22 lines
725 B
Bash
22 lines
725 B
Bash
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#!/usr/bin/env bash
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# Reset the overlay dirs inside an image's rootfs so cp -a injection
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# starts from a clean slate (cp -a never deletes stale files).
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set -Eeuo pipefail
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for img in "$@"; do
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L=$(losetup --find --show --partscan "$img")
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sleep 0.3
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M=$(mktemp -d)
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mount "${L}p1" "$M"
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R=$(mktemp -d)
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mount -o loop "$M/boot/linux-rootfs.img" "$R"
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X="$R/usr/local/lib/xorg-libs"
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P="$R/usr/local/lib/plasma-libs"
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echo "$(basename "$img"): before xorg=$(ls "$X" 2>/dev/null | wc -l) plasma=$(ls "$P" 2>/dev/null | wc -l)"
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rm -rf "$X" "$P"
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mkdir -p "$X" "$P"
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sync
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echo "$(basename "$img"): reset done"
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umount "$R"; rmdir "$R"
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umount "$M"; rmdir "$M"
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losetup -d "$L"
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done
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