[PATCH 1/2] git-prompt.sh: Don't error on null ${ZSH,BASH}_VERSION, $short_sha
From: Ville Skyttä <hidden>
Date: 2016-06-16 02:19:45
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 $short_sha before use. Signed-off-by: Ville Skyttä <redacted> --- contrib/completion/git-prompt.sh | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index 64219e6..97eacd7 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh@@ -355,8 +355,8 @@ __git_ps1 () # incorrect.) # local ps1_expanded=yes - [ -z "$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