commit 6a94088cc3d539bdc15b824befc083f7ff8d0288
author Johannes Schindelin <johannes.schindelin@gmx.de> Fri Oct 30 12:02:56 2015 -0700
committer Junio C Hamano <gitster@pobox.com> Fri Oct 30 14:02:38 2015 -0700
tree 8f0cfd83cf10d042726e0b706c5fd5636dfc6388
parent 80980a1d5c2678ab9031d7c60faf38b9631eb1ce

test: facilitate debugging Git executables in tests with gdb

When prefixing a Git call in the test suite with 'debug ', it will
now be run with GDB, allowing the developer to debug test failures
more conveniently.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

wrap-for-bin.sh

diff --git a/wrap-for-bin.sh b/wrap-for-bin.sh
index 701d233..db0ec6a 100644
--- a/wrap-for-bin.sh
+++ b/wrap-for-bin.sh
@@ -19,4 +19,10 @@
 PATH='@@BUILD_DIR@@/bin-wrappers:'"$PATH"
 export GIT_EXEC_PATH GITPERLLIB PATH GIT_TEXTDOMAINDIR
 
-exec "${GIT_EXEC_PATH}/@@PROG@@" "$@"
+if test -n "$GIT_TEST_GDB"
+then
+	unset GIT_TEST_GDB
+	exec gdb --args "${GIT_EXEC_PATH}/@@PROG@@" "$@"
+else
+	exec "${GIT_EXEC_PATH}/@@PROG@@" "$@"
+fi