When the shell is in "nounset" or "set -u" mode, referencing unset or
null variables results in an error. Protect $ZSH_VERSION and
$BASH_VERSION against that, and initialize $short_sha before use.
Signed-off-by: Ville Skyttä <ville.skytta@xxxxxx>
---
contrib/completion/git-prompt.sh | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index 64219e6..97eacd7 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -355,8 +355,8 @@ __git_ps1 ()
# incorrect.)
#
local ps1_expanded=yes
- [ -z "$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'*}"
--
2.5.5
--
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