Ville Skyttä <ville.sky...@iki.fi> writes:
> When the shell is in "nounset" or "set -u" mode, referencing unset or
> null variables results in an error. Protect $ZSH_VERSION and
> $BASH_VERSION against that.
>
> Signed-off-by: Ville Skyttä <ville.sky...@iki.fi>
> ---
Makes sense from a cursory look. Thanks.
> contrib/completion/git-prompt.sh | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/contrib/completion/git-prompt.sh
> b/contrib/completion/git-prompt.sh
> index 64219e6..341cf6b 100644
> --- a/contrib/completion/git-prompt.sh
> +++ b/contrib/completion/git-prompt.sh
> @@ -355,8 +355,8 @@ __git_ps1 ()
> # incorrect.)
> #
> local ps1_expanded=yes
> - [ -z "$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 \
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