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source common.sh
BINARY_CACHE=file://$cacheDir
build() {
nix-build --no-out-link "$@" --expr 'derivation {
name = "text";
system = builtins.currentSystem;
builder = "/bin/sh";
args = [ "-c" "echo some text to make the nar less empty > $out" ];
}'
}
path=$(build)
nix copy --to "$BINARY_CACHE" "$path"
nix-collect-garbage >/dev/null 2>&1
nar=0bylmx35yjy2b1b4k7gjsl7i4vc03cpmryb41grfb1mp40n3hifl.nar.xz
[ -e $cacheDir/nar/$nar ] || fail "long nar missing?"
xzcat $cacheDir/nar/$nar > $TEST_HOME/tmp
truncate -s $(( $(stat -c %s $TEST_HOME/tmp) - 10 )) $TEST_HOME/tmp
xz < $TEST_HOME/tmp > $cacheDir/nar/$nar
# Copying back '$path' from the binary cache. This should fail as it is truncated
if build --option substituters "$BINARY_CACHE" --option require-sigs false -j0; then
fail "Importing a truncated nar should fail"
fi
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