25 lines
870 B
Bash
25 lines
870 B
Bash
#!/usr/bin/env bash
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#
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# Kernel pre-install hook for Void-USB
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# This script removes old kernels when disk space is low.
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#
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# Arguments: $1 package name, $2 kernel version
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PKGNAME="$1"
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VERSION="$2"
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MB_LOW=250
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MB_FREE="$(df --block-size=1M --output=avail /boot | tail -n1)"
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if [ "$MB_FREE" -lt "$MB_LOW" ]; then
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echo
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OLDEST_KERNEL="$(vkpurge list | sort | head -n1)"
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if [ -z "$OLDEST_KERNEL" ]; then
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echo -e "\033[31m================================================\n\033[33mWARNING:\033[0m Failed to find an old kernel to remove.\nThe /boot partition is running out of space.\nThis will become an issue if left unaddressed.\n\033[31m================================================\033[0m"
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else
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echo "Removing old kernel $OLDEST_KERNEL using vkpurge..."
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vkpurge rm "$OLDEST_KERNEL"
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fi
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else
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echo "Not doing anything, /boot has plenty of space."
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fi
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