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/bin/kernel-install: line 143: return: can only `return' from a function or sourced script
https://bugzilla.redhat.com/show_bug.cgi?id=1391829
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Replaces #4103.
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Further discussion showed that this better gets addressed at the packaging
level.
This reverts commit 34210af7c63640fca1fd4a09fc23b01a8cd70bf3.
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Will be used by rpm-ostree (and likely lorax) to suppress
RPM->kernel->%posttrans->dracut runs, and basically everything
else this script is doing.
I'll also likely change the `kernel.spec` to respect this as well.
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With this change kernel-install will now first look for an existing kernel
installation in /efi, /boot and /boot/efi. If none is found, /efi is used if it
is a mount point, otherwise /boot/efi if it is one. If nothing of that worked
/boot is used without further checking.
This means /boot should be the default unless something was installed before or
something else was explicitly mounted.
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install everything in /boot/efi, if this is a mountpoint
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better use "read -r -d '' -a" to read in the array. It handles multiple
lines and missing newline at the EOF.
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A recent commit (2f3a215) changed the parsing of /proc/cmdline to use a
shell array. Unfortunately, this introduced a bug: "read -ar line"
populates the shell variable $r, not $line. This breaks installation of
new loader entries:
# kernel-install add 3.17.1-304.fc21.x86_64 \
/boot/vmlinuz-3.17.1-304.fc21.x86_64
Could not determine the kernel command line parameters.
Please specify the kernel command line in /etc/kernel/cmdline!
This commit alters the read command to correctly populate the $line
array instead.
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If /etc/kernel/cmdline is missing or empty, we read /proc/cmdline and
want to filter out the initrd line. Due to a bug, the whole contents was
filtered out.
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The file should have been in /usr/lib/ in the first place, since it
describes the OS container in /usr (and not the configuration in /etc),
hence, let's support os-release files in /usr/lib as fallback if no
version in /etc exists, following the usual override logic.
A prior commit already enabled tmpfiles to create /etc/os-release as a
symlink to /usr/lib/os-release should it be missing, thus providing nice
compatibility with applications only checking in /etc.
While it's probably a good idea if all apps check both locations via a
fallback logic, it is only necessary in the early boot process, as long
as the /etc/os-release symlink has not been restored, in case we boot
with an empty /etc.
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Kernel install doesn't need the second argument on his command line when
removing.
This is correctly documented in the man page.
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If 'kernel-install' is called as 'installkernel' it will be compatible with the
syntax used by the kernel's build system.
This means it can be called by doing 'make install' in a kernel build
directory, if the correct symlink has been installed (which we don't do by
default yet).
[Edit harald@redhat.com: removed basename and use shift]
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Force 0644 and root:root instead, to avoid problems with fat filesystems.
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Do the depmod in the kernel-install hooks, so hooks can produce/install
kernel modules and be part of the depmod.
Also move the basic boot loader entry creation and removal to a
plugin script.
If PRETTY_NAME is not defined in /etc/os-release, fallback to
PRETTY_NAME="Linux $KERNEL_VERSION".
Add documentation for everything in the man page.
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- Consistent use of $VAR vs ${VAR}
- Consistent use of && vs 'if'
- Add error checking to some places
- Consistent error messages ("Can't" vs "Cannot", etc.)
- Function declarations at the top
- Miscellaneous adjustments
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We only use the image name in the case we're adding a kernel
Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
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The wildcard matching the default loader entry should always be able to point to
the same machine.
So instead of sorting by <distribution>-<kernel-version>-<machine-id>
we better sort by <machine-id>-<kernel-version>.
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For the loader entry a relative path has to be used.
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