mirror of
https://github.com/zerotier/edge.git
synced 2026-05-22 16:25:05 -07:00
Adam Ierymenko
35 lines
984 B
Bash
Executable File
35 lines
984 B
Bash
Executable File
#!/bin/sh
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# NOTE: since mdev -s only provide $MDEV, don't depend on any hotplug vars.
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current=$(readlink usbdisk)
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if [ "$current" = "$MDEV" ] && [ "$ACTION" = "remove" ]; then
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rm -f usbdisk usba1
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fi
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[ -n "$current" ] && exit
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if [ -e /sys/block/$MDEV ]; then
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SYSDEV=$(readlink -f /sys/block/$MDEV/device)
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# if /sys device path contains '/usb[0-9]' then we assume its usb
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# also, if its an usb without partitions we require FAT
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if [ "${SYSDEV##*/usb[0-9]}" != "$SYSDEV" ]; then
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# do not create link if there is not FAT
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dd if=/dev/$MDEV bs=512 count=1 2>/dev/null | strings | grep FAT >/dev/null || exit 0
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ln -sf $MDEV usbdisk
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# keep this for compat. people have it in fstab
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ln -sf $MDEV usba1
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fi
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elif [ -e /sys/block/*/$MDEV ] ; then
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PARENT=$(dirname /sys/block/*/$MDEV)
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SYSDEV=$(readlink -f $PARENT/device)
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if [ "${SYSDEV##*/usb[0-9]}" != "$SYSDEV" ]; then
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ln -sf $MDEV usbdisk
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# keep this for compat. people have it in fstab
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ln -sf $MDEV usba1
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fi
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fi
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