git ssb - nix-environment: Use netstring and execline import to eliminate the pipe and xargs

Claes Wallin (韋嘉誠) committed on 10/15/2016, 10:10:49 AM
Parent: a30d3c7d4c16b027c405969595df0d81e565b73c

changed

bin/nix-environmentView
		@@ -1,10 +1,8 @@
1	1 …	#!/usr/bin/env bash
2	2 …
3	3 …	EL_BIN=/nix/var/nix/profiles/execline/bin
4	4 …
5		-packages=()
6		-
7	5 …	while (( $# >= 1 )); do
8	6 …	if [[ $1 == "--" ]]; then
9	7 …	shift
10	8 …	break
		@@ -12,7 +10,7 @@
12	10 …	packages+=( "$1" )
13	11 …	shift
14	12 …	done
15	13 …
16		-exec 3<&0
17		-printf '%s\0' "$@" \|
18		- nix-shell -p "${packages[@]}" --run "xargs -0 bash -c 'exec <&3- \"\$@\"' nix-environment"
	14 …	+export PARAMS=$(${EL_BIN}/execlineb -c "${EL_BIN}/dollarat"' -d ""' "$@")
	15 …	+
	16 …	+exec nix-shell -p "${packages[@]}" --run "${EL_BIN}/import -s -d '' PARAMS '\$PARAMS'"

clacke / gists