bash prompt: don't use '+=' operator in show upstream code path
commit52ec889d1ab3405796dd4fb4c262f950927a6b71
authorSZEDER Gábor <szeder@ira.uka.de>
Tue, 15 Oct 2013 12:21:11 +0000 (15 14:21 +0200)
committerJunio C Hamano <gitster@pobox.com>
Tue, 15 Oct 2013 21:20:37 +0000 (15 14:20 -0700)
treec98c5acdd28966f23f78c853be40d89dc9ebd63d
parent02a110ad435a6ccda648f09f94e546dfd7bdd0ac
bash prompt: don't use '+=' operator in show upstream code path

The '+=' operator is not supported by old Bash versions (3.0) we still
care about.

Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
contrib/completion/git-prompt.sh