mirror of
https://github.com/Start9Labs/start-os.git
synced 2026-03-27 02:41:53 +00:00
53 lines
1.3 KiB
Bash
Executable File
53 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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if [ "$UID" -ne 0 ]; then
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>&2 echo 'Must be run as root'
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exit 1
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fi
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POSITIONAL_ARGS=()
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while [[ $# -gt 0 ]]; do
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case $1 in
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-*|--*)
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echo "Unknown option $1"
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exit 1
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;;
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*)
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POSITIONAL_ARGS+=("$1") # save positional arg
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shift # past argument
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;;
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esac
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done
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set -- "${POSITIONAL_ARGS[@]}" # restore positional parameters
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needed=$1
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if [ -z "$needed" ]; then
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>&2 echo "usage: $0 <SPACE NEEDED>"
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exit 1
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fi
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MARGIN=${MARGIN:-1073741824}
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target=$((needed + MARGIN))
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if [ -h /media/startos/config/current.rootfs ] && [ -e /media/startos/config/current.rootfs ]; then
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echo 'Pruning...'
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current="$(readlink -f /media/startos/config/current.rootfs)"
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while [[ "$(df -B1 --output=avail --sync /media/startos/images | tail -n1)" -lt "$target" ]]; do
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to_prune="$(ls -t1 /media/startos/images/*.rootfs /media/startos/images/*.squashfs 2> /dev/null | grep -v "$current" | tail -n1)"
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if [ -e "$to_prune" ]; then
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echo " Pruning $to_prune"
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rm -rf "$to_prune"
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sync
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else
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>&2 echo "Not enough space and nothing to prune!"
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exit 1
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fi
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done
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echo 'done.'
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else
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>&2 echo 'No current.rootfs, not safe to prune'
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exit 1
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fi |