lib/tests/sources.sh

   1 #!/usr/bin/env bash
   2 set -euo pipefail
   3 shopt -s inherit_errexit
   4
   5 # Use
   6 #     || die
   7 die() {
   8   echo >&2 "test case failed: " "$@"
   9   exit 1
  10 }
  11
  12 if test -n "${TEST_LIB:-}"; then
  13   NIX_PATH=nixpkgs="$(dirname "$TEST_LIB")"
  14 else
  15   NIX_PATH=nixpkgs="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.."; pwd)"
  16 fi
  17 export NIX_PATH
  18
  19 work="$(mktemp -d)"
  20 clean_up() {
  21   rm -rf "$work"
  22 }
  23 trap clean_up EXIT
  24 cd "$work"
  25
  26 touch {README.md,module.o,foo.bar}
  27
  28 # nix-instantiate doesn't write out the source, only computing the hash, so
  29 # this uses the experimental nix command instead.
  30
  31 dir="$(nix eval --impure --raw --expr '(with import <nixpkgs/lib>; "${
  32   cleanSource ./.
  33 }")')"
  34 (cd "$dir"; find) | sort -f | diff -U10 - <(cat <<EOF
  35 .
  36 ./foo.bar
  37 ./README.md
  38 EOF
  39 ) || die "cleanSource 1"
  40
  41
  42 dir="$(nix eval --impure --raw --expr '(with import <nixpkgs/lib>; "${
  43   cleanSourceWith { src = '"$work"'; filter = path: type: ! hasSuffix ".bar" path; }
  44 }")')"
  45 (cd "$dir"; find) | sort -f | diff -U10 - <(cat <<EOF
  46 .
  47 ./module.o
  48 ./README.md
  49 EOF
  50 ) || die "cleanSourceWith 1"
  51
  52 dir="$(nix eval --impure --raw --expr '(with import <nixpkgs/lib>; "${
  53   cleanSourceWith { src = cleanSource '"$work"'; filter = path: type: ! hasSuffix ".bar" path; }
  54 }")')"
  55 (cd "$dir"; find) | sort -f | diff -U10 - <(cat <<EOF
  56 .
  57 ./README.md
  58 EOF
  59 ) || die "cleanSourceWith + cleanSource"
  60
  61 echo >&2 tests ok