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Merge pull request #5942 from NixOS/5912-quieter-nix-why-depends

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Make `nix why-depends` quieter by default
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Eelco Dolstra 2022-01-21 10:18:28 +01:00 • committed by GitHub
commit c7223db871
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6 changed files with 49 additions and 10 deletions
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2
tests/dependencies.builder0.sh
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@ -4,7 +4,7 @@
mkdir $out
echo $(cat $input1/foo)$(cat $input2/bar) > $out/foobar
ln -s $input2 $out/input-2
ln -s $input2 $out/reference-to-input-2
# Self-reference.
ln -s $out $out/self

2
tests/dependencies.nix
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@ -27,6 +27,8 @@ let {
input1 = input1 + "/.";
input2 = "${input2}/.";
input1_drv = input1;
input2_drv = input2;
input0_drv = input0;
meta.description = "Random test package";
};

4
tests/gc.sh
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@ -18,7 +18,7 @@ if nix-store --gc --print-dead | grep -E $outPath$; then false; fi
nix-store --gc --print-dead
inUse=$(readLink $outPath/input-2)
inUse=$(readLink $outPath/reference-to-input-2)
if nix-store --delete $inUse; then false; fi
test -e $inUse
@ -35,7 +35,7 @@ nix-collect-garbage
# Check that the root and its dependencies haven't been deleted.
cat $outPath/foobar
cat $outPath/input-2/bar
cat $outPath/reference-to-input-2/bar
# Check that the derivation has been GC'd.
if test -e $drvPath; then false; fi

3
tests/local.mk
View file

@ -61,7 +61,8 @@ nix_tests = \
ca/concurrent-builds.sh \
ca/nix-copy.sh \
eval-store.sh \
readfile-context.sh
readfile-context.sh \
why-depends.sh
# parallel.sh
ifeq ($(HAVE_LIBCPUID), 1)

21
tests/why-depends.sh Normal file
View file

@ -0,0 +1,21 @@
source common.sh
clearStore
cp ./dependencies.nix ./dependencies.builder0.sh ./config.nix $TEST_HOME
cd $TEST_HOME
nix-build ./dependencies.nix -A input0_drv -o dep
nix-build ./dependencies.nix -o toplevel
FAST_WHY_DEPENDS_OUTPUT=$(nix why-depends ./toplevel ./dep)
PRECISE_WHY_DEPENDS_OUTPUT=$(nix why-depends ./toplevel ./dep --precise)
# Both outputs should show that `input-2` is in the dependency chain
echo "$FAST_WHY_DEPENDS_OUTPUT" | grep -q input-2
echo "$PRECISE_WHY_DEPENDS_OUTPUT" | grep -q input-2
# But only the “precise” one should refere to `reference-to-input-2`
echo "$FAST_WHY_DEPENDS_OUTPUT" | (! grep -q reference-to-input-2)
echo "$PRECISE_WHY_DEPENDS_OUTPUT" | grep -q reference-to-input-2