONST.TMPDIR, portage_configroot =
CONST.PORTAGE_CONFIGROOT, \
logfile = CONST.LOGFILE):
- """ doc here
- more doc
- """
self.tmpdir = tmpdir
self.portage_configroot = portage_configroot
self.logfile = logfile
def pivot(self, subchroot, md):
- """ doc here
- more doc
- """
+ # If any directories are mounted, unmount them before pivoting.
some_mounted, all_mounted = md.are_mounted()
if some_mounted:
md.umount_all()
- # Move portage_configroot out of the way to system.0,
- # then pivot out the inner chroot to system.
+ # Move the system's portage configroot out of the way to system.0,
+ # then pivot the inner chroot to system.
self.full_rotate(self.portage_configroot)
inner_chroot = os.path.join('%s.0' % self.portage_configroot,
subchroot)
shutil.move(inner_chroot, os.path.join(self.tmpdir, 'system'))
+ # Be conservative: only if all the directories were mounted on the old
+ # system portage configroot to we remount on the newly pivoted root.
if all_mounted:
md.mount_all()
