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-rw-r--r--contrib/completion/git-prompt.sh6
1 files changed, 5 insertions, 1 deletions
diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index a81ef5a482..d6c61b2bde 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -84,6 +84,10 @@
# the colored output of "git status -sb" and are available only when
# using __git_ps1 for PROMPT_COMMAND or precmd.
+# check whether printf supports -v
+__git_printf_supports_v=
+printf -v __git_printf_supports_v -- '%s' yes >/dev/null 2>&1
+
# stores the divergence from upstream in $p
# used by GIT_PS1_SHOWUPSTREAM
__git_ps1_show_upstream ()
@@ -433,7 +437,7 @@ __git_ps1 ()
local gitstring="$c${b##refs/heads/}${f:+$z$f}$r$p"
if [ $pcmode = yes ]; then
- if [[ -n ${ZSH_VERSION-} ]]; then
+ if [ "${__git_printf_supports_v-}" != yes ]; then
gitstring=$(printf -- "$printf_format" "$gitstring")
else
printf -v gitstring -- "$printf_format" "$gitstring"