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#!/bin/bash -eu
set -o pipefail
# Tests that symlink forest will replant if soong_build has changed
# Any change to the build system should trigger a rerun
source "$(dirname "$0")/lib.sh"
function test_symlink_forest_reruns {
setup
mkdir -p a
touch a/g.txt
cat > a/Android.bp <<'EOF'
filegroup {
name: "g",
srcs: ["g.txt"],
}
EOF
run_soong g
mtime=`cat out/soong/workspace/soong_build_mtime`
# rerun with no changes - ensure that it hasn't changed
run_soong g
newmtime=`cat out/soong/workspace/soong_build_mtime`
if [[ ! "$mtime" == "$mtime" ]]; then
fail "symlink forest reran when it shouldn't have"
fi
# change exit codes to force a soong_build rebuild.
sed -i 's/os.Exit(1)/os.Exit(2)/g' build/soong/bp2build/symlink_forest.go
run_soong g
newmtime=`cat out/soong/workspace/soong_build_mtime`
if [[ "$mtime" == "$newmtime" ]]; then
fail "symlink forest did not rerun when it should have"
fi
}
scan_and_run_tests
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