30 lines
1.1 KiB
Bash
30 lines
1.1 KiB
Bash
#!/usr/bin/env bash
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# Initialization supplies the real host sysfs and USB device paths.
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generate_usb() {
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local sys=$1 dev=$2 entry vendor product bus number node
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local -a nodes=()
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for entry in "$sys"/*; do
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[[ -r $entry/idVendor && -r $entry/idProduct ]] || continue
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read -r vendor < "$entry/idVendor" || continue
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read -r product < "$entry/idProduct" || continue
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[[ $vendor == 046d ]] || continue
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case $product in c222|c225|c227|c22b|c22d|c22e) ;; *) continue ;; esac
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[[ -r $entry/busnum && -r $entry/devnum ]] || continue
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read -r bus < "$entry/busnum" || continue
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read -r number < "$entry/devnum" || continue
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[[ $bus =~ ^[0-9]{1,3}$ && $number =~ ^[0-9]{1,3}$ ]] || continue
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printf -v node '%s/%03d/%03d' "$dev" "$((10#$bus))" "$((10#$number))"
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[[ -c $node ]] || continue
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nodes+=("$node")
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done
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printf 'services:\n dev:\n'
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if ((${#nodes[@]})); then
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printf ' devices:\n'
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for node in "${nodes[@]}"; do
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printf ' - "%s:%s:rw"\n' "$node" "$node"
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done
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else
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printf ' devices: []\n'
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fi
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} |