mirror of
https://github.com/rootzoll/raspiblitz.git
synced 2025-02-25 15:10:38 +01:00
53 lines
1.3 KiB
Bash
53 lines
1.3 KiB
Bash
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#!/usr/bin/env bash
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# command info
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if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] || [ "$1" = "-help" ]; then
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echo "RaspiBlitz Cache RAM disk"
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echo "blitz.cache.sh [on|off]"
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exit 1
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fi
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###################
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# SWITCH ON
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###################
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if [ "$1" = "1" ] || [ "$1" = "on" ]; then
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echo "Turn ON: Cache"
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if ! grep -Eq '^tmpfs.*/var/cache/raspiblitz' /etc/fstab; then
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if grep -Eq '/var/cache/raspiblitz' /etc/fstab; then
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# entry is in file but most likely just disabled -> re-enable it
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sudo sed -i -E 's|^#(tmpfs.*/var/cache/raspiblitz.*)$|\1|g' /etc/fstab
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else
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# missing -> add
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echo "" | sudo tee -a /etc/fstab >/dev/null
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echo "tmpfs /var/cache/raspiblitz tmpfs nodev,nosuid,size=4M 0 0" | sudo tee -a /etc/fstab >/dev/null
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fi
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fi
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if ! findmnt -l /var/cache/raspiblitz >/dev/null; then
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sudo mkdir -p /var/cache/raspiblitz
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sudo mount /var/cache/raspiblitz
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fi
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###################
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# SWITCH OFF
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###################
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elif [ "$1" = "0" ] || [ "$1" = "off" ]; then
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echo "Turn OFF: Cache"
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if grep -Eq '/var/cache/raspiblitz' /etc/fstab; then
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sudo sed -i -E 's|^(tmpfs.*/var/cache/raspiblitz.*)$|#\1|g' /etc/fstab
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fi
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if findmnt -l /var/cache/raspiblitz >/dev/null; then
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sudo umount /var/cache/raspiblitz
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fi
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else
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echo "# FAIL: parameter not known - run with -h for help"
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fi
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