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thus for some reason if one is connected to a tty and the other a file,
we still get colour in the tty by default.
in terms of options, --color and --no-color override both, no granular
ones added since it's not worth it imo.
this is backwards compatible with custom configs setting `_COLOR`.
it could be argued that setting $_COLOR to "false" for the auto non-tty
cases is redundant, which it is, but it doesn't hurt to do so; it ensures
that if anything (inc. 3rd-party hooks and such) rely on it that it
remains correct; and ensures that if anything in the future mistakenly
uses $_COLOR instead of $_COLOR_OUT|$_COLOR_ERR that at least that will
only be broken for the use case of only one of stdout|sdterr being a tty.
Gbp-Dch: Ignore
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...when stdout+stderr connected to a tty (as opposed for example to being
piped to a log file)
very helpful to have colour such that the red/yellow of errors/warnings
can draw the eye to problems.
Gbp-Dch: Short
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necessary to give control when colour is default enabled
Gbp-Dch: Short
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Gbp-Dch: Ignore
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`DI_PACKAGES` does not need to include `DI_REQ_PACKAGES` so long as
we pass the latter to apt in the one case where it was not already
being given it.
in fact with it including that sub-list meant that in the other
case where it was being given to apt, it actually just resulted in
duplication.
Gbp-Dch: Short
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Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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this was removed as part of b54bdd7fb18d32178094e8c4e1493b6121044c11
but is actually still needed.
Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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the chown command needed running within the chroot, since apt-get is being
run within the chroot and _apt might have a different UID there than on
the host.
Gbp-Dch: Short
Closes: #953957
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No point in doing everything twice
Gbp-Dch: ignore
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when building within a home directory, as /proc, /sys, etc are mounted
and unmounted into the chroot at various points in the build, corresponding
entries appear and disappear within the side panel of nautilus.
this is obviously undesirable.
use of `-o x-gvfs-hide` resolves this for the most part. i still see items
occasionally pop up and having spent some time experimenting, i'm putting
it down to buggy behaviour on the part of nautilus. (aside from those
appearing when debootstrap is running - debootstrap also needs this fix).
Gbp-Dch: Short
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Gbp-Dch: Ignore
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Combine the check+create done in each script. (The original functions
are still callable as before, but a new combined `Aquire_lockfile`
function can be called instead, as now used).
Note, a further simplification could be done in removing the passing of
the lock filename in as a parameter since every use of the functions is
with ".lock". The lock functions already have a fallback to ".build/lock"
though. Checking the history, the fallback used to be for a system wide
lock, which was then replaced with this config-tree specific one. As long
as that is not used implicitly by 3rd-party hooks then surely we are free
to change the fallback to ".lock" and further remove passing in a name as
a param...?
history:
db5d2b0dcdae96e712661605e17bc9875e224f9f
0aa8289a3773fd8a3885090b72622c2f95ab099c
Gbp-Dch: Short
Closes: #952918
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previously this was white+bold. the white aspect was dropped since this
would not be sensible for users with a white background for their terminal.
bold however does not have any effect for me at least so effectively there
is no highlighting at all.
here we reintroduce a colour, one that will work for both black and white
backgrounds of course. purple looks good to me - significantly different
to that used for errors and warnings, and works well with command
highlighting (as enabled separately).
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if a script exits due to a failure and `set -e`, we should ensure that an
error message is printed to be clear to the user that something actually
went wrong.
similarly it would be good to print a suitable message should the user
cancel with ctrl+c for instance.
Gbp-Dch: Short
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theres no point in creation of stagefiles being kept within a
conditional block of work. if the script completes with success
then it should create its stagefile to thus avoid repeating any
work that it might have done should it get re-run without being
forced.
Gbp-Dch: Short
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mismatches in filenames between check and create
Gbp-Dch: Short
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no need to have exit in both conditions
no need to have most of the script within a case branch when all other
cases result in an exit.
Gbp-Dch: Short
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the existing solution simply did not work
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(part of never completed side-by-side multi archi support)
Several scripts make a call to a function called Check_multiarchitectures,
the purpose of which is to adjust the target directory that certain 'live'
and 'install' files are located in. The idea is that a script sets up
'DESTDIR', 'DESTDIR_LIVE' and 'DESTDIR_INSTALL' as appropriate and then
the script appends a suitable arch dependant postfix to the directory
name, depending upon the arch currently being targetted. This would allow
the script to be run multiple times, each for a different architecture.
This is a part of an implementation of allowing multiple architectures to
sit side by side within the same live image, selectable from the
bootloader menus. (As opposed to multiple architectures mixed within the
same userland).
This is evidently the case both from the fact that:
1) The arch specific postfix chosen in that function depends on a var
called LB_CURRENT_ARCHITECTURE, which is never set. In fact going
back through the git history to the introduction of the function in
0d5ff4ca7596790f853cf637e0fe225cad810a76, the var (even considering
var name changes) has never been set by anything. So effectively the
call to the function has been entirely redundant all this time.
2) The major build stages do not perform multiple executions of substages
per arch. Thus from this perspective it seems that the support was
never fully implemented.
3) If any doubt remained, there is an old branch called 'tmp-multiarch'
which has a couple of commits making progress with completing support,
such as implementing the above missing pieces.
The above mentioned branch is 10 years old and can be considered abandoned.
It is not clear whether the original author ever intended to complete and
merge this; nor is it at all clear at what stage of completion it was at.
At any rate, imo it is not at all particularly useful to have extra code
and complexity in order to be able to cram multiple environments side by
side in one image, not when CDs/DVDs and even to some extent USB pen drives
are so cheap. And who really needs more than one environment so
desperately on just one such medium.
If this was not enough to justify removal, then there is also the fact that
the support that was implemented has become completely broken over the
years with scripts diverging in terms of the variable names the function
modifies such that they are incompatible with it.
A quick assessment of the state of this latter aspect:
good:
- grub-legacy uses the correct var names so is fine
- memtest similarly good
- installer_debian-installer looks okay
questionable:
- binary_linux-image uses the correct vars but might not select the
right kernel and initrd files to copy (seems to copy all)
bad:
- grub-pc is making a redundant call, after functionality was moved
to the loopback script
- loopback is using the wrong vars (INITFS instead of DESTDIR +
DESTDIR_INSTALL + DESTDIR_LIVE), plus is doing its own amd64+i686
thing anyway, so the function call would achieve nothing anyway.
- syslinux is also using the wrong var names so would not work with
it and is not even making the necessary function call. Also the
install paths are fixed in the hard coded cfg files anyway so this
would need addressing with placeholders and sed replacement, but
then it is not entirely clear how things should work with respect
to install entries and multi-arch anyway, are we having multiple
copies of the installer, one for each target arch and then multiple
copies of the install menus, perhaps under different submenus?
So, this removes the artefacts of this never completed feature.
Gbp-Dch: Short
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all echo helpers are used as logging functions with output to go to the
terminal. when used in functions that are designed to return a string
though the message printed would get incorrectly captured.
the previous fix done in e3a987d977aaa417afe74349fa4d97dd6afc1c94 was
stupidly flawed; somehow my testing led me to mistakenly believe that
was adequate, but retesting proves that it was not.
here we create a new FD #3 linked to stdout to output the messages on,
which testing shows works as I had actually intended it.
e.g. here:
```
Foo () { if [ "$1" = "a" ]; then printf "foo\n"; else printf "error\n"; fi; }
```
we get:
```
~$ Foo a
foo
~$ Foo b
error
~$ XX="$(Foo a)"
~$ echo "${XX}"
foo
~$ XX="$(Foo b)"
~$ echo "${XX}"
error
```
and as demonstrated, "error" got incorrectly captured by in the variable
whereas here:
```
exec 3>&1
Foo () { if [ "$1" = "a" ]; then printf "foo\n"; else printf "error\n" >&3; fi; }
```
it is different in the last case:
```
~$ XX="$(Foo b)"
error
~$ echo "${XX}"
```
the error successfully makes it to the terminal, and the variable is an
empty string (with a newline automatically printed).
Gbp-Dch: Short
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I asked for such a switch to be added in debootstrap back at the start of
2015 in #775454 as part of a review I undertook of its security. A slightly
modified patch was merged a few months later and made it into version
1.0.69.
A patch was never merged into live-build to make use of it however. Let's
do that now.
The benefit of this, as explained in #775454, is that if we want strong
security (LB_APT_SECURE=true) then should debootstrap not be able to find
the GPG key to verify things with, it will abort with an error instead of
falling back to just https downloads with a warning. Such a warning would
be easy to miss in the log output, and security could potentially be
compromised if this were to happen.
Gbp-Dch: Short
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Clean the build tree before running, and list all the stages as the
CI implementation does not merge them from multiple includes
Gbp-Dch: ignore
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Gbp-Dch: ignore
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Gbp-Dch: ignore
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Gbp-Dch: ignore
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This reverts commit 2d9ab1f7f82f9a98b97d1503c1e3f31c86061c15.
Causes test failure due to bashism.
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Instances of:
if [ $(which <command> ]
have been replaced with:
if command -v <command> >/dev/null
which is considered to be more robust in a range of environments.
scripts/build/chroot_archives: line 259:
if [ "${LB_APT}" = "aptitude" ] && [ ! $(Chroot chroot "which aptitude") ]
has been left untouched because the chroot might require a more complex command
which would need more testing.
manpages/Makefile: line 42:
@if [ ! -x "$$(which po4a 2>/dev/null)" ]; \
has been left untouched because I am not sufficiently familiar with makefiles.
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commit f811656150ff5f78e55b21702688f082330f78bd enabled the grub-efi
bootloader by default for amd64|i386 architectures, but failed to
recognise the this bootloader is not supported for hdd|netboot images.
this meants that if a user tried to build such an image without explicitly
specifying the bootloader, excluding grub-efi, their build would fail
with an error in the binary_grub-efi stage.
this fixes the problem by only enabling grub-efi by default on supported
image builds.
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677415f6d7efc1e5b888570d70af311d2900c69c (2007) in v1.0~a2-1 added a hack
relating to the loop-aes-utils package and losetup. this commit bundled
a bunch of changes, it was not specific to the hack, and so info about the
hack is limited to a brief comment included within the related change in
defaults:
```
# Workaround for loop-aes-utils divertion
# (loop-aes-utils' losetup lacks features).
```
though it is very similar to the removed fdisk hack in that it seems that
one package may replace a binary from another, moving the original to a
new location, and this hack gives the user the opportunity to select the
original instead of the one put in its place, for use in LB.
the comment mentions a package called loop-aes-utils as being the package
that performs such a diversion, and that the need for the hack was that
losetup itself lacked features, presumably encryption support, and it is
clear that it is the losetup binary that is the focus of the diversion.
looking into the history of loop-aes-utils a little, this package was
dropped from debian back in 2012 (#680748), favouring encrytion support of
dm-crypt/cryptsetup.
double checking file contents of packages, only the mount package carries
an /sbin/losetup file, so presumably this means that dm-setup/cryptsetup
do not perform such a diversion of losetup (i.e. their use is exclusively
done directly).
since the possible diversion is simply gone, that completely removes any
point in having the hack of giving users choice between losetup and the
diverted one. so let's remove this obsolete hack...
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this should take place before working on efi related stuff
Gbp-Dch: Short
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8321653cb36511324d576e65cb13b5c9b0c5f438 (from 2007) introduced a hack to
work around bug #445304 in gnu-fdisk for users who may have replaced fdisk
with the classic gnu version. the hack allowed users to select an alternate
fdisk binary to use to work around the buggy binary.
bug #445304 is marked as found in v1.0-1 and fixed in v1.2-1, though may
have been fixe din v1.1. it was marked fixed in 2009.
checking the package archive, gnu-fdisk does not actually exist anymore
in debian, with one exception - it is available for arm64 on sid via
debports, and that version is 1.3 so thus includes the necessary fix
anyway.
it is thus pointless now that we still carry this hack.
Gbp-Dch: Short
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I'd mistook the copyright here to apply to the apt package, but did not
look close enough, it's clearly referring to copyright of the files which
we've just amended to have a "The Debian Live team" notice, which this
should thus surely also have.
Gbp-Dch: Short
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Current versions of the project files are built upon versions published
and licensed by Daniel Baumann, but are modified copies of those files and
thus need to be marked as such per licensing requirements (afaik he did
not pass along ownership / licensing rights to anyone when he left the
project). We should also be careful to not be misrepresenting such
modified copies as being attributed to Daniel.
Adding a new copyright line referring to "The Debian Live team" should
suffice for this.
The authorship block in man pages has also similarly been updated.
Notes:
- tweaked a copy of daniel copyright lines stating 2014 instead of 2015.
both of these cases were in files that i had personally introduced in
some of my past merged commits that moved some code around. i don't know
why they stated 2014.
- binary_onie was introduced in 2018, so that has a 2018 date instead of
2016 unlike the rest.
- 'efi-image' is a 3rd-party (Canonical Ltd) work that we bundle, but it
has been modified by 674794a8f4d61a729d2dbd6d99385d2826138694 and
36a3ba76347ef72df1c316312ed3a26aa4b0c816 so I similarly added a
debian live copyright line.
- 'grub-cpmodules' is similar. it was only changed by the indentation fix
of 36a3ba76347ef72df1c316312ed3a26aa4b0c816 but modification is
modification, and this does help cover any possible future changes that
might be made.
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Prefer downloading the version of the source package that actually
corresponds to the version of the binary. Should apt-update be
run and a package updated, we do not really want to fetch a newer
copy of the source than that of the binary, we want the exact
corresponding version (kinda the whole point of compiling a source
disc that they correspond). If the exact version is no longer
available then it is surely preferable to list it in the missing
list than end up with a newer version.
Gbp-Dch: Short
Closes: #952932
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