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canonical / nullboot / 20937035926 / 1
70%
main: 72%

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Build:
LAST BUILD BRANCH: azure/fallback-mechanism
DEFAULT BRANCH: main
Ran 12 Jan 2026 10:22PM UTC
Files 9
Run time 0s
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12 Jan 2026 09:39PM UTC coverage: 69.697% (-2.0%) from 71.731%
20937035926.1

Pull #144

github

mikeraymond7
feat: Systemd one-shot service for Kernel fallback mechanism

Adds a systemd one-shot service to amend the bootloader on a successfully
booted, new kernel entry using the -confirm-kernel-boot option.

Should a newly installed kernel panic while booting, no changes will
occur in the boot loader.

In the event that a new kernel successfully boots, nullboot will amend
the boot loader such that BootCurrent == BootOrder[0].

However, if the current boot is not the latest kernel, nullboot will
exit with an error, but (importantly) not modify any boot variables.

In a standard reboot scenario, nullboot will run with the default
nullboot behavior, which ideally does nothing unless the user manually
modifies the EFI variables.
Pull Request #144: Nullboot fallback mechanism

874 of 1254 relevant lines covered (69.7%)

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Source Files on job ubuntu-22.04-go-1.22.x - 20937035926.1
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