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Improved sorting of the subvolumes list (#107)

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* Improved sorting of the subvolumes list

Add functionality to sort subvolume list by: rootid,gen,ogen,path
Default: "-rootid" means list snapshot by new ones first
See [Sorting section](https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs-subvolume#SUBCOMMAND)
This commit is contained in:
Antynea
2020-09-16 19:16:18 +02:00
committed by GitHub
parent 041a9c6606
commit 2349282df5
3 changed files with 9 additions and 12 deletions
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6
41_snapshots-btrfs
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@@ -76,11 +76,7 @@ microcode=("${GRUB_BTRFS_CUSTOM_MICROCODE[@]}")
## Limit snapshots to show in the Grub menu
limit_snap_show="${GRUB_BTRFS_LIMIT:-50}"
## How to sort snapshots list
snap_list_sort=${GRUB_BTRFS_SUBVOLUME_SORT:-"descending"}
case "${snap_list_sort}" in
ascending) btrfssubvolsort=("--sort=+rootid");;
*) btrfssubvolsort=("--sort=-rootid")
esac
btrfssubvolsort=(--sort="${GRUB_BTRFS_SUBVOLUME_SORT:-"-rootid"}")
## Show snapshots found during run "grub-mkconfig"
show_snap_found=${GRUB_BTRFS_SHOW_SNAPSHOTS_FOUND:-"true"}
## Show Total of snapshots found during run "grub-mkconfig"

8
README.md
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@@ -69,13 +69,13 @@ You have the possibility to modify many parameters in `/etc/default/grub-btrfs/c
Limit the number of snapshots populated in the GRUB menu.
* GRUB_BTRFS_SUBVOLUME_SORT="descending"
* GRUB_BTRFS_SUBVOLUME_SORT="+ogen,-gen,path,rootid"
Sort the found subvolumes by newest first ("descending") or oldest first ("ascending").
Sort the found subvolumes by "ogeneration" or "generation" or "path" or "rootid".
If "ascending" is chosen then
Default: "-rootid" means list snapshot by new ones first
the $GRUB_BTRFS_LIMIT oldest subvolumes will populate the menu.
See [Sorting section](https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs-subvolume#SUBCOMMAND)
* GRUB_BTRFS_SHOW_SNAPSHOTS_FOUND="true"

7
config
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@@ -21,9 +21,10 @@
# Default: "50"
#GRUB_BTRFS_LIMIT="50"
# Sort the found subvolumes by newest first ("descending") or oldest first ("ascending") and show $GRUB_BTRFS_LIMIT first entries.
# Default: "descending"
#GRUB_BTRFS_SUBVOLUME_SORT="descending"
# Sort the found subvolumes by "ogeneration" or "generation" or "path" or "rootid"
# Default: "-rootid"
# See Sorting section to https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs-subvolume#SUBCOMMAND
#GRUB_BTRFS_SUBVOLUME_SORT="+ogen,-gen,path,rootid"
# Show snapshots found during run "grub-mkconfig"
# Default: "true"