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[grubcfg] Update GRUB_DISTRIBUTION as needed

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- Previous fix would erase the distribution information (using an
   empty string to flag 'preserve existing GRUB_DISTRIBUTION lines'),
   but that is fragile. A distro might set that, and yet **not**
   set a GRUB_DISTRIBUTION line, in which case it would end up with
   a setup without any GRUB_DISTRIBUTION set.
 - When a GRUB_DISTRIBUTION line is found, **then** check if it should
   update the line or not. This way, we have a suitable distribution
   to write if no GRUB_DISTRIBUTION is found at all.
This commit is contained in:
Adriaan de Groot 2019-11-04 16:06:59 +01:00
parent ac3b50fabb
commit c6c861654d
1 changed files with 8 additions and 9 deletions
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17
src/modules/grubcfg/main.py
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@ -46,9 +46,12 @@ def modify_grub_default(partitions, root_mount_point, distributor):
:param partitions:
:param root_mount_point:
:param distributor: name of the distributor to fill in for
GRUB_DISTRIBUTOR. Must be a string, but if it is empty ("")
then the existing GRUB_DISTRIBUTOR lines are kept instead
of replaced by a new line.
GRUB_DISTRIBUTOR. Must be a string. If the job setting
*keepDistributor* is set, then this is only used if no
GRUB_DISTRIBUTOR is found at all (otherwise, when *keepDistributor*
is set, the GRUB_DISTRIBUTOR lines are left unchanged).
If *keepDistributor* is unset or false, then GRUB_DISTRIBUTOR
is always updated to set this value.
:return:
"""
default_dir = os.path.join(root_mount_point, "etc/default")
@ -175,7 +178,7 @@ def modify_grub_default(partitions, root_mount_point, distributor):
have_kernel_cmd = True
elif (lines[i].startswith("#GRUB_DISTRIBUTOR")
or lines[i].startswith("GRUB_DISTRIBUTOR")):
if distributor:
if libcalamares.job.configuration.get("keepDistributor", false):
lines[i] = distributor_line
have_distributor_line = True
else:
@ -240,10 +243,6 @@ def run():
root_mount_point = libcalamares.globalstorage.value("rootMountPoint")
branding = libcalamares.globalstorage.value("branding")
if libcalamares.job.configuration.get("keepDistributor", false):
distributor = ""
else:
distributor = branding["bootloaderEntryName"]
distributor = branding["bootloaderEntryName"]
return modify_grub_default(partitions, root_mount_point, distributor)