Add a more interesting test

In this one, we don't just output an existing derivation as is, but
modify it first.
This commit is contained in:
John Ericson 2023-04-19 20:36:33 -04:00
parent f3a31b14db
commit e26662709e
4 changed files with 62 additions and 3 deletions

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@ -0,0 +1,33 @@
with import ./config.nix;
let innerName = "foo"; in
mkDerivation rec {
name = "${innerName}.drv";
SHELL = shell;
requiredSystemFeatures = [ "recursive-nix" ];
drv = builtins.unsafeDiscardOutputDependency (import ./text-hashed-output.nix).root.drvPath;
buildCommand = ''
export NIX_CONFIG='experimental-features = nix-command ca-derivations'
PATH=${builtins.getEnv "EXTRA_PATH"}:$PATH
# JSON of pre-existing drv
nix derivation show $drv | jq .[] > drv0.json
# Fix name
jq < drv0.json '.name = "${innerName}"' > drv1.json
# Extend `buildCommand`
jq < drv1.json '.env.buildCommand += "echo \"I am alive!\" >> $out/hello\n"' > drv0.json
# Used as our output
cp $(nix derivation add < drv0.json) $out
'';
__contentAddressed = true;
outputHashMode = "text";
outputHashAlgo = "sha256";
}

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@ -0,0 +1,25 @@
source common.sh
# FIXME
if [[ $(uname) != Linux ]]; then skipTest "Not running Linux"; fi
enableFeatures 'recursive-nix'
restartDaemon
clearStore
rm -f $TEST_ROOT/result
EXTRA_PATH=$(dirname $(type -p nix)):$(dirname $(type -p jq))
export EXTRA_PATH
# Will produce a drv
metaDrv=$(nix-instantiate ./recursive-mod-json.nix)
# computed "dynamic" derivation
drv=$(nix-store -r $metaDrv)
# build that dyn drv
res=$(nix-store -r $drv)
grep 'I am alive!' $res/hello

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@ -111,6 +111,7 @@ nix_tests = \
import-derivation.sh \ import-derivation.sh \
ca/import-derivation.sh \ ca/import-derivation.sh \
dyn-drv/text-hashed-output.sh \ dyn-drv/text-hashed-output.sh \
dyn-drv/recursive-mod-json.sh \
nix_path.sh \ nix_path.sh \
case-hack.sh \ case-hack.sh \
placeholders.sh \ placeholders.sh \

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@ -1,11 +1,11 @@
source common.sh source common.sh
sed -i 's/experimental-features .*/& recursive-nix/' "$NIX_CONF_DIR"/nix.conf
restartDaemon
# FIXME # FIXME
if [[ $(uname) != Linux ]]; then skipTest "Not running Linux"; fi if [[ $(uname) != Linux ]]; then skipTest "Not running Linux"; fi
enableFeatures 'recursive-nix'
restartDaemon
clearStore clearStore
rm -f $TEST_ROOT/result rm -f $TEST_ROOT/result