Files
grub-btrfs/grub-btrfs.service
Nathan Parsons 35703e71c1 Make 'grub-mkconfig' command name configurable (#56)
* Make 'grub-mkconfig' command name configurable

- Use 'grub-mkconfig' as the default
- Note that some systems use 'grub2-mkconfig'
- Update 10-update_grub.conf to use the configurable grub directory name
- Refactor the systemd commands for clarity and to avoid duplicate regeneration on first run

* Update check_uuid_required() to work for partial regeneration of the GRUB menu
2018-08-15 14:02:13 +02:00

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[Unit]
Description=Regenerate grub-btrfs.cfg
[Service]
Type=oneshot
# Set the possible paths for `grub-mkconfig`
Environment="PATH=/sbin:/bin:/usr/sbin:/usr/bin"
# Load environment variables from the configuration
EnvironmentFile=/etc/grub.d/41_snapshots-btrfs_config
# Regenerate just '/boot/grub/grub-btrfs.cfg' if it exists and is not empty, else regenerate the whole grub menu
ExecStart=/bin/bash -c 'if [ -s "/boot/${GRUB_BTRFS_DIRNAME:-grub}/grub-btrfs.cfg" ]; then /etc/grub.d/41_snapshots-btrfs; else ${GRUB_BTRFS_MKCONFIG:-/usr/bin/grub-mkconfig} -o /boot/${GRUB_BTRFS_DIRNAME:-grub}/grub.cfg; fi'