merge(third_party/git): Merge squashed git subtree at v2.23.0

Merge commit '1b593e1ea4' as 'third_party/git'

third_party/git/wrap-for-bin.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# wrap-for-bin.sh: Template for git executable wrapper scripts
+# to run test suite against sandbox, but with only bindir-installed
+# executables in PATH.  The Makefile copies this into various
+# files in bin-wrappers, substituting
+# @@BUILD_DIR@@ and @@PROG@@.
+
+GIT_EXEC_PATH='@@BUILD_DIR@@'
+if test -n "$NO_SET_GIT_TEMPLATE_DIR"
+then
+	unset GIT_TEMPLATE_DIR
+else
+	GIT_TEMPLATE_DIR='@@BUILD_DIR@@/templates/blt'
+	export GIT_TEMPLATE_DIR
+fi
+GITPERLLIB='@@BUILD_DIR@@/perl/build/lib'"${GITPERLLIB:+:$GITPERLLIB}"
+GIT_TEXTDOMAINDIR='@@BUILD_DIR@@/po/build/locale'
+PATH='@@BUILD_DIR@@/bin-wrappers:'"$PATH"
+
+export GIT_EXEC_PATH GITPERLLIB PATH GIT_TEXTDOMAINDIR
+
+case "$GIT_DEBUGGER" in
+'')
+	exec "${GIT_EXEC_PATH}/@@PROG@@" "$@"
+	;;
+1)
+	unset GIT_DEBUGGER
+	exec gdb --args "${GIT_EXEC_PATH}/@@PROG@@" "$@"
+	;;
+*)
+	GIT_DEBUGGER_ARGS="$GIT_DEBUGGER"
+	unset GIT_DEBUGGER
+	exec ${GIT_DEBUGGER_ARGS} "${GIT_EXEC_PATH}/@@PROG@@" "$@"
+	;;
+esac