Merge remote-tracking branch 'upstream/master' into single-ca-drv-build

tests/build-hook.nix

@@ -23,6 +23,7 @@ let
     shell = busybox;
     name = "build-remote-input-2";
     buildCommand = "echo BAR > $out";
+    requiredSystemFeatures = ["bar"];
   };
 
 in
@@ -34,6 +35,6 @@ in
       ''
         read x < ${input1}
         read y < ${input2}
-        echo $x$y > $out
+        echo "$x $y" > $out
       '';
   }

tests/build-remote.sh

@@ -1,31 +1,36 @@
 source common.sh
 
-clearStore
-
 if ! canUseSandbox; then exit; fi
 if ! [[ $busybox =~ busybox ]]; then exit; fi
 
-chmod -R u+w $TEST_ROOT/machine0 || true
-chmod -R u+w $TEST_ROOT/machine1 || true
-chmod -R u+w $TEST_ROOT/machine2 || true
-rm -rf $TEST_ROOT/machine0 $TEST_ROOT/machine1 $TEST_ROOT/machine2
-rm -f $TEST_ROOT/result
-
 unset NIX_STORE_DIR
 unset NIX_STATE_DIR
 
+function join_by { local d=$1; shift; echo -n "$1"; shift; printf "%s" "${@/#/$d}"; }
+
+builders=(
+  # system-features will automatically be added to the outer URL, but not inner
+  # remote-store URL.
+  "ssh://localhost?remote-store=$TEST_ROOT/machine1?system-features=foo - - 1 1 foo"
+  "$TEST_ROOT/machine2 - - 1 1 bar"
+)
+
 # Note: ssh://localhost bypasses ssh, directly invoking nix-store as a
 # child process. This allows us to test LegacySSHStore::buildDerivation().
+# ssh-ng://... likewise allows us to test RemoteStore::buildDerivation().
 nix build -L -v -f build-hook.nix -o $TEST_ROOT/result --max-jobs 0 \
   --arg busybox $busybox \
   --store $TEST_ROOT/machine0 \
-  --builders "ssh://localhost?remote-store=$TEST_ROOT/machine1; $TEST_ROOT/machine2 - - 1 1 foo" \
-  --system-features foo
+  --builders "$(join_by '; ' "${builders[@]}")"
 
 outPath=$(readlink -f $TEST_ROOT/result)
 
-cat $TEST_ROOT/machine0/$outPath | grep FOOBAR
+grep 'FOO BAR' $TEST_ROOT/machine0/$outPath
 
-# Ensure that input1 was built on store2 due to the required feature.
-(! nix path-info --store $TEST_ROOT/machine1 --all | grep builder-build-remote-input-1.sh)
-nix path-info --store $TEST_ROOT/machine2 --all | grep builder-build-remote-input-1.sh
+# Ensure that input1 was built on store1 due to the required feature.
+(! nix path-info --store $TEST_ROOT/machine2 --all | grep builder-build-remote-input-1.sh)
+nix path-info --store $TEST_ROOT/machine1 --all | grep builder-build-remote-input-1.sh
+
+# Ensure that input2 was built on store2 due to the required feature.
+(! nix path-info --store $TEST_ROOT/machine1 --all | grep builder-build-remote-input-2.sh)
+nix path-info --store $TEST_ROOT/machine2 --all | grep builder-build-remote-input-2.sh

tests/local.mk

@@ -1,5 +1,5 @@
 nix_tests = \
-  init.sh hash.sh lang.sh add.sh simple.sh dependencies.sh \
+  hash.sh lang.sh add.sh simple.sh dependencies.sh \
   config.sh \
   gc.sh \
   gc-concurrent.sh \

tests/remote-store.sh

@@ -2,6 +2,9 @@ source common.sh
 
 clearStore
 
+# Ensure "fake ssh" remote store works just as legacy fake ssh would.
+nix --store ssh-ng://localhost?remote-store=$TEST_ROOT/other-store doctor
+
 startDaemon
 
 storeCleared=1 NIX_REMOTE_=$NIX_REMOTE $SHELL ./user-envs.sh