52 lines
1.3 KiB
Bash
Executable File
52 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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set -eu -o pipefail
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if [[ ${EUID} -ne 0 ]]; then
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echo "This script should be run as root." > /dev/stderr
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exit 1
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fi
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if [[ $# -eq 0 ]]; then
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echo "No arguments supplied"
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exit 1
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fi
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if [[ "$1" == "--check" ]]; then
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echo "OK"
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exit 0
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fi
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mount_file_contents="$1"
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timeout="$2" # seconds
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# mount units must be named after the mount point directories they control
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where=$(echo "${mount_file_contents}" | grep "^Where=" | cut -d'=' -f 2)
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mount_filename=$(systemd-escape -p --suffix=mount "$where")
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mount_file="/etc/systemd/system/${mount_filename}"
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# cleanup any previous mount of same name (after midway box crash?)
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if systemctl -q is-active "${mount_filename}"; then
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echo "Previous mount active, unmounting"
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# unmounting can fail if a user is cd'ed into the directory. if we go ahead and mount anyway, systemd says "active" because it's referring to the previous mount config
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if ! systemctl stop "${mount_filename}"; then
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echo "Failed to unmount"
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exit 2
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fi
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fi
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echo "$mount_file_contents" > "${mount_file}"
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systemctl daemon-reload
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if ! timeout "${timeout}" systemctl enable --now "${mount_filename}"; then
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echo "Failed to mount"
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exit 3
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fi
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echo "Mount succeeded"
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# this has to be done post-mount because permissions come from the underlying mount file system and not the mount point
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chmod 777 "${where}"
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