From 59e072871410ba88694cf2597079a9f0f115e458 Mon Sep 17 00:00:00 2001
From: John Ericson <John.Ericson@Obsidian.Systems>
Date: Fri, 17 Feb 2023 18:37:35 -0500
Subject: Create `nix derivation add` command

Also refine `nix derivation show`'s docs very slightly.
---
 tests/ca/derivation-json.sh | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 tests/ca/derivation-json.sh

(limited to 'tests/ca/derivation-json.sh')

diff --git a/tests/ca/derivation-json.sh b/tests/ca/derivation-json.sh
new file mode 100644
index 000000000..3615177e9
--- /dev/null
+++ b/tests/ca/derivation-json.sh
@@ -0,0 +1,26 @@
+source common.sh
+
+export NIX_TESTS_CA_BY_DEFAULT=1
+
+drvPath=$(nix-instantiate ../simple.nix)
+
+nix derivation show $drvPath | jq .[] > $TEST_HOME/simple.json
+
+drvPath2=$(nix derivation add < $TEST_HOME/simple.json)
+
+[[ "$drvPath" = "$drvPath2" ]]
+
+# Content-addressed derivations can be renamed.
+jq '.name = "foo"' < $TEST_HOME/simple.json > $TEST_HOME/foo.json
+drvPath3=$(nix derivation add --dry-run < $TEST_HOME/foo.json)
+# With --dry-run nothing is actually written
+[[ ! -e "$drvPath3" ]]
+
+# Without --dry-run it is actually written
+drvPath4=$(nix derivation add < $TEST_HOME/foo.json)
+[[ "$drvPath4" = "$drvPath3" ]]
+[[ -e "$drvPath3" ]]
+
+# The modified derivation read back as JSON matches
+nix derivation show $drvPath3 | jq .[] > $TEST_HOME/foo-read.json
+diff $TEST_HOME/foo.json $TEST_HOME/foo-read.json
-- 
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