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completion: fix prompt with unset SHOWCONFLICTSTATE in nounset mode

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`GIT_PS1_SHOWCONFLICTSTATE` is a user variable that might not be set,
causing errors when the shell is in `nounset` mode.

Take into account on access by falling back to an empty string.

Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ville Skyttä
2024-04-01 11:30:33 +00:00
committed by Junio C Hamano
parent 3c2a3fdc38
commit 758b4e1373
1 changed files with 1 additions and 1 deletions
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2
contrib/completion/git-prompt.sh
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@ -528,7 +528,7 @@ __git_ps1 ()
fi
local conflict="" # state indicator for unresolved conflicts
if [[ "${GIT_PS1_SHOWCONFLICTSTATE}" == "yes" ]] &&
if [[ "${GIT_PS1_SHOWCONFLICTSTATE-}" == "yes" ]] &&
[[ $(git ls-files --unmerged 2>/dev/null) ]]; then
conflict="|CONFLICT"
fi