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-rw-r--r--tests/gc-auto.sh59
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/gc-auto.sh b/tests/gc-auto.sh
new file mode 100644
index 000000000..1e91282d0
--- /dev/null
+++ b/tests/gc-auto.sh
@@ -0,0 +1,59 @@
+source common.sh
+
+clearStore
+
+garbage1=$(nix add-to-store --name garbage1 ./tarball.sh)
+garbage2=$(nix add-to-store --name garbage2 ./tarball.sh)
+garbage3=$(nix add-to-store --name garbage3 ./tarball.sh)
+
+fake_free=$TEST_ROOT/fake-free
+export _NIX_TEST_FREE_SPACE_FILE=$fake_free
+echo 1100 > $fake_free
+
+expr=$(cat <<EOF
+with import ./config.nix; mkDerivation {
+ name = "gc-A";
+ buildCommand = ''
+ [[ \$(ls \$NIX_STORE/*-garbage? | wc -l) = 3 ]]
+ mkdir \$out
+ echo foo > \$out/bar
+ echo 1...
+ sleep 2
+ echo 100 > $fake_free
+ echo 2...
+ sleep 2
+ echo 3...
+ [[ \$(ls \$NIX_STORE/*-garbage? | wc -l) = 1 ]]
+ '';
+}
+EOF
+)
+
+nix build -o $TEST_ROOT/result-A -L "($expr)" \
+ --min-free 1000 --max-free 2000 --min-free-check-interval 1 &
+pid=$!
+
+expr2=$(cat <<EOF
+with import ./config.nix; mkDerivation {
+ name = "gc-B";
+ buildCommand = ''
+ mkdir \$out
+ echo foo > \$out/bar
+ echo 1...
+ sleep 2
+ echo 100 > $fake_free
+ echo 2...
+ sleep 2
+ echo 3...
+ '';
+}
+EOF
+)
+
+nix build -o $TEST_ROOT/result-B -L "($expr2)" \
+ --min-free 1000 --max-free 2000 --min-free-check-interval 1
+
+wait "$pid"
+
+[[ foo = $(cat $TEST_ROOT/result-A/bar) ]]
+[[ foo = $(cat $TEST_ROOT/result-B/bar) ]]