btrfs-progs: tests: add test console

Add a wrapper that sets up environment the same way a test would use it.
Use it for quick prototyping or testing, the commands and output is
logged.

Signed-off-by: David Sterba <dsterba@suse.com>

.gitignore

@@ -43,6 +43,7 @@ library-test
 library-test-static
 
 /tests/*-tests-results.txt
+/tests/test-console.txt
 /tests/test.img
 
 aclocal.m4

tests/test-console.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+# a shell with test environment set up, logged commands and output
+
+LANG=C
+SCRIPT_DIR=$(dirname $(readlink -f $0))
+TOP=$(readlink -f $SCRIPT_DIR/../)
+TEST_DEV=${TEST_DEV:-}
+RESULTS="$TOP/tests/test-console.txt"
+IMAGE="$TOP/tests/test.img"
+
+source common
+source common.convert
+
+setup_root_helper
+
+echo "Eval loop in test environment (log: $RESULTS)"
+echo -e " ---------------------\nStarting session, `date`" >> "$RESULTS"
+echo -n "`pwd`> "
+while read x; do
+	echo "COMMAND: $x" >> "$RESULTS"
+	{ eval $x; } 2>&1 | tee -a "$RESULTS"
+	echo -n "`pwd`> "
+done