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-rw-r--r--t/lib-parallel-checkout.sh45
1 files changed, 45 insertions, 0 deletions
diff --git a/t/lib-parallel-checkout.sh b/t/lib-parallel-checkout.sh
new file mode 100644
index 0000000000..83b279a846
--- /dev/null
+++ b/t/lib-parallel-checkout.sh
@@ -0,0 +1,45 @@
+# Helpers for tests invoking parallel-checkout
+
+# Parallel checkout tests need full control of the number of workers
+unset GIT_TEST_CHECKOUT_WORKERS
+
+set_checkout_config () {
+ if test $# -ne 2
+ then
+ BUG "usage: set_checkout_config <workers> <threshold>"
+ fi &&
+
+ test_config_global checkout.workers $1 &&
+ test_config_global checkout.thresholdForParallelism $2
+}
+
+# Run "${@:2}" and check that $1 checkout workers were used
+test_checkout_workers () {
+ if test $# -lt 2
+ then
+ BUG "too few arguments to test_checkout_workers"
+ fi &&
+
+ local expected_workers=$1 &&
+ shift &&
+
+ local trace_file=trace-test-checkout-workers &&
+ rm -f "$trace_file" &&
+ GIT_TRACE2="$(pwd)/$trace_file" "$@" 2>&8 &&
+
+ local workers="$(grep "child_start\[..*\] git checkout--worker" "$trace_file" | wc -l)" &&
+ test $workers -eq $expected_workers &&
+ rm "$trace_file"
+} 8>&2 2>&4
+
+# Verify that both the working tree and the index were created correctly
+verify_checkout () {
+ if test $# -ne 1
+ then
+ BUG "usage: verify_checkout <repository path>"
+ fi &&
+
+ git -C "$1" diff-index --ignore-submodules=none --exit-code HEAD -- &&
+ git -C "$1" status --porcelain >"$1".status &&
+ test_must_be_empty "$1".status
+}