12 lines
725 B
SYSTEMD
12 lines
725 B
SYSTEMD
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[Unit]
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Description=Regenerate grub-btrfs.cfg
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[Service]
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Type=oneshot
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# Set the possible paths for `grub-mkconfig`
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Environment="PATH=/sbin:/bin:/usr/sbin:/usr/bin"
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# Load environment variables from the configuration
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EnvironmentFile=/etc/default/grub-btrfs/config
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# If we aren't booted off a snapshot, regenerate just '/boot/grub/grub-btrfs.cfg' if it exists and is not empty, else regenerate the whole grub menu
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ExecStart=bash -c 'if [[ -z $(/usr/bin/findmnt -n / | /usr/bin/grep --fixed-strings ".snapshots") ]]; then if [ -s "${GRUB_BTRFS_GRUB_DIRNAME:-/boot/grub}/grub-btrfs.cfg" ]; then /etc/grub.d/41_snapshots-btrfs; else ${GRUB_BTRFS_MKCONFIG:-grub-mkconfig} -o ${GRUB_BTRFS_GRUB_DIRNAME:-/boot/grub}/grub.cfg; fi; fi'
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