From f46adb783c939c61a087cdfd8af964f4ad6f9816 Mon Sep 17 00:00:00 2001
From: regnat <rg@regnat.ovh>
Date: Tue, 11 May 2021 10:52:17 +0200
Subject: [PATCH] Add a test for `nix run` with CA derivations

---
 .gitignore                     |  1 +
 tests/ca/config.nix.in         |  1 +
 tests/ca/content-addressed.nix | 34 ++++++++++++++++++++--------------
 tests/ca/flake.nix             |  3 +++
 tests/ca/nix-run.sh            |  9 +++++++++
 tests/local.mk                 |  5 +++--
 6 files changed, 37 insertions(+), 16 deletions(-)
 create mode 120000 tests/ca/config.nix.in
 create mode 100644 tests/ca/flake.nix
 create mode 100755 tests/ca/nix-run.sh

diff --git a/.gitignore b/.gitignore
index 37aada307..2e14561fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -82,6 +82,7 @@ perl/Makefile.config
 /tests/shell
 /tests/shell.drv
 /tests/config.nix
+/tests/ca/config.nix
 
 # /tests/lang/
 /tests/lang/*.out
diff --git a/tests/ca/config.nix.in b/tests/ca/config.nix.in
new file mode 120000
index 000000000..af24ddb30
--- /dev/null
+++ b/tests/ca/config.nix.in
@@ -0,0 +1 @@
+../config.nix.in
\ No newline at end of file
diff --git a/tests/ca/content-addressed.nix b/tests/ca/content-addressed.nix
index e5b1c4de3..d328fc92c 100644
--- a/tests/ca/content-addressed.nix
+++ b/tests/ca/content-addressed.nix
@@ -1,4 +1,11 @@
-with import ../config.nix;
+with import ./config.nix;
+
+let mkCADerivation = args: mkDerivation ({
+    __contentAddressed = true;
+    outputHashMode = "recursive";
+    outputHashAlgo = "sha256";
+} // args);
+in
 
 { seed ? 0 }:
 # A simple content-addressed derivation.
@@ -14,7 +21,7 @@ rec {
       echo "Hello World" > $out/hello
     '';
   };
-  rootCA = mkDerivation {
+  rootCA = mkCADerivation {
     name = "rootCA";
     outputs = [ "out" "dev" "foo"];
     buildCommand = ''
@@ -27,11 +34,8 @@ rec {
       ln -s $out $dev
       ln -s $out $foo
     '';
-    __contentAddressed = true;
-    outputHashMode = "recursive";
-    outputHashAlgo = "sha256";
   };
-  dependentCA = mkDerivation {
+  dependentCA = mkCADerivation {
     name = "dependent";
     buildCommand = ''
       echo "building a dependent derivation"
@@ -39,20 +43,14 @@ rec {
       cat ${rootCA}/self/dep
       echo ${rootCA}/self/dep > $out/dep
     '';
-    __contentAddressed = true;
-    outputHashMode = "recursive";
-    outputHashAlgo = "sha256";
   };
-  transitivelyDependentCA = mkDerivation {
+  transitivelyDependentCA = mkCADerivation {
     name = "transitively-dependent";
     buildCommand = ''
       echo "building transitively-dependent"
       cat ${dependentCA}/dep
       echo ${dependentCA} > $out
     '';
-    __contentAddressed = true;
-    outputHashMode = "recursive";
-    outputHashAlgo = "sha256";
   };
   dependentNonCA = mkDerivation {
     name = "dependent-non-ca";
@@ -72,6 +70,14 @@ rec {
       cat ${dependentCA}/dep
       echo foo > $out
     '';
-
+  };
+  runnable = mkCADerivation rec {
+    name = "runnable-thing";
+    buildCommand = ''
+      mkdir -p $out/bin
+      echo ${rootCA} # Just to make it depend on it
+      echo "" > $out/bin/${name}
+      chmod +x $out/bin/${name}
+    '';
   };
 }
diff --git a/tests/ca/flake.nix b/tests/ca/flake.nix
new file mode 100644
index 000000000..332c92a67
--- /dev/null
+++ b/tests/ca/flake.nix
@@ -0,0 +1,3 @@
+{
+  outputs = { self }: import ./content-addressed.nix {};
+}
diff --git a/tests/ca/nix-run.sh b/tests/ca/nix-run.sh
new file mode 100755
index 000000000..81402af10
--- /dev/null
+++ b/tests/ca/nix-run.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+source common.sh
+
+sed -i 's/experimental-features .*/& ca-derivations ca-references nix-command flakes/' "$NIX_CONF_DIR"/nix.conf
+
+FLAKE_PATH=path:$PWD
+
+nix run --no-write-lock-file $FLAKE_PATH#runnable
diff --git a/tests/local.mk b/tests/local.mk
index e2c94dde6..542be6b7e 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -46,6 +46,7 @@ nix_tests = \
   ca/build.sh \
   ca/substitute.sh \
   ca/signatures.sh \
+  ca/nix-run.sh \
   ca/nix-copy.sh
   # parallel.sh
 
@@ -53,6 +54,6 @@ install-tests += $(foreach x, $(nix_tests), tests/$(x))
 
 tests-environment = NIX_REMOTE= $(bash) -e
 
-clean-files += $(d)/common.sh $(d)/config.nix
+clean-files += $(d)/common.sh $(d)/config.nix $(d)/ca/config.nix
 
-test-deps += tests/common.sh tests/config.nix tests/plugins/libplugintest.$(SO_EXT)
+test-deps += tests/common.sh tests/config.nix tests/ca/config.nix tests/plugins/libplugintest.$(SO_EXT)