48 lines
1.7 KiB
Bash
Executable File
48 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env nix-shell
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#!nix-shell -I nixpkgs=flake:nixpkgs -p bkt fzf moreutils ncdu -i bash
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set -euo pipefail
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# todo's:
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# - preserve(track) selection when hitting ctrl-s
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# https://github.com/junegunn/fzf/issues/3460
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# - truncate nix store paths to fit terminal width
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# awk?
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# - prevent hitting left-arrow on an empty stack
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STATE=$(mktemp -d --suffix .nixfzf)
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function cleanup {
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rm -rf "$STATE"
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}
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trap cleanup EXIT
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if [ $# -ne 1 ]; then
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echo "Usage: dep-drill.sh /nix/store/..."
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exit 1
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fi
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# 3: sort -hk3 - sort by closure size, 2: sort -hk2 - own size
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echo 3 > "$STATE"/sort
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echo "$1" > "$STATE"/path
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export SHELL=bash
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export BKT_CACHE_DIR="$STATE/cache"
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export BKT_TTL=10m
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export FZF_DEFAULT_COMMAND='bkt -- nix path-info -rSsh $(tail -1 '"$STATE/path"') | sort -hk$(cat '"$STATE/sort"') | cut -c12-'
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fzf --no-sort \
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--layout=reverse-list \
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--bind=load:last \
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--track \
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--preview 'bkt -- nix why-depends $(tail -1 '"$STATE/path"') /nix/store/{1} --precise --all' \
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--preview-window=down,30%,border-top \
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--preview-label=why-depends \
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--info=inline \
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--nth=1 \
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--bind 'ctrl-s:execute-silent(sed -i "s/2/4/g; s/3/2/g; s/4/3/g" '"$STATE/sort"')+track+reload-sync<'"$FZF_DEFAULT_COMMAND"'>+transform-border-label(sed -n "s/2/sorted by own size/p; s/3/sorted by closure size/p" '"$STATE/sort"')' \
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--bind 'ctrl-n:execute:ncdu /nix/store/{1}' \
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--bind 'right:execute-silent(echo /nix/store/{1} >> '"$STATE/path"')+reload-sync<'"$FZF_DEFAULT_COMMAND"'>+clear-query' \
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--bind 'left:execute-silent(uniq '"$STATE/path"' | head -n-1 | sponge '"$STATE/path"')+reload-sync<'"$FZF_DEFAULT_COMMAND"'>+clear-query' \
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--border-label="sorted by closure size" \
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--border=top \
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--header="ctrl-s: toggle sort, ctrl-n: ncdu"
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