From c2aea748c38c4d0649b6b00dda71523dfeca2ff0 Mon Sep 17 00:00:00 2001
From: Paul B <paul@bonaud.fr>
Date: Thu, 2 Apr 2020 10:12:12 +0200
Subject: ci: check ALL versions during tests

---
 .travis.yml       | 5 +++--
 README.md         | 2 +-
 check.sh          | 1 -
 scripts/check.nix | 4 ++++
 scripts/check.sh  | 3 +++
 5 files changed, 11 insertions(+), 4 deletions(-)
 delete mode 100755 check.sh
 create mode 100644 scripts/check.nix
 create mode 100755 scripts/check.sh

diff --git a/.travis.yml b/.travis.yml
index 8b81afc..d0550a7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,9 @@
 language: nix
 
 script:
- - nix-env -i -f default.nix -A latest
- - ./check.sh .
+  - nix-build --no-out-link scripts/check.nix
+  - nix-env -i -f default.nix -A latest
+  - ./scripts/check.sh .
 
 notifications:
   slack: fretlink:pTIylIN7zkwRFuL3aHERmsbB
diff --git a/README.md b/README.md
index 9d744f5..c4a13e7 100644
--- a/README.md
+++ b/README.md
@@ -16,4 +16,4 @@ Once you've done that, add a `mkOlderVersion` for the previous latest version. O
 
 Then, run `nix build`. It will give you the correct values for the hashes. Correct those, run it again and you'll see `result-` directories, one per version. Go ahead and make sure they all work.
 
-Finally, don't forget to update `check.sh` with the latest version number.
+Finally, don't forget to update `scripts/check.sh` with the latest version number.
diff --git a/check.sh b/check.sh
deleted file mode 100755
index 92faac7..0000000
--- a/check.sh
+++ /dev/null
@@ -1 +0,0 @@
-[ "$(clever --version)" == "1.6.3" ]
diff --git a/scripts/check.nix b/scripts/check.nix
new file mode 100644
index 0000000..1a344c6
--- /dev/null
+++ b/scripts/check.nix
@@ -0,0 +1,4 @@
+with import <nixpkgs> {};
+
+# Check all versions
+lib.collect lib.isDerivation (callPackage ../default.nix {})
diff --git a/scripts/check.sh b/scripts/check.sh
new file mode 100755
index 0000000..ffef74b
--- /dev/null
+++ b/scripts/check.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+[ "$(clever --version)" = "1.6.3" ]
-- 
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