Accepted bilibop 0.5.0 (source amd64) into unstable
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Hash: SHA512
Format: 1.8
Date: Tue, 14 Jul 2015 17:11:52 +0000
Source: bilibop
Binary: bilibop bilibop-common bilibop-lockfs bilibop-rules bilibop-udev
Architecture: source amd64
Version: 0.5.0
Distribution: unstable
Urgency: medium
Maintainer: Yann Amar <quidame@poivron.org>
Changed-By: Yann Amar <quidame@poivron.org>
Description:
bilibop - run Debian GNU/Linux from external media - metapackage
bilibop-common - shell functions for bilibop scripts
bilibop-lockfs - lock filesystems and write changes into RAM
bilibop-rules - device management rules for OS running from external media
bilibop-udev - minimal udev rule for Debian GNU/Linux running from external medi
Closes: 772187 778497
Changes:
bilibop (0.5.0) unstable; urgency=medium
.
* bilibop-common: add support for overlayfs (in mainline kernel since 3.18).
Closes: #778497; new funcions in common.sh:
- canonpath(): clean field separators in an arbitrary filepath
- is_overlay_mountpoint(): grep /proc/mounts for 'overlay' filesystem
- overlay_mountpoints(): doing the same as aufs_mountpoints()
- overlay_lowerdir(): output the cleaned value of lowerdir= mount option
- overlay_upperdir(): output the cleaned value of upperdir= mount option
- overlay_workdir()
- underlying_device_from_overlayfs(): find the underlying device from the
'lowerdir' value; fallback to live-boot (5.0~a1-1) usecases.
Also modify underlying_device_from_file() to call the previous one.
* bilibop-common: add support for btrfs. A file on a btrfs mountpoint is not
directly mapped to the underlying block device: 'stat -c %D FILE' shows
that the file seems to be on some kind of ramfs (major=0). So add two
functions in common.sh:
- is_btrfs_mountpoint()
- underlying_device_from_btrfs()
Also modify underlying_device_from_file() to call the previous one.
* bilibop-common: modify other functions in common.sh:
- underlying_device_from_aufs(): do not fail if the underlying device
contains btrfs; now use aufs_readonly_branch() instead of aufs_dirs(),
and call underlying_device_from_file() if the major number of the
underlying device is 0 (be aware of a possible endless loop)
- aufs_dirs(), aufs_readonly_branch() and aufs_writable_branch(): replace
occurencies of glob pattern 'br*' by 'br?' to skip brid[01] files
- underlying_device_from_file(), do not return 1 too early; let the last
test say if the funcion failed or not
- underlying_device_from_loop(): for the case the backing file itself is
on btrfs, aufs or overlay, i.e. call underlying_device_from_file() from
there too
- find_mountpoint() and device_id_of_file(): to work around overlayfs
specific design (files and dirs are not treated the same way)
- underlying_device(): remove unneeded local variable assignment
* bilibop-common: update copyright, README section and physical_hard_disk()
dependency tree in common.sh
* bilibop-common: update README.Debian, bilibop(7) and bilibop.conf(5).
.
* bilibop-lockfs: add support for overlayfs.
- Modify local-bottom/bilibop-lockfs initramfs script: define $METHOD as
the aufs or overlay module that is supported by the kernel, and use
its value to setup specific mount options and mount points. Allow one to
override the default directory name by setting BILIBOP_LOCKFS_PATH_PREFIX
- Modify initramfs hook (+ manual_add_module overlay)
Improve the part of the script related to mount commands (mount -t tmpfs,
mount -o bind, mount -o move, ...). Make sure the paths of the branches
used to build the union fs will be consistent at runtime (for both
overlay, and aufs with brs=0), as the only one places to get those paths
(e.g. mount options field in /proc/mounts) is out of sync.
- Rewrite lockfs_mount_helper script, according to the initramfs script;
prepare directory trees and add/modify comments. Change mount order; now
the tmpfs mountpoint is set BEFORE the readonly branch, the last one
being, by design (bilibop), a subdirectory of the first one. Introduce
a new tunable variable BILIBOP_LOCKFS_PATH_SCHEME to choose the
directory structure of the lower and upper branches.
- Also modify lockfs-notify accordingly to support overlay filesystem
* bilibop-lockfs: modify blacklist_bilibop_devices() in lockfs.sh. Manually
add lvm-pv-uuid-* symlink to the list, as the udev rules creating it are
not included into the initramdisk.
* bilibop-lockfs: update README.Debian and lockfs_mount_helper(8)
.
* bilibop-rules: modify initramfs script. The busybox's readlink
implementation does not work as expected (with -f flag) and does not
resolve the target of a broken symlink; so replace the readlink call by a
'ls -l | sed' command.
* bilibop-rules: modify lsbilibop. Remove '\n' in echo, as it is not
supported by all shells, and call echo again to print an empty line
(closes: #772187).
* bilibop-rules: update lsbilibop(8)
.
* bilibop-udev: update README.Debian
.
* debian/control: bump Standards-Version to 3.9.6 (no changes needed).
Update extended descriptions.
* debian: modify bilibop-{lockfs,rules}.post{inst,rm}: use 'which' to test
availability of update-initramfs command instead of testing its full path,
to avoid a lintian warning.
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