32 lines
1.2 KiB
Bash
32 lines
1.2 KiB
Bash
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#!/bin/bash
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# Keep existing Telegraf command paths pointing at this checkout.
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set -euo pipefail
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repo=$(cd -- "$(dirname -- "$(readlink -f -- "${BASH_SOURCE[0]}")")" && pwd -P)
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target=${1:-/etc/telegraf}
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[[ $# -le 1 ]] || { echo "Usage: $0 [telegraf-directory]" >&2; exit 2; }
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[[ -d $target && -w $target ]] || {
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echo "Directory must exist and be writable: $target (use sudo for /etc/telegraf)" >&2
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exit 1
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}
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backup=
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staging=$(mktemp -d "$target/.bcachefs-install.XXXXXXXX")
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trap 'rm -rf -- "$staging"' EXIT
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for source in "$repo"/bcachefs*.sh; do
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name=${source##*/}
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destination=$target/$name
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[[ -x $source ]] || { echo "Not executable: $source" >&2; exit 1; }
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if [[ -L $destination && $(readlink -- "$destination") == "$source" ]]; then
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continue
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fi
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[[ ! -d $destination ]] || { echo "Refusing to replace directory: $destination" >&2; exit 1; }
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if [[ -e $destination || -L $destination ]]; then
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if [[ -z $backup ]]; then
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backup=$(mktemp -d "$target/bcachefs-backup.XXXXXXXX")
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echo "Backup: $backup"
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fi
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cp -a -- "$destination" "$backup/$name"
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fi
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ln -s -- "$source" "$staging/$name"
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mv -Tf -- "$staging/$name" "$destination"
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echo "$destination -> $source"
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done
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