clang

unvendor

06/helpers/cheat

@@ -0,0 +1,49 @@
+#!/bin/sh
+set -ue
+
+NIXPKGS=nixpkgs/21f524672f25f8c3e7a0b5775e6505fee8fe43ce
+: ${DESTDIR:=stage}
+
+mkdir -p $DESTDIR/cheat
+
+if [ ! -e $DESTDIR/cheat/make ]; then
+	nix build "$NIXPKGS#pkgsStatic.gnumake"
+	cp result/bin/make $DESTDIR/cheat/make
+	rm result
+fi
+
+if [ ! -e $DESTDIR/cheat/bash ]; then
+	nix build "$NIXPKGS#pkgsStatic.bash"
+	cp result/bin/bash $DESTDIR/cheat/bash
+	rm result
+fi
+
+if [ ! -e $DESTDIR/cheat/strace ]; then
+	nix build "$NIXPKGS#pkgsStatic.strace"
+	cp result/bin/strace $DESTDIR/cheat/
+	rm result
+fi
+
+if [ ! -e $DESTDIR/cheat/busybox ]; then
+	nix build "$NIXPKGS#pkgsStatic.busybox"
+	cp result/bin/busybox $DESTDIR/cheat/busybox
+	for f in $(ls result/bin/); do
+		[ $(basename $f) = busybox ] ||
+			ln -s /cheat/busybox $DESTDIR/cheat/$(basename $f)
+	done
+	rm result
+fi
+
+if [ -z "$@" ]; then
+	_PATH=''
+	for bindir in $DESTDIR/store/*/bin $DESTDIR/store/*/*/bin; do
+		_PATH="${bindir##$DESTDIR}:$_PATH"
+	done
+	LIBC=$(find $DESTDIR/store/*/lib/libc.so | tail -n1)
+	if [ -n "$LIBC" ] && [ ! -h $DESTDIR/cheat/ldd ]; then
+		ln -s "${LIBC##$DESTDIR}" $DESTDIR/cheat/ldd
+	fi
+	helpers/chroot /cheat/env "PATH=$_PATH" /cheat/ash
+else
+	helpers/chroot "$@"
+fi