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nixos/systemd-boot: update bootloader if needed

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This commit is contained in:
Daniel Fullmer 2020-06-14 13:16:30 -04:00
parent d6d07f262b
commit 7e3519a7cf
1 changed files with 16 additions and 0 deletions
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16
nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py
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@ -197,6 +197,22 @@ def main():
subprocess.check_call(["@systemd@/bin/bootctl", "--path=@efiSysMountPoint@", "install"])
else:
subprocess.check_call(["@systemd@/bin/bootctl", "--path=@efiSysMountPoint@", "--no-variables", "install"])
else:
# Update bootloader to latest if needed
systemd_version = subprocess.check_output(["@systemd@/bin/bootctl", "--version"], universal_newlines=True).split()[1]
sdboot_status = subprocess.check_output(["@systemd@/bin/bootctl", "--path=@efiSysMountPoint@", "status"], universal_newlines=True)
# See status_binaries() in systemd bootctl.c for code which generates this
m = re.search("^\W+File:.*/EFI/(BOOT|systemd)/.*\.efi \(systemd-boot (\d+)\)$",
sdboot_status, re.IGNORECASE | re.MULTILINE)
if m is None:
print("could not find any previously installed systemd-boot")
else:
sdboot_version = m.group(2)
if systemd_version > sdboot_version:
print("updating systemd-boot from %s to %s" % (sdboot_version, systemd_version))
subprocess.check_call(["@systemd@/bin/bootctl", "--path=@efiSysMountPoint@", "update"])
mkdir_p("@efiSysMountPoint@/efi/nixos")
mkdir_p("@efiSysMountPoint@/loader/entries")