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#!/usr/bin/env bash
set -e
declare -A refreshed
while [ -n "$1" ]; do
case "$1" in
--no-new-inputs)
no_new_inputs="y"
shift;;
*)
flake_or_dir="$1"
shift;;
esac
done
refresh_deps() {
local flake
local inputs=()
local depname
local deppath
flake="$(realpath $1)"
if [ "${refreshed[$flake]}" = 1 ]; then
return
fi
pushd "$flake" 2>/dev/null >/dev/null
if [ -z "$no_new_inputs" ]; then
nix --no-warn-dirty flake lock
fi
if [ ! -e "$flake/flake.lock" ]; then
popd 2>/dev/null >/dev/null
refreshed[$flake]=1
return
fi
deps=$(jq -r '. as $root | .nodes[.root].inputs|values|to_entries|map({ key: .key, value: $root.nodes[.value].original.path })[]|select(.value != null)|.key + " " + .value' < flake.lock)
if [ -n "$deps" ]; then
while read depname deppath; do
refresh_deps "$deppath"
inputs+=(--update-input "$depname")
done <<<"$deps"
fi
nix --no-warn-dirty flake lock "${inputs[@]}"
popd 2>/dev/null >/dev/null
refreshed[$flake]=1
}
git_dir=$(git rev-parse --show-toplevel)
# If argument is given (flake.nix or directory containing), refresh that argument
# Otherwise, if we are in a subdirectory containing a flake.nix, refresh that
# Otherwise, refresh all
if [ -n "$flake_or_dir" ]; then
if [ -d "$flake_or_dir" -a -e "$1/flake.nix" ]; then
refresh_deps "$flake_or_dir"
elif [ -f "$flake_or_dir" -a -e "$(dirname $flake_or_dir)/flake.nix" ]; then
refresh_deps "$(dirname $flake_or_dir)"
else
echo "No flake.nix file in specified location"
exit 1
fi
else
if [ "$(pwd)" != "$git_dir" -a -e "$(pwd)/flake.nix" ]; then
refresh_deps "$(pwd)"
else
find $git_dir -name "flake.lock" | while read flake; do
refresh_deps "$(dirname $flake)"
done
fi
fi
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