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get rid of gnugrep dependency

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This commit is contained in:
Jörg Thalheim 2021-01-30 12:12:56 +01:00
parent dff7b0bfe9
commit 5dc8842dbc
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GPG key ID: B3F5D81B0C6967C4
1 changed files with 17 additions and 3 deletions
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20
direnvrc
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@ -118,6 +118,21 @@ use_flake() {
_nix_export_or_unset TEMPDIR "$old_tempdir"
}
_nix_extract_direnv() {
local found_direnv
found_direnv=0
while read -r line; do
if [[ "$found_direnv" == "1" ]]; then
echo "$line"
break
elif [[ "$line" == "_____direnv_____" ]]; then
found_direnv=1
else
echo "$line" >&2
fi
done
}
use_nix() {
local path layout_dir
path=$("${NIX_BIN_PREFIX}nix-instantiate" --find-file nixpkgs)
@ -157,13 +172,12 @@ use_nix() {
then
[[ -d "$layout_dir" ]] || mkdir -p "$layout_dir"
local dump_cmd tmp
dump_cmd="echo -n _____direnv_____; \"$direnv\" dump bash"
dump_cmd="echo _____direnv_____; \"$direnv\" dump bash"
tmp=$("${NIX_BIN_PREFIX}nix-shell" \
"${experimental_flags[@]}" \
--show-trace --pure "$@" --run "$dump_cmd")
# show original shell hook output
echo "$tmp" | grep -vP '(?<=_____direnv_____).*'
echo "$tmp" | grep -oP '(?<=_____direnv_____).*' > "$cache"
echo "$tmp" | _nix_extract_direnv >&2 > "$cache"
update_drv=1
else
log_status using cached derivation