[grubcfg] snake-case one configuration key

This makes all the keys in grubcfg consistently
snake-case (rather than one being a camel).

src/modules/grubcfg/grubcfg.conf

@@ -9,7 +9,7 @@
 #
 # Calculated values are:
 #   - GRUB_DISTRIBUTOR,   branding module, *bootloaderEntryName* (this
-#     string is sanitized, and see also setting *keepDistributor*)
+#     string is sanitized, and see also setting *keep_distributor*)
 #   - GRUB_ENABLE_CRYPTODISK, based on the presence of filesystems
 #     that use LUKS
 #   - GRUB_CMDLINE_LINUX_DEFAULT, adding LUKS setup and plymouth
@@ -29,9 +29,7 @@ prefer_grub_d: false
 # kept, not updated to the *bootloaderEntryName* from the branding file.
 # Use this if the GRUB_DISTRIBUTOR setting in the file is "smart" in
 # some way (e.g. uses shell-command substitution).
-#
-# TODO:3.3:snake-case this key
-keepDistributor: false
+keep_distributor: false
 
 # The default kernel params that should always be applied.
 # This is an array of strings. If it is unset, the default is

src/modules/grubcfg/grubcfg.schema.yaml

@@ -7,8 +7,7 @@ additionalProperties: false
 type: object
 properties:
     overwrite: { type: boolean, default: false }
-    # TODO:3.3:snake-case this key
-    keepDistributor: { type: boolean, default: false }
+    keep_istributor: { type: boolean, default: false }
     prefer_grub_d: { type: boolean, default: false }
     kernel_params: { type: array, items: { type: string } }
     defaults:

src/modules/grubcfg/main.py

@@ -95,10 +95,10 @@ def modify_grub_default(partitions, root_mount_point, distributor):
     :param root_mount_point:
     :param distributor: name of the distributor to fill in for
         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*
+        *keep_distributor* is set, then this is only used if no
+        GRUB_DISTRIBUTOR is found at all (otherwise, when *keep_distributor*
         is set, the GRUB_DISTRIBUTOR lines are left unchanged).
-        If *keepDistributor* is unset or false, then GRUB_DISTRIBUTOR
+        If *keep_distributor* is unset or false, then GRUB_DISTRIBUTOR
         is always updated to set this value.
     :return:
     """
@@ -230,11 +230,11 @@ 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 libcalamares.job.configuration.get("keepDistributor", False):
+                if libcalamares.job.configuration.get("keep_distributor", False):
                     lines[i] = distributor_line
                     have_distributor_line = True
                 else:
-                    # We're not updating because of *keepDistributor*, but if
+                    # We're not updating because of *keep_distributor*, but if
                     # this was a comment line, then it's still not been set.
                     have_distributor_line = have_distributor_line or not lines[i].startswith("#")
             # If btrfs or f2fs is used, don't save default

src/modules/grubcfg/tests/2.job

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: CC0-1.0
 ---
 overwrite: true
-keepDistributor: false
+keep_distributor: false
 defaults:
     GRUB_TIMEOUT: 5
     GRUB_DEFAULT: "saved"

src/modules/grubcfg/tests/3.job

@@ -3,7 +3,7 @@
 ---
 overwrite: true
 prefer_grub_d: true  # But it doesn't exist
-keepDistributor: false
+keep_distributor: false
 defaults:
     GRUB_TIMEOUT: 5
     GRUB_DEFAULT: "saved"

src/modules/grubcfg/tests/4.job

@@ -3,7 +3,7 @@
 ---
 overwrite: true
 prefer_grub_d: true
-keepDistributor: false
+keep_distributor: false
 defaults:
     GRUB_TIMEOUT: 5
     GRUB_DEFAULT: "saved"