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-rw-r--r--contrib/completion/git-prompt.sh6
1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index 64219e631a..97eacd7832 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -355,8 +355,8 @@ __git_ps1 ()
# incorrect.)
#
local ps1_expanded=yes
- [ -z "$ZSH_VERSION" ] || [[ -o PROMPT_SUBST ]] || ps1_expanded=no
- [ -z "$BASH_VERSION" ] || shopt -q promptvars || ps1_expanded=no
+ [ -z "${ZSH_VERSION-}" ] || [[ -o PROMPT_SUBST ]] || ps1_expanded=no
+ [ -z "${BASH_VERSION-}" ] || shopt -q promptvars || ps1_expanded=no
local repo_info rev_parse_exit_code
repo_info="$(git rev-parse --git-dir --is-inside-git-dir \
@@ -368,7 +368,7 @@ __git_ps1 ()
return $exit
fi
- local short_sha
+ local short_sha=""
if [ "$rev_parse_exit_code" = "0" ]; then
short_sha="${repo_info##*$'\n'}"
repo_info="${repo_info%$'\n'*}"