From 2d841d54bf69232ffd82c3d1e6d0146a5d029b2d Mon Sep 17 00:00:00 2001
From: Vincent Batts <vbatts@hashbangbash.com>
Date: Mon, 4 Apr 2022 18:13:23 -0400
Subject: [PATCH] test: testing the double -f comparison

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
---
 test/cli/0010.sh | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/cli/0010.sh

diff --git a/test/cli/0010.sh b/test/cli/0010.sh
new file mode 100644
index 0000000..265fdc0
--- /dev/null
+++ b/test/cli/0010.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+set -e
+
+name=$(basename $0)
+root="$(dirname $(dirname $(dirname $0)))"
+gomtree=$(go run ${root}/test/realpath/main.go ${root}/gomtree)
+t=$(mktemp -d /tmp/go-mtree.XXXXXX)
+
+echo "[${name}] Running in ${t}"
+
+## testing comparing two files
+
+pushd ${root}
+mkdir -p ${t}/extract
+git archive --format=tar HEAD^{tree} . | tar -C ${t}/extract/ -x
+
+${gomtree} -K sha256digest -c -p ${t}/extract/ > ${t}/${name}-1.mtree
+rm -rf ${t}/extract/*.go
+${gomtree} -K sha256digest -c -p ${t}/extract/ > ${t}/${name}-2.mtree
+
+# this _ought_ to fail because the files are missing now
+! ${gomtree} -f ${t}/${name}-1.mtree -f ${t}/${name}-2.mtree
+
+popd
+rm -rf ${t}