mirror of
https://github.com/kmein/niveum
synced 2026-03-16 10:11:08 +01:00
Kierán Meinhardt
e67d6d7df2
Replace all ${pkg}/bin/name patterns with:
- lib.getExe pkg (for main executables: curl, jq, gnused, ffmpeg, etc.)
- lib.getExe' pkg "name" (for specific binaries: coreutils, util-linux, etc.)
36 lines
1.2 KiB
Nix
36 lines
1.2 KiB
Nix
# Recover files from a corrupted exFAT SD card
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{
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lib,
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writers,
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exfatprogs,
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util-linux,
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coreutils,
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findutils,
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gnused,
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}:
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writers.writeDashBin "fix-sd" ''
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set -efu
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drive="''${1:?Usage: fix-sd /dev/sdX [output-dir]}"
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output_dir="''${2:-$(${lib.getExe' coreutils "mktemp"} -d "''${TMPDIR:-/tmp}/fix-sd-XXXXXX")}"
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mountpoint="$(${lib.getExe' coreutils "mktemp"} -d "''${TMPDIR:-/tmp}/fix-sd-mount-XXXXXX")"
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trap clean EXIT
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clean() {
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${lib.getExe' util-linux "umount"} "$mountpoint" 2>/dev/null || true
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${lib.getExe' coreutils "rmdir"} "$mountpoint" 2>/dev/null || true
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}
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filenames="$(${lib.getExe' exfatprogs "fsck.exfat"} "$drive" 2>&1 | ${lib.getExe gnused} -nE "s/.* file '(.*?)' is not allocated.*/\1/p")"
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${lib.getExe' coreutils "mkdir"} -p "$mountpoint" "$output_dir"
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${lib.getExe' util-linux "mount"} "$drive" "$mountpoint"
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echo "$filenames" | while read -r filename; do
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[ -n "$filename" ] || continue
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${lib.getExe' findutils "find"} "$mountpoint" -type f -name "$filename" -exec ${lib.getExe' coreutils "cp"} {} "$output_dir" \;
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done
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echo "Recovered files saved to $output_dir"
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${lib.getExe' exfatprogs "fsck.exfat"} "$drive"
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''
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