nix/home/program/bash/module/Disk.nix

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{ ... }: {
text = ''
# Show only physical drives info.
function pdf() {
df --si | sed -e '1p' -e '/^\/dev\//!d'
}
# Show total size in SI.
# Current dir by default.
# Usage: tdu [DIRS]
function tdu() {
du -sh --si "''${@}"
}
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# Unlock encrypted disk file.
# Usage: unlock <FILE>
function unlock() {
_filter() {
sed -e "s/.*\ a[st]\ //" -e "s/\.$//"
}
local file="''${1}"
local name=$(parse_alnum ''${file} | _filter)
local loop=$(udisksctl loop-setup -f "''${file}" | _filter)
local unlock=$(udisksctl unlock -b "''${loop}" | _filter)
local mount=$(udisksctl mount -b "''${unlock}" | _filter)
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[ -L "./''${name}" ] || ln -s "''${mount}" "./''${name}"
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cd "''${mount}"
}
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'';
}