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Add systemd.path as option to monitor for new Snapshots (#53)

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* Use systemd.path to regenerate grub-btrfs.cfg

* Added option GRUB_BTRFS_DIRNAME

* Updated README
This commit is contained in:
Crafter6432
2018-06-30 14:46:30 +02:00
committed by Antynea
parent 9b73e0ac62
commit 13a7186aaf
5 changed files with 34 additions and 7 deletions
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41_snapshots-btrfs
+9 -7
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@@ -20,7 +20,7 @@
# - Refer 41_snapshots-btrfs_config for the list of available options and their default values.
# - Place your configurations to either /etc/grub.d/41_snapshots-btrfs_config or /etc/default/grub.
#
# - Generate grub.cfg (on Arch Linux use grub-mkconfig -o /boot/grub/grub.cfg)
# - Generate grub.cfg (on Arch Linux use grub-mkconfig -o /boot/$grub_directory/grub.cfg)
#
# - grub-btrfs automatically generates snapshots entries.
# - You will see it appear different entries (e.g : Snapshot: [2014-02-12 11:24:37] my snapshot name overkill)
@@ -86,6 +86,8 @@ ignore_specific_path=("${GRUB_BTRFS_IGNORE_SPECIFIC_PATH[@]}")
## snapper's config name
snapper_config=${GRUB_BTRFS_SNAPPER_CONFIG:-"root"}
grub_directory=${GRUB_BTRFS_DIRNAME:-"grub"}
########################
### variables script ###
########################
@@ -147,10 +149,10 @@ test_btrfs()
## Create entry
entry() {
echo "$@" >> "/boot/grub/grub-btrfs.cfg"
echo "$@" >> "/boot/$grub_directory/grub-btrfs.cfg"
# local arg="$@"
# echo "${arg}" >> "/boot/grub/grub-btrfs.cfg"
# cat << EOF >> "/boot/grub/grub-btrfs.cfg"
# echo "${arg}" >> "/boot/$grub_directory/grub-btrfs.cfg"
# cat << EOF >> "/boot/$grub_directory/grub-btrfs.cfg"
# ${arg}
# EOF
}
@@ -492,8 +494,8 @@ printf "###### - Grub-btrfs: Snapshot detection started - ######\n" >&2 ;
# if btrfs prog isn't installed, exit
test_btrfs
# Delete existing config
#rm -f --preserve-root "/boot/grub/grub-btrfs.cfg"
> "/boot/grub/grub-btrfs.cfg"
#rm -f --preserve-root "/boot/$grub_directory/grub-btrfs.cfg"
> "/boot/$grub_directory/grub-btrfs.cfg"
# Create mount point then mounting
[[ ! -d $gbgmp ]] && mkdir -p $gbgmp
mount -o subvolid=5 /dev/disk/by-uuid/$root_uuid $gbgmp/
@@ -524,7 +526,7 @@ fi
if [[ "${count_limit_snap}" = "0" || -z "${count_limit_snap}" ]]; then
print_error "No snapshots found."
fi
root_grub="$(make_system_path_relative_to_its_root /boot/grub)"
root_grub="$(make_system_path_relative_to_its_root /boot/$grub_directory)"
# Make a submenu in GRUB (grub.cfg)
cat << EOF
submenu '${submenuname}' {