test: safe working dir chmod

test/09-test-dirmode.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+. $(dirname "$0")/init.sh
+
+# This test script checks if walk applies correct modes to the unpacked working directory.
+
+walk_input='n\ny\n'  # don't recreate archive, but delete temp dir
+
+assertUnpackedDirmode () {
+	local inputArchiveMode="$1"
+	local expectedDirectoryMode="$2"
+
+	cp -- "$HERE/archives/test.tgz" "mode-$inputArchiveMode.tgz"
+	add_cleanup "mode-$inputArchiveMode.tgz"
+	chmod -- "$inputArchiveMode" "mode-$inputArchiveMode.tgz"
+
+	prepare_subshell <<-EOT
+		assertFileMode . "${expectedDirectoryMode#"0"}" \
+		  "Unpacked working directory had incorrect mode!  (Archive mode: $inputArchiveMode)"
+	EOT
+
+	printf "$walk_input" | "$WALK" "mode-$inputArchiveMode.tgz" >/dev/null  # !
+}
+
+
+cd_tmpdir
+
+assertUnpackedDirmode 0400 0700
+assertUnpackedDirmode 0600 0700
+assertUnpackedDirmode 0700 0700  # An executable .tgz doesn't make a lot of sense, but it shouldn't break the process either!
+assertUnpackedDirmode 0640 0750
+assertUnpackedDirmode 0644 0755
+assertUnpackedDirmode 0755 0755
+assertUnpackedDirmode 0666 0777
+
+
+success