From f4348c0153a743044167cf738792634bf060c63a Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Date: Sat, 31 Oct 2020 17:27:50 +0100
Subject: Add a test case for tar2sqfs root becomes file & link filtering

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
---
 tests/Makemodule.am       |   1 +
 tests/tar/sqfs.sha512     |   1 +
 tests/tar2sqfs/simple.tar | Bin 0 -> 20480 bytes
 tests/test_tar_sqfs.sh.in |  15 +++++++++++++++
 4 files changed, 17 insertions(+)
 create mode 100644 tests/tar2sqfs/simple.tar

diff --git a/tests/Makemodule.am b/tests/Makemodule.am
index 8d12d40..651f61c 100644
--- a/tests/Makemodule.am
+++ b/tests/Makemodule.am
@@ -276,6 +276,7 @@ endif
 endif
 
 EXTRA_DIST += $(top_srcdir)/tests/tar $(top_srcdir)/tests/words.txt
+EXTRA_DIST += $(top_srcdir)/tests/tar2sqfs
 EXTRA_DIST += $(top_srcdir)/tests/fstree1.txt
 EXTRA_DIST += $(top_srcdir)/tests/corpus/cantrbry.tar.xz
 EXTRA_DIST += $(top_srcdir)/tests/corpus/cantrbry.sha512
diff --git a/tests/tar/sqfs.sha512 b/tests/tar/sqfs.sha512
index 79c0b94..0abbe82 100644
--- a/tests/tar/sqfs.sha512
+++ b/tests/tar/sqfs.sha512
@@ -25,3 +25,4 @@ f97561018def03e8af41c3b479925052469d4a15645886c500a60a5caa835a1ad152b4e72912df52
 273eb1af519f01f116fd0017f6016d50474fe94e596bda8f3e2467e7dd5741fb45fb7df8830d9e62112a24ce8f8a40f8afa6783459ec04f4c0004ca40a050c49  tests/tar/xattr/xattr-schily.sqfs
 273eb1af519f01f116fd0017f6016d50474fe94e596bda8f3e2467e7dd5741fb45fb7df8830d9e62112a24ce8f8a40f8afa6783459ec04f4c0004ca40a050c49  tests/tar/xattr/xattr-libarchive.sqfs
 dabba481b7e0d6888c1cb429eca304aac3c39146910ab0160179947de5ee3b68b5dcca2be3aff4536343357c6c48733f22b26cee1c2d4ff000c2edc276f2c235  tests/tar/xattr/acl.sqfs
+a050ee2a296900bcb06d9616d06b1d947d9f26f0b57d6aff318c3dc656810c919f63a24144f890a4fae60268fda19becf9021182f1c0afd8acc0874e720f720e  tests/tar2sqfs/root-becomes.sqfs
diff --git a/tests/tar2sqfs/simple.tar b/tests/tar2sqfs/simple.tar
new file mode 100644
index 0000000..ba1020b
Binary files /dev/null and b/tests/tar2sqfs/simple.tar differ
diff --git a/tests/test_tar_sqfs.sh.in b/tests/test_tar_sqfs.sh.in
index 2c8e675..c23a217 100755
--- a/tests/test_tar_sqfs.sh.in
+++ b/tests/test_tar_sqfs.sh.in
@@ -3,6 +3,7 @@
 set -e
 
 TARDIR="@abs_top_srcdir@/tests/tar"
+TARDIR2="@abs_top_srcdir@/tests/tar2sqfs"
 SHA512FILE="@abs_top_srcdir@/tests/tar/sqfs.sha512"
 TAR2SQFS="@abs_top_builddir@/tar2sqfs"
 
@@ -10,6 +11,7 @@ if [ ! -f "$TAR2SQFS" -a -f "${TAR2SQFS}.exe" ]; then
 	TAR2SQFS="${TAR2SQFS}.exe"
 fi
 
+# process tar files used for conformance tests
 for filename in $(find "$TARDIR" -name "*.tar" | grep -v ".*/file-size/.*"); do
 	dir="$(dirname $filename | sed -n -e 's;.*/tests/;tests/;p')"
 	imgname="$dir/$(basename $filename .tar).sqfs"
@@ -18,8 +20,21 @@ for filename in $(find "$TARDIR" -name "*.tar" | grep -v ".*/file-size/.*"); do
 	"$TAR2SQFS" --defaults mtime=0 -c gzip -q "$imgname" < "$filename"
 done
 
+# edge case test
+filename="$TARDIR2/simple.tar"
+dir="$(dirname $filename | sed -n -e 's;.*/tests/;tests/;p')"
+imgname="$dir/root-becomes.sqfs"
+
+mkdir -p "$dir"
+"$TAR2SQFS" --root-becomes foo --defaults mtime=0 \
+	    -c gzip -q "$imgname" < "$filename"
+
+# verify
 sha512sum -c "$SHA512FILE"
 
+# cleanup
+rm "$dir/root-becomes.sqfs"
+
 for filename in $(find "$TARDIR" -name "*.tar" | grep -v ".*/file-size/.*"); do
 	dir="$(dirname $filename | sed -n -e 's;.*/tests/;tests/;p')"
 	imgname="$dir/$(basename $filename .tar).sqfs"
-- 
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